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Patient Dishonesty Leads to Unfounded Malpractice Claim

Case Study

Rawle & Henderson LLP, Marc R. Leffler, Esq., Partner, William S. Spiegel, Esq., Partner
January 16, 2025

Reading time: 10 minutes

In order to prove a case in dental malpractice, a plaintiff must demonstrate that there was negligence on the part of the dentist which directly caused, or was at least a substantial factor in causing, an injury or injuries. If any of those components is missing, the claim cannot stand; in other words, if there is no improper treatment, or if there are no demonstrable injuries, or if there is no connection between the treatment and the injuries, the dentist will be successful in defense.

Facts

A 45-year-old woman had been having pain associated with her lower right third molar (#32) for nearly a week; she had previously experienced the same problem over the years, but the pain resolved after a few days after an uptick in her oral hygiene. But this time was different. So, she went to her dentist, Dr. A, to complain, leading to a panoramic radiograph which showed the tooth to be partially impacted with a distal bony defect present on tooth #31, which was confirmed on clinical examination. Dr. A believed that extraction was the best treatment, given the history and the patient’s age; the patient was so uncomfortable that she was happy to hear that proposed solution.

Dr. A had spent several years working in hospitals, so he was well experienced with extractions of this type, and extractions became a regular part of his private practice. What was clear radiographically was the proximity of the root apices to the inferior alveolar canal, so the dentist carefully explained the potential for temporary, or even permanent, loss or alteration of feeling to the areas innervated by the inferior alveolar nerve. The patient was then presented with a detailed informed consent form, which she signed and dated before any aspect of treatment began. Later on, the patient acknowledged having been fully advised of all risks associated with the procedure, as well as viable options, so her initial case claim of lack of informed consent was dismissed by the court early on.

Under local anesthesia, tooth #32 was surgically extracted, seemingly without complication. During the 20-minute procedure, a bite block was placed on the contralateral occlusal surfaces to keep the masticatory muscles comfortable and to reduce the chance of TMJ injury. A silk suture was placed, post-extraction instructions were provided (including that she should refrain from smoking), and a prescription for analgesics was given.

On the second post-operative day, the patient experienced an increase in pain, so she called the dentist’s office; she was asked to come in to be checked, and she did so that afternoon. When Dr. A checked the area, he found a dry socket. So, he asked the patient whether she had been smoking, and she admitted to having done so. The dentist gently debrided the socket, packed the area with dry socket dressing, reiterated the warning against smoking, and told the patient that she should return for dressing changes at least every other day. The patient made no other complaints related to her mouth at that visit.

The patient returned quite often for dressing changes, still making no other complaints; her suture was removed one week after the extraction. During the first month, she presented to the office 12 times for dressing changes. At one of those visits, the dentist took an x-ray, which showed a clean site. At 35 days following the extraction, the patient complained, for the first time, that her lower right lip and chin were numb; she stated that the numbness had been that way since the day of extraction. When asked why she had not said anything about that before, she responded that the pain from the dry socket had been so bad that she simply complained of the most significant thing. Dr. A gently used a sharp explorer to try to determine whether there was any painful response, but the patient stated that she felt nothing on her lower right lip and chin areas when poked with the explorer. The dentist wanted to follow that situation, so he had the patient return for continuing dry socket dressing changes, and after that resolved, once a month. He told the patient that, if she did not have a return of feeling by 6 months after the extraction, she would be referred to an oral surgeon.

At nearly 3 months post-op, she made a new complaint: she was experiencing left side TMJ pain (which she attributed to the bite block used at surgery) which was ongoing since the time of the extraction, and which was making it difficult for her to chew. The dentist thought that it was best that she be sent to an oral surgeon at this point, to address the complaints of both numbness and joint pain. The patient became upset that she was being referred elsewhere, asking why Dr. A would do surgery if he was not able to handle post-surgery problems on his own. The dentist explained that he felt comfortable managing post-surgery problems, but when two arose at once, it would be better to have a specialist involved.

The patient never returned to Dr. A, and she ignored voicemails from his office asking whether she had gone to see an oral surgeon.

Legal Stance

The patient became a plaintiff when the attorney she retained filed a dental malpractice action on her behalf: the suit alleged an improperly performed extraction during which the inferior alveolar nerve was not protected, improper use of a bite block, and the failure to obtain informed consent. These issues of malpractice were claimed to have caused permanent injury to the right inferior alveolar nerve (IAN) and damage to the left TMJ complex. (As is noted above, the informed consent claim dropped out of the case.)

