f you break or damage a tooth at work, the injury can be covered by California workers’ compensation. That can include the dental treatment needed after the accident and, in some cases, permanent disability if the injury leaves lasting problems.
The more difficult dental claims are not always the obvious ones. A worker may damage a crown or implant, develop TMJ problems after trauma, or begin grinding and clenching their teeth after living with chronic pain from another work injury. Sometimes the dental condition does not become a major issue until months or even years after the original workers’ compensation claim was filed.
That does not necessarily mean it is too late.
California workers’ compensation can involve the teeth, jaw and other oral structures just like other injured body parts. The important questions are how the dental condition happened, whether it is medically connected to the employment, what treatment is necessary, and whether there is permanent impairment after appropriate treatment has been completed.
What Dental Injuries Can Happen at Work?
The easiest dental workers’ compensation claim to understand is direct trauma. A worker falls and strikes their mouth, gets hit in the face by an object or tool, or is involved in a work-related vehicle accident. A tooth may fracture, chip, become loose or be completely knocked out.
Work accidents can also damage existing dental work. A crown can fracture. A bridge can become damaged. Trauma may affect an existing dental implant or the structures supporting it. More significant injuries can involve the jaw or temporomandibular joint, commonly referred to as the TMJ.
Not every dental injury is immediately visible. A worker may develop persistent jaw pain, facial muscle soreness, headaches, difficulty chewing or problems opening the mouth. Other cases involve grinding and clenching that eventually damages teeth or existing dental restorations.
This is one reason dental injuries can get lost in a larger workers’ compensation case. If someone suffers a serious back, neck or shoulder injury in the same accident, the teeth may not seem like the priority at first. Months later, the worker is still dealing with a damaged tooth or worsening jaw problem that was never properly addressed.
What Jobs Have a Higher Risk of Dental Injuries?
Dental injuries can happen in virtually any occupation, but direct trauma is more common in work involving physical activity, equipment, vehicles and an increased risk of falls. Construction workers, warehouse employees, commercial and delivery drivers, maintenance and public works employees, manufacturing workers, mechanics, law enforcement officers, correctional officers, security personnel and restaurant or hotel employees can all sustain injuries to the teeth or jaw.
The mechanism is often straightforward. A construction worker can be struck by material or a tool. A warehouse employee may fall into shelving. A commercial driver can strike their mouth during a collision. A maintenance worker may be injured around machinery or equipment.
Film and television production is another good example in Los Angeles and Burbank. Grips, electricians, set builders, lighting crews and other production workers regularly work around heavy equipment, temporary structures and moving vehicles. A dental or facial injury during production is still a workplace injury even though the employee may work at different locations from week to week.
A Dental Injury Does Not Have to Happen in One Accident
California workers’ compensation recognizes both specific injuries and cumulative trauma injuries.
A specific dental injury occurs from an identifiable event. You fall and fracture a tooth. Something hits you in the mouth. A work-related collision injures your teeth or jaw.
A cumulative trauma develops differently. Instead of one event causing the condition, repetitive work activities or other industrial factors contribute to an injury over time. You can read more about how cumulative trauma injuries work under California workers’ compensation.
This becomes especially important with teeth grinding and bruxism because the worker may never have sustained a direct blow to the mouth.
Can Teeth Grinding or Bruxism Be a Workers’ Compensation Injury?
Bruxism is grinding or clenching of the teeth. Some people grind primarily while sleeping and do not realize how severe it has become until their dentist begins finding worn teeth, damaged dental work or other objective changes.
In a workers’ compensation case, the issue is not simply whether someone grinds their teeth. The medical question is whether an industrial condition caused or materially contributed to the bruxism or made an existing problem substantially worse.
Consider a worker who suffers a serious orthopedic injury and then lives with chronic pain for several years. The worker begins clenching during the day and grinding heavily during sleep. Over time, the worker develops jaw soreness, facial muscle pain, headaches and significant dental wear. Fillings begin failing. A crown or bridge becomes damaged. An existing implant becomes symptomatic. Chewing harder foods starts causing pain.