Issues Raised

As we commonly see in cases claiming paresthesia due to extractions, the method of extraction is of paramount importance because a properly performed extraction which led to nerve injury is normally not an adequate foundation for a successful dental malpractice case. A less common claim was raised here, that being that it was improper to place a bite block during the extraction, so as to cause a joint injury.

Discovery

In the state where this suit was brought, there is broad discovery permitted by the courts, meaning that attorneys for both the plaintiff and the defendant dentist are allowed to delve into any issue(s) that might at least reasonably lead to relevant evidence. What this practically results in are the (1) depositions of the plaintiff and defendant, as well as of key non-expert witnesses who can likely shed light on important issues of the case; (2) a physical examination of the plaintiff by a doctor of defense counsel’s choosing, which is limited to the damages claims; and (3) access to a generally wide array of the plaintiff’s dental and medical records, so long as defense counsel can demonstrate to the court that the records sought are not merely for a fishing expedition, but rather for an exploration of what the plaintiff might have reported — or not reported — to her seemingly unrelated medical providers.

Here, the plaintiff’s deposition was not overly helpful in areas beyond the usual inquiry into the plaintiff’s background and her version of the treatment timeline, including interactions with the defendant and others.

However, we had an oral surgeon who was familiar with issues relating to the TMJ and to nerve injuries examine the plaintiff. When challenged with various stimuli to the areas innervated by the IAN, she claimed that she could not feel the right side, but she could feel the left side; of course, this is subjective, so patient truthfulness is an important component of this type of examination (which is why we sometimes forego such examinations in claimed nerve injury cases, based upon how we view the plaintiff’s veracity). Regarding the claim of left-sided TMJ pain, she told our examining oral surgeon, and acted as such when asked to perform opening and lateral movements, that she could only open vertically to 25 mm when asked how wide she could open, but when the oral surgeon asked her (off-the-cuff, so to speak) to open so that he could view the back of the extraction site with a mouth mirror, she opened 45 mm without even a hint of discomfort. More importantly, regarding the left-sided TMJ pain, she claimed to be unable to move laterally, at all, to the left, but freely moved toward the right without any restriction. The written report of this examination was shared with counsel for the plaintiff, as is required.

What the plaintiff did not know is that, due to the functions and pulls of the lateral pterygoid muscles, patients are able to freely move toward the injured side, and prevented from moving to the opposite direction of injured TMJs. Without anyone intentionally setting it, the plaintiff fell into an anatomic trap, proving her to be untruthful regarding her TMJ claim, which immediately raised our awareness that, perhaps, she was also being untruthful about the nerve injury claim.

The plaintiff was a patient who saw doctors quite frequently, so the volume of medical records to be reviewed was enormous. However, we recognized that they could contain very valuable information. Roughly 18 months after the extraction at issue, the plaintiff saw her primary physician for a routine physical and blood studies: therein, her liver function tests were grossly abnormal, so her physician referred her to a hematologist for a work-up, and she went.

Luckily for us, and in conformity with good medical care, the hematologist obtained a complete medical history and conducted a thorough physical exam. In the history, within the section entitled “neurological”, the hematologist noted the history from the plaintiff, which included her statement of “no areas of numbness or altered sensation.” As helpful as that, alone, would have been for our case, during the physical exam, the hematologist conducted a neurological exam, in which it was noted “CNs (cranial nerves) II-XII intact.” Given that the IAN is within the third division of CN V, we knew, from a totally unrelated but authoritative source, that no nerve was injured, at least as of then.

Subsequently, and pursuant to a HIPAA authorization, we spoke with the hematologist. We explained the plaintiff’s claim in the suit and asked whether the notes of the history and physical were accurate. The hematologist responded to the effect of, “I never enter a patient chart note that is not complete and accurate. I see almost every patient with either a medical student or resident also present, so complete history taking, thorough examinations, and accurate chart entries are absolutes.” We made plans to have the hematologist testify at trial, if needed.

Trial

In the lead-up to trial, we explained to the plaintiff’s attorney that we strongly believed that the claimed injuries did not exist. The attorney did not accept our assessment, maintained a settlement demand value which we viewed as exorbitant, and wished to proceed to trial.

At trial, our client testified regarding his professional credentials, including his practice background, and the facts specific to this plaintiff. A key area of questioning against him, which was effective, focused on the concepts that oral surgeons are specifically trained to remove impacted teeth. As compared with general dentists such as he was, they are more familiar with handling complications (which the dentist clearly agreed with, as he had ultimately referred the plaintiff to an oral surgeon after two problems emerged), and despite his experience doing oral surgery, an oral surgeon with more experience might have taken different approaches and precautions to decrease the likelihood of complications. In all candor, plaintiff’s counsel seemed to have impressed the jury on the negligence aspect of the claim.

However, things turned around starkly during the cross-examination of the plaintiff’s expert witness. That expert acknowledged the anatomic and physiologic incongruities associated with the plaintiff’s claimed limitations and abilities relating to her TMJ and its muscular attachments, and essentially admitted that the plaintiff could not have been truthful when reporting her TMJ symptoms. It became even worse for the plaintiff when the expert was confronted with the hematologist’s records, which he had never previously reviewed, and was forced to admit that this unbiased, unrelated practitioner had essentially debunked the plaintiff’s claimed permanent nerve injury, based upon a history from the plaintiff and an examination which took place well after the subject extraction.

The jury quickly returned a verdict in favor of the dentist. One of the jurors, who was interviewed after, said that they completely disbelieved everything about the plaintiff’s claim once her own expert was painted into a corner.

Takeaways

For a plaintiff to win a dental malpractice case, every element of the claim must be met. So, an injury caused by proper treatment will lead to results in favor of the dentist. Of course, the true facts may not always appear from the start, so a deep dive into every aspect of litigation investigation must be undertaken in all cases, not only by the attorneys, but by the expert witnesses as well, because they are the witnesses who are usually the most critical to juries.

Very important from a risk management standpoint is the concept to always practice within your own abilities. Especially in office settings when young employee dentists are pushed to produce, but also in situations where such pressures are not externally placed, we often see litigation arising after dentists perform procedures for which they are not adequately trained, for which they have limited experience, or which they are trying to do as “a favor.”

Note that this case presentation includes circumstances from several different closed cases, in order to demonstrate certain legal and risk management principles, and that identifying facts and personal characteristics were modified to protect identities. The content within is not the original work of MedPro Group but has been published with consent of the author. Nothing contained in this article should be construed as legal, medical, or dental advice. Because the facts applicable to your situation may vary, or the laws applicable in your jurisdiction may differ, please contact your personal or business attorney or other professional advisors if you have any questions related to your legal or medical obligations or rights, state or federal laws, contract interpretation, or other legal questions.

In this case study, we explore how a misidentified biopsy location – due to a miscommunication - resulted in wrong-site surgery and malpractice claims. The case highlights the importance of documentation accuracy in preventing risks.

Key Concepts

Preventing wrong-site surgery through pre-procedure precautions
Vicarious liability for documentation errors
Pure consent to settle clauses in malpractice policies

Background Facts

T, a 71-year-old man, was a retired carpenter, with a medical history of well-controlled hypertension and chronic, episodic sinusitis, and a social history of having smoked at various times in his life, as much as up to a pack of cigarettes a day. He visited his dentist, Dr. D, at irregular intervals and never wanted to establish a big-picture treatment plan. At his most recent visit, Dr. D noted a course, irregular white area at the buccal mucogingival junction around teeth #29-31. Not feeling comfortable making even a provisional diagnosis, Dr. D referred T to a periodontist, Dr. O, to evaluate the area and treat as needed. Dr. O performed an incisional biopsy of the area and sent it to an oral pathologist, Dr. H, for histopathological assessment. The lesion was read out provisionally as atypical epithelial proliferation, but Dr. H asked for a larger sample to be able to make a more definitive diagnosis.

Dr. O took a second specimen from an immediately adjacent site. Due to a clerical error, Dr. O entered into the chart that this specimen had been taken from the "lower left buccal gingiva," with her dental assistant repeating that error on the pathology request form that was forwarded to Dr. H with the tissue. After microscopically examining the specimen, Dr. H diagnosed it definitively. The report from Dr. H to Dr. O read "squamous cell carcinoma, moderately-to-well differentiated, lower left buccal gingiva," the latter aspect having been copied by Dr. H, exactly from the requisition provided by Dr. O's office with the most recent submission.