The original accident may never have involved a direct injury to the mouth.
That does not automatically make the later dental problem nonindustrial. A dentist still has to evaluate the history, timing of symptoms, prior dental condition and objective findings and give a medical opinion about causation.
This is an area where dental workers’ compensation claims can be much more complicated than they first appear.
What If I Already Had Bad Teeth, Crowns, Bridges or Implants?
Most adults do not enter a workers’ compensation case with a perfect dental history. People have old fillings, crowns, bridges, implants, extractions and periodontal issues. Some may have experienced occasional grinding before the work injury.
A preexisting condition does not automatically eliminate an industrial claim. The important question is what changed and why.
Suppose someone had an implant-supported bridge for years without any meaningful problem. After an industrial injury and the development of significant bruxism, the supporting structures deteriorate and the bridge becomes loose or painful. The existence of the old implant is obviously relevant, but it does not by itself answer whether the industrial condition contributed to the current problem.
The same is true of a worker who occasionally ground their teeth before the industrial injury but later develops severe bruxism and actual dental damage. Prior dental conditions may become important to causation and eventually apportionment of permanent disability, but “you had dental problems before” is not the same thing as proving the current condition is entirely nonindustrial.
Can I Add Teeth to a Workers’ Compensation Claim I Already Filed?
Often, yes.
This is one of the most important issues with dental claims because teeth are frequently overlooked when the original workers’ compensation paperwork is prepared. The worker and doctors may be focused on a serious orthopedic injury while a chipped tooth or developing jaw condition receives relatively little attention.
California’s workers’ compensation system allows an Application for Adjudication of Claim to be amended. If the teeth, jaw or another dental condition should be alleged as part of the injury, the fact that the body part was not listed on the first Application does not automatically prevent it from being raised later.
That does not mean the insurance company has to accept it. The carrier may dispute whether the dental condition was actually caused by work. It may argue that the tooth problem resulted from prior dental disease, ordinary wear, unrelated grinding or another cause.
At that point, the issue becomes one of medical evidence.
There is also an important distinction in some bruxism cases. The alleged dental condition may not be a consequence of the original specific injury at all. Depending on the facts and medical evidence, it may be alleged as part of a cumulative trauma developing over a period of employment.
The correct way to plead the dental condition depends on what actually happened. The important point for an injured worker is not to assume the claim is over simply because nobody wrote “teeth” on the original paperwork.
Is It Too Late If My Dental Problem Appeared Later?
Do not automatically assume that it is.
California has statutes of limitation governing workers’ compensation claims, but determining the actual deadline can become complicated when an injury develops over time.
For a cumulative injury, Labor Code section 5412 generally defines the date of injury as the date the employee first suffered disability and either knew, or through reasonable diligence should have known, that the disability was caused by employment. That is not necessarily the first day the worker ever clenched their teeth or woke up with a sore jaw.
The analysis becomes even more fact specific when the dental condition is alleged to have developed because of another accepted industrial injury.
We have a separate guide explaining when it may not be too late to pursue a California workers’ compensation claim.
If an insurance company tells you that a dental condition was reported too late, that issue should be analyzed based on the actual facts rather than simply accepting the carrier’s conclusion.
Who Evaluates a Dental Injury in a Workers’ Compensation Case?
California workers’ compensation law expressly recognizes dentists as physicians when they are practicing within the scope of their license. Dentistry is also a recognized Qualified Medical Evaluator specialty in California.
That matters.
An orthopedic QME may be qualified to evaluate a neck, back, shoulder or knee injury, but that does not make the orthopedic doctor the appropriate medical expert to determine whether significant dental damage, TMJ dysfunction or bruxism is industrial.
When the parties dispute a dental condition, a dental QME or an Agreed Medical Evaluator in dentistry may become necessary. California also has a procedure for obtaining an additional QME panel in another specialty when the requirements for an additional panel are met.