Upon seeing the words "squamous cell carcinoma," Dr. O immediately referred T to a double-degree oral and maxillofacial surgeon, Dr. M, who had head and neck surgery fellowship training, for evaluation and treatment, giving T a copy of the biopsy report to take with him. Dr. M reviewed Dr. H's report, examined T, noting a small lesion on the buccal aspect of teeth #30-31, and explained to T that he would need a PET scan to determine whether there had been any spread. Presuming no such spread, Dr. M advised T that the lesion could be successfully treated by surgery alone, specifically a marginal mandibulectomy and a limited neck dissection. The lesion had not spread, per the PET scan and other modalities, so the stated plan would go forward. T agreed and surgery was scheduled at a regional medical center.

On the day of surgery, T waited in a pre-surgery room, where his medical history was reviewed and identification was checked. A consent form stating the procedure to be "removal of portion of lower jaw, and neck dissection" was signed by T and witnessed by a nurse. Dr. M said a brief "hello" to T before changing into scrubs and entering the operating room, where T was already on the table. Dr. M asked the anesthesiologist to proceed.

Dr. M had taped Dr. H's biopsy report to the OR wall, read it again, and prepared to make an extraoral left submandibular incision, through which he would both remove a mandibular segment and perform the limited neck dissection. Technically, the procedure went forward uneventfully, with T then transferred to the post-anesthesia care unit. T's wife was brought in to see her husband while Dr. M was still there, dictating his operative note. She was aghast to see that surgery had been performed on T's left side, when she knew that the cancer was on the right. When she confronted Dr. M on the spot, he said, "here's the biopsy report, read it for yourself."

Shortly after T's initial surgical recovery, another surgeon treated T, this time correctly operating on the right side of T's face and neck. T suffered emotionally, to the extent that he sought and obtained psychological counseling, but he was never able to comfortably eat or drink, or otherwise normally function orally again. He required and received reconstruction bilaterally, but he always found it to be very compromised and esthetically unacceptable.

Legal Action

T retained a seasoned attorney, who collected all records and who obtained opinions from a general dentist (like Dr. D), a periodontist (like Dr. O), an oral pathologist (like Dr. H), and an OMS (like Dr. M). The general dentist saw no liability on Dr. D's part, as he had immediately made an appropriate referral. The oral pathologist similarly found no liability as to Dr. H, reasoning that oral pathologists in biopsy situations do not assess the patient clinically. They simply diagnose what they see microscopically, which he did accurately, and report the findings regarding the site that was conveyed on the requisition it had come from.

The conclusions as to Drs. O and M were quite the different. The expert periodontist stated his view of Dr. O's negligence succinctly: Dr. O's recording error which incorrectly stated the location of the lesion to be examined was inexcusable, and it served to set the entire cascade of events into action, resulting in wrong-side surgery having been done. The oral surgery expert was deeply critical of Dr. M, claiming that he failed to clinically correlate the location findings on a biopsy report with the patient's actual condition, and then compounded the situation by being unwilling to address his error, thereby violating his duties, both surgically and ethically. In short, said this expert, Dr. M failed to do the most basic tasks, namely double checking the intended surgical site before performing irreversible, life-altering treatments.

Substantial settlement amounts were paid to T on behalf of both Dr. O and Dr. M. Additionally, Dr. M was sanctioned by his State Board.

Takeaways

Wrong-site treatment, including surgery – whether, as here, relating to the side of the mandible to be removed, or extracting a first bicuspid instead of an orthodontically planned-for second bicuspid, or endodontically treating a healthy lower molar instead of the diseased tooth next to it – has permanent effects, which are virtually always preventable. Pre-procedure techniques can be, and routinely are, employed that will stop this type of error from ever taking place, such as taking a time out for confirmation, marking the side/site of surgery, having two people independently confirm what is to be done, clinically correlating a result document (such as a biopsy report) with an actual finding, and having an open, no-consequences policy that encourages office staff to voice any concerns before a potential untoward event begins. The old "a stitch in time" adage is never more applicable than in pre-procedure risk protection.

One of the most frequent case types now seen in malpractice claims is a practitioner performing treatment where it was not intended to be, and the trend appears to be growing. While the reasons for that are simply theories, a common-sense approach is that such events might well be driven by a focus on the number of patients seen and procedures performed. In reality, the amount of time needed before a procedure to assure correct patient, correct site, correct procedure is nominal in comparison to the amount of time that most procedures take. But even if a practitioner or an office is measurably slowed down to achieve those assurances, obligations to patient safety warrant those delays.

This case highlights the consideration of responding to patients and their family members when results are not as planned or expected, when complications come to pass, or, as here, when errors are immediately obvious. It would not likely have changed the ultimate course of legal events had Dr. M responded to T's wife differently, because the negligence was so clear and significant, but it might have reduced the likelihood of a Board complaint being levied against him. Evidence to support that theory lies with the fact that no Board complaint was filed against Dr. O.

The pathology request form sent to Dr. H with the second specimen taken by Dr. O was completed by Dr. O's dental assistant, who wrote the requisition form. By way of a concept known as vicarious liability, what the dental assistant wrote is the functional equivalent of Dr. O having written it herself. The assistant's error, whether copied from Dr. O's own transcription error or not, becomes Dr. O's error as well. All that is delegated comes back to the delegator, so double-checking of even such a seemingly unimportant task is critical for liability protection and for patient protection.

As a background fact, both Dr. O and Dr. M had professional liability ("dental malpractice") policies with "pure consent-to-settle" provisions, meaning that no settlement could have been reached without their agreement to do so. Such a provision means that a practitioner can demand that a lawsuit brought against them be tried in court before a jury, regardless of how strong the evidence of wrongdoing might be. For every case, practitioners are counseled by their attorneys regarding the pros and cons of settlement versus trial, with the potential implications of both fully set out on the table.

Finally, we note that, simply for purposes of brevity, some details, which were not relevant to the risk management issues discussed, were omitted. This is particularly the case regarding the pre-surgical work-up phase of care, secondary criticisms addressed by the experts, and the documentary and testimonial evidence before the State Board. Their absence should not be construed as necessary but missing pieces.

Summary of Takeaways

Wrong site surgery remains a leading and largely preventable source of malpractice claims.
Dentists are accountable for errors made by delegated staff, even when those errors were unintentional.
Simple confirmation practices before irreversible procedures can prevent patient harm and legal consequences.

A fulfilling dental career is powered by passion. In this article, Dr. Shafa Nathani, a member of MedPro Group’s Dental Advisory Board, offers insight on staying motivated and shaping a career that you’re passionate about.

Key Concepts

Job satisfaction and preventing burnout
Continuing education for dentists
Mental health and work-life balance

Cultivating your passion as a dentist can boost your job satisfaction throughout your career. When you genuinely enjoy what you do, it's easier to feel fulfilled and eager to come to work each day. Maintaining enthusiasm at work also helps keep you motivated, especially during difficult periods.

In addition, your passion for your dental career can trickle down into your care. Your upbeat demeanor can be contagious, helping to build trust and a sense of safety with your patients. This often leads to fewer appointment cancellations and a stronger commitment from your patients to stick to their treatment plans.

Building a dental career you love begins with securing reliable dental malpractice insurance – so you can practice safely and confidently with protection against potential malpractice claims. With trusted coverage from industry leader MedPro Group, you’ll get the peace of mind you need to deliver the best care to your patients and focus on fostering a fulfilling career.

Read this article for tips on how to choose the right dental malpractice insurance policy.

Q&A with a MedPro Group Dental Advisory Board Member

We interviewed Dr. Shafa Nathani, DMD, a member of MedPro’s Dental Advisory Board, to learn how she maintains her enthusiasm for her practice.

What’s your favorite part about working with patients?

"Every patient who sits in my chair comes with a story, and that’s something I never take for granted. On most days, the office is busy and fast-paced, and I may only get a few moments with each patient. Still, those moments often carry the most meaning. Whether it’s meeting a new patient for the first time, delivering complete dentures to someone we’ve been caring for over months or years, or seeing a recall patient after a long gap and catching up on their life, those brief connections matter deeply to me. Outside of the technical side of dentistry, it’s these human moments that ground me. After a day that feels like a total blur, they remind me why I chose this profession in the first place and how privileged I am to be trusted with someone’s care, comfort, and confidence.”

How do you prevent burnout as a dentist?