An injured worker does not automatically receive every specialty requested. There must be a proper basis for the additional evaluation. But the existence of a legitimate dental dispute should not simply disappear because the original QME happened to practice in another specialty.
For a broader explanation of these medical-legal evaluations, read our guide to the California QME process and how to prepare for a QME examination.
What Happens During a Workers’ Compensation Dental Evaluation?
A proper dental medical-legal evaluation can be much more involved than a routine dental visit.
The dentist may need to review the history of the industrial injury, prior dental records, earlier X-rays and the timing of the worker’s symptoms. The examination can include full-mouth or panoramic imaging, evaluation of individual teeth and restorations, measurement of jaw movement, assessment of the TMJs and facial muscles, examination of the bite and analysis of the bone and periodontal structures supporting teeth or implants.
Prior records can be extremely important. If old dental imaging shows that a tooth, implant or bridge was stable before the industrial condition developed, that evidence can help the evaluator understand what changed.
The worker’s ability to eat also matters. Someone who now has difficulty chewing meat, nuts, raw vegetables or other harder foods should accurately explain those limitations. When a dental injury becomes permanent, loss of normal chewing function is directly relevant to the AMA Guides analysis.
What If the Workers’ Comp MPN Does Not Have a Dentist?
This is a very practical problem.
The insurance carrier may say it is authorizing dental treatment but then provide an MPN directory that does not result in actual access to an appropriate dentist. The worker calls different offices, learns that they do not handle workers’ compensation, cannot get an appointment, and spends weeks going back and forth with the adjuster.
An MPN has access requirements. There are circumstances under California’s MPN regulations where an injured worker may be permitted to obtain appropriate specialist treatment outside the network when the necessary specialist care is not available through the MPN or cannot be timely arranged.
That does not mean a worker should simply choose any dentist and expect the carrier to pay the bill. The MPN rules and the steps taken to request appropriate care matter.
But an insurance company cannot solve every dental treatment problem by simply saying, “Use the MPN,” when the network is not actually providing access to the necessary specialist.
How Are Teeth and TMJ Injuries Rated Under the AMA Guides?
California uses the AMA Guides to the Evaluation of Permanent Impairment, Fifth Edition when physicians evaluate Whole Person Impairment in workers’ compensation cases.
Dental injuries are addressed in Chapter 11, which covers the ear, nose, throat and related structures. The oral region includes the mouth, lips, teeth, temporomandibular joint, tongue and related structures.
One of the most important sections for dental impairment addresses mastication and deglutition. Mastication means chewing. Deglutition means swallowing.
This is important because the AMA Guides do not contain a simple formula saying that one fractured tooth equals a certain percentage of Whole Person Impairment. Instead, the evaluation focuses much more heavily on permanent function.
For impairment involving mastication and deglutition, the Guides use permanent dietary restrictions as an important measure of functional loss:
| Permanent dietary restriction | Whole Person Impairment |
|---|---|
| Diet limited to semisolid or soft foods | 5% to 19% WPI |
| Diet limited to liquid foods | 20% to 39% WPI |
| Food requires tube feeding or gastrostomy | 40% to 60% WPI |
Those are impairment ranges, not automatic ratings. A dentist still has to explain the diagnosis, objective findings, functional loss and why the selected impairment accurately reflects the worker’s condition.
The AMA Guides also provide an example involving significant TMJ problems where the individual had reduced mandibular mobility and remained restricted to a soft diet because of TMJ discomfort. That example resulted in a 10% Whole Person Impairment.
The point is that dental permanent disability can be real and significant. What matters is not simply counting how many teeth were damaged. The evaluator has to determine what permanent functional loss remains.
Does a Broken Tooth Automatically Create Permanent Disability?
No.
This is where treatment and permanent disability have to be separated.