"I’m a little over a year into my career, and I’m currently in a phase of saying ‘yes’ as much as possible, working hard to gain experience and take full advantage of the momentum from dental school. While that growth has been exciting, it also comes with physical and mental challenges.”

“There are days when my back aches, the mental load of running a busy office feels overwhelming, and the idea of taking time off sounds incredibly appealing. Early on, my routine after work was to go straight home, sit on the couch, and try to decompress. However, I quickly realized that I was still waking up tired and feeling like my life revolved entirely around work.”

“Making intentional changes helped shift that mindset. I joined a yoga studio, spent time at the library, and found ways to stay mentally and physically engaged outside of dentistry. Even though I was still tired, I felt fulfilled. That sense of balance has been essential in preventing burnout and helping me remain enthusiastic, motivated, and present for my patients."

Learn more about recognizing and preventing burnout in this article.

Can you share a pivotal moment that reaffirmed your passion for dentistry?

"Within my first month of practicing as a dentist, I treated an older patient whose upper bridge and partial had completely failed. He required full-mouth extractions, but financial limitations prevented him from receiving care from an oral surgeon. I wanted to help him, but I also questioned whether I was capable of managing a case of that complexity so early in my career.”

“I reached out to a mentor who guided me step by step through the surgical process and denture delivery. While he was incredibly grateful for the care, that wasn’t the moment that truly reaffirmed my passion for dentistry. It was everything that followed. Over the next year, I saw him regularly for adjustments and follow-up exams, and during those visits we shared life updates and built a genuine connection. On my last day at that office, we tearfully said goodbye, and he offered me his blessings.”

“That moment reminded me that dentistry is about far more than procedures. It’s about relationships, trust, and long-term impact. He will be attending my wedding later this fall, a testament to how meaningful patient relationships can become."

How important is continuing education to staying passionate about your career?

"Continuing education is incredibly important to me, both professionally and personally. Dental school provides a strong foundation, but it can’t possibly cover everything. Depending on how you want to practice, CE can help shape you into a well-rounded dentist or allow you to focus deeply on a specific niche. I identify strongly with being a well-rounded practitioner.”

“I’ve discovered countless resources and taken courses that reignite my excitement for learning and push me to try new techniques that lead to better clinical outcomes and smoother recovery for patients. Dentistry is constantly evolving, and staying current isn’t optional, it’s a responsibility. Engaging in CE keeps me challenged, curious, and inspired, which directly translates into better patient care."

How do you stay connected to the dental community? How does that affect your passion for your work?

“Having a supportive dental community is vital to my success and longevity in this profession. I’m incredibly grateful for the friendships I formed in dental school. We often joke that between all of us, we somehow cover every time zone in the country. Even though we aren’t geographically close, those friends are the first people I reach out to because they truly understand the challenges, pressures, and victories that come with dentistry. It’s a judgment free space where I can ask questions, vent, or celebrate wins.”

“Additionally, my current role allows me to work within a DSO alongside a strong group of dentists. Through monthly calls and in person collaboration, we’ve built relationships rooted in mutual support and shared growth. This community has been essential in keeping my passion for dentistry alive because I never feel isolated. Instead, I feel supported, encouraged, and reminded that I’m part of something much bigger than myself.”

Passion starts with security

You're passionate about your patients. We're passionate about protecting your good name. With over a century of dental malpractice expertise, we'll protect your practice so you can focus on building a career you love.

To learn more, contact our team or get a quote today.

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In this case study, dentists learn how an implant placement evolved into a malpractice lawsuit after the patient developed persistent postoperative nerve injury symptoms. The case demonstrates how clinical choices made at the planning stage can significantly influence the legal trajectory of a case.

Key Concepts

Understanding divergent opinions between experts
Determining standard of care for different radiographic techniques
Understanding the pure consent to settle clause

Background Facts

Dr. P practiced restorative dentistry in a suburban community, since her completion of dental school and a general practice residency. During her formal training and after, she engaged in didactic and clinical coursework involving implant placement and restoration and regularly recommended and employed dental implants in her treatment plans. That was the case when a new area resident, O, a healthy man in his 40s, presented for general care and consideration for replacing missing tooth #30, which was extracted years ago following a trauma-induced fracture.

O's mouth was in generally good repair, as he practiced good home hygiene and had been a regular dental patient for his entire adult life. Dr. P discussed the replacement options of a 3-unit fixed bridge and an endosseous implant, upon which a single crown would be placed. After taking and viewing a panoramic radiograph, Dr. P advised O that he had "plenty of bone" to support an implant, and she suggested that approach. The costs were similar, so O opted for the implant plan. Dr. P advised O of the usual risks of implant surgery, including a nerve injury which could even be permanent in "rare" situations. O agreed to go forward and set up an appointment within the next few weeks.

At the surgical visit, a chairside assistant presented O with a document entitled Implant Consent Form, telling O that this was exactly what Dr. P had discussed with him. O quickly perused the form and signed it. Based upon measurements she made on the panoramic film, Dr. P determined there to be 14.5 mm of mandibular bone superior to the inferior alveolar canal (IAC), so she planned for and placed a 13 mm fixture. Upon elevating a gingival flap, Dr. P noticed that the lingual height of bone was "a good deal" higher than on the buccal aspect. Other than O briefly wincing toward the end of the preparation phase, all went smoothly, with the implant covered with soft tissue and sutured. A post-placement periapical radiograph showed the implant in very close approximation to the IAC, but Dr. P saw "daylight," so she was not concerned.

One week later, at the suture removal visit, O complained of "pins and needles" and "numbness" on the right side of his lower lip and chin. Dr. P stated that she remained "unconcerned," explaining that this is common and all should be back to normal over the next weeks or months. O returned for crown placement 5 months after implant surgery, still with the same "annoying sensations." Dr. P was surprised that the situation had not normalized, but she continued to reassure O of a return to normal. That never came.

Legal Action

O always found the tingling and numbness to be uncomfortable, but he never thought to do anything about it until he met up with a college classmate of his, now an attorney, at an alumni event. The classmate did not practice law where O now lived but suggested that he consult with an attorney he knew who did "a lot of malpractice work." O met with that lawyer, who gathered all of Dr. P's records and sent O to a local neurologist to assess the extent of the injury. The neurologist confirmed that O's mandibular nerve was in fact injured and did not conceive of any improvement, now nearly two years after the surgical event.

O's attorney contacted an experienced dentist whom he knew, who had testified in dental malpractice cases in the past, and who, like Dr. P, regularly placed and restored implants, seeking to retain that dentist as an expert on behalf of O. Following a review of the records, the expert reported back to the attorney that, in his opinion, Dr. P had deviated from the standard of care, which in the expert's view required the use of CBCT radiography in order to accurately determine available bone for implant placement. The expert cited specifically to Dr. P's intraoperative finding of a sloped mandibular crest, which could not have been determined on the 2-D panoramic but would have been seen on a 3-D CBCT, had one been taken. The expert added to that opinion the concept that, once Dr. P noted that lingual-to-buccal slope, she should have immediately stepped back and reconsidered whether the planned-for 13 mm implant was appropriate, which it ended up not being, as the measurement was based upon the highest point of the crest, rather than lower points on that slope which were closer to the IAC.

The attorney quickly filed suit against Dr. P, as the statute of limitations was approaching. Dr. P contacted her professional liability carrier, which assigned defense counsel to Dr. P. O's attorney voluntarily shared his expert's report with defense counsel, hoping to demonstrate a strong basis for an early settlement. However, defense counsel retained its own expert, who opined that the standard of care allowed for 2-D panoramic films for the purpose of implant planning, although acknowledging a deep split within the dental profession. Some dentists and organized dental groups asserted that (exactly because of anatomic situations as Dr. P found) 3-D studies were required prior to posterior mandibular implant placement, with other dentists and dental groups agreeing with this defense expert's stance. In part, the latter view is supported by the statistical fact that, according to recent assessments, only 29% of U.S. general/restorative dentists have on-site CBCT availability, with less than 2/3 of dental specialists having such access.

Defense counsel recognized that a motion for summary judgment––one seeking dismissal of the case without trial––would not be fruitful because such a motion can only be successful when, among other things, there is no legitimate difference between opposing expert opinions. Therefore, defense counsel thoroughly presented Dr. P with her options: (1) go to trial and ask a jury to determine whether she had run afoul of the standard of care, allowing them to award money to compensate O for his injuries if they determined that she did not meet the standard of care, and if that was causative of his injuries; or (2) trying to reach a pre-trial settlement, presuming that the carrier agreed with that prospect, which it did.

Dr. P frankly said to her attorney that, in multiple continuing education classes she had taken, the need for pre-implant CBCT studies was discussed, for the very reasons highlighted in O's treatment. She further acknowledged that she would have to testify to that experience if asked at trial. Dr. P was concerned, so she authorized attempts to resolve the case. Because O's injuries were viewed, even by his own lawyer, as not severe, evidenced in part by O having never sought subsequent evaluations or care other than at the direction of his attorney, a modest settlement was reached.

Takeaways

It is the rule, and not the exception, that experts for plaintiffs and defendants will disagree, and that is also the case for dentists, outside of the litigation realm. Those disagreements take center stage during dental malpractice trials, with jurors left to determine which of the opposing positions they accept. As Dr. P reasoned here, it is rarely, if ever, simply a coin flip, because a host of factors play into jury determinations, so the pre-trial "prediction calculus" takes into account a common sense approach as to how lay people will most likely come to their conclusions on matters of science and professional expertise. Sometimes demeanors of the parties and/or experts carry the day. Sometimes the bases of expert opinions are determinative, and sometimes, as might play here, particular professional experiences in the dentist's past are of significance. While legitimate (not fabricated) differences of expert conclusions generally preclude dismissal before trial by way of motions, those differences will need to be resolved by a trial jury. There is no getting around that.

This case study briefly touches on the concept of statute of limitations (SOL), so a short description is in order. The SOL is the time following a claimed negligent event (or sometimes the subsequent discovery of that event) within which a plaintiff must file suit or be forever time-barred. Of course, as with so many issues in the law, there are nuances and issues which can serve to lengthen the allowable timeframe, but they are exceptions, with the statutory SOL generally being the bedrock. The concept of SOL is perhaps the most variable legal issue as between the States––or at least close to the top of the list––but it is a consideration for attorneys (or self-represented plaintiffs) to grapple with, and not something with which dentists need to familiarize themselves.

As the body of this case study references, divergent views exist within dentistry as to what radiographic techniques are "best" for various planned procedures or diagnostic approaches, which in the litigation arena often translates to opinions as to standard of care. Articles in respected journals present competing ideas. Some take the approach that dentists are in the most ideal position to make patient-based, procedure-based, and circumstance-based decisions as to which radiographic techniques––whether CBCT, panoramic, periapical, etc.––are most appropriate clinically. Others are more rigid, asserting, for example, that nearly all invasive dental/oral surgical procedures require CBCT studies in advance. While we do not advocate here in either direction, dentists and oral surgeons ought to be aware of these opposing schools of thought and consider them in decision-making, realizing that jurors might get the final say.

We end on a note about the decision faced by Dr. P. Given that she had a "consent-to-settle" policy, it was her right to refuse any type of settlement, regardless of the input or advice of her counsel or insurer. Had she not had such a policy, that decision would not have been hers to make. This is yet another issue for dentists to consider when choosing a malpractice carrier and policy.

MedPro Group is the marketing name used to refer to the insurance operations of The Medical Protective Company, Princeton Insurance Company, PLICO, Inc. and MedPro RRG Risk Retention Group. All insurance products are underwritten and administered by these and other Berkshire Hathaway affiliates, including National Fire & Marine Insurance Company. Product availability is based upon business and/or regulatory approval and/or may differ among companies. © MedPro Group Inc. All rights reserved.

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Key Concepts

Preventing wrong-site surgery through pre-procedure precautions
Vicarious liability for documentation errors
Pure consent to settle clauses in malpractice policies

Background Facts

Legal Action

Substantial settlement amounts were paid to T on behalf of both Dr. O and Dr. M. Additionally, Dr. M was sanctioned by his State Board.

Takeaways

Summary of Takeaways

Wrong site surgery remains a leading and largely preventable source of malpractice claims.
Dentists are accountable for errors made by delegated staff, even when those errors were unintentional.
Simple confirmation practices before irreversible procedures can prevent patient harm and legal consequences.

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Why Accurate Documentation Matters Before Referral and Surgery

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This document does not constitute legal or medical advice and should not be construed as rules or establishing a standard of care. Because the facts applicable to your situation may vary, or the laws applicable in your jurisdiction may differ, please contact your attorney or other professional advisors if you have any questions related to your legal or medical obligations or rights, state or federal laws, contract interpretation, or other legal questions.