A worker can suffer an entirely legitimate industrial dental injury that requires expensive treatment but ultimately produces little or no Whole Person Impairment. Someone may fracture a tooth, require a root canal and crown, and then regain normal function after the treatment is completed.
The treatment was still necessary because of the work injury. But expensive dental treatment does not automatically mean a large permanent disability rating.
The analysis changes when significant permanent problems remain. Multiple damaged teeth, failed implants, lasting TMJ dysfunction, limited jaw movement or a permanent inability to comfortably chew normal foods can present a much different impairment picture.
This is one reason I would never assume that every dental case is either “worth nothing” or automatically creates a major permanent disability rating. The medical findings and lasting functional loss drive the analysis.
Once a physician assigns WPI, that percentage becomes part of the broader permanent disability rating process. We explain that separately in our guide to Whole Person Impairment and California workers’ compensation case value.
What Dental Treatment Can Workers’ Compensation Pay For?
The appropriate treatment depends on what was actually injured. Industrial dental care can potentially include examinations and diagnostic imaging, fillings, crowns, root canals, extractions, bridgework, treatment involving damaged implants, periodontal procedures, bone grafting, TMJ treatment, oral surgery and appliances such as night guards when medically necessary for the industrial condition.
There is no rule that every fractured tooth automatically requires an implant or that workers’ compensation must replace every piece of preexisting dental work. The dentist still has to explain what treatment is reasonably necessary because of the industrial injury.
This can nevertheless become a significant part of a workers’ compensation case. Restoring damaged teeth or implants may require multiple procedures over an extended period of time, and future dental treatment can remain important even when the ultimate permanent disability rating is not particularly large.
What If Workers’ Comp Denies My Dental Treatment?
The first question is what exactly the insurance company is denying.
Sometimes the carrier disputes the entire dental injury. It may argue that the teeth were never injured at work or that the current condition is entirely the result of preexisting dental problems. That is fundamentally a causation dispute and may require dental medical-legal evidence.
Other times the carrier accepts that there is an industrial dental condition but disputes a particular treatment request. That raises a different set of issues involving the workers’ compensation medical treatment process.
There is also a third type of dispute that comes up in dental cases: everyone seems to agree that dental care is necessary, but the worker still cannot actually get an appointment with an appropriate provider. That may require addressing the MPN access problem rather than repeatedly submitting the same request.
If your workers’ compensation claim has been accepted but you have spent weeks trying to obtain dental care, or the insurance company refuses to acknowledge a significant dental condition, call or text Lee Partners Law: Work Injury Attorneys at 310-295-0822. We can review what is actually being disputed and determine what the next step should be.
How Much Is a Workers’ Comp Dental Injury Worth?
There is no standard settlement amount for a broken tooth, damaged implant, TMJ condition or work-related bruxism.
The value of the dental component depends on what ultimately remains. The number of affected teeth matters, but so does whether those teeth can be restored, whether implants or other dental work have been damaged, whether future treatment will be necessary and whether the worker is left with permanent difficulty chewing or using the jaw normally.
Permanent impairment is only part of the analysis. Apportionment may become important when there were significant preexisting dental problems. Other injured body parts also affect the overall case. A workers’ compensation case involving an orthopedic injury, dental condition and other permanent impairment cannot be valued by simply assigning a price to one tooth.
Two workers can both say, “I broke my tooth at work,” while having completely different cases.
One may need a crown and regain completely normal function. The other may suffer damage to several teeth and existing restorations, develop TMJ problems and bruxism, face extensive future dental work and remain unable to comfortably chew harder foods.
Those cases should not be evaluated the same way.
What Should I Do If I Injured My Teeth at Work?
Report the dental problem and make sure it is actually documented. If another body part is causing more immediate pain, do not assume that means the teeth can be ignored.
Tell your doctor if your mouth, jaw or teeth were injured in the accident. If there is visible trauma, photographs may be useful. If you have an established dentist, prior X-rays and treatment records may help show the condition of your teeth before the work injury.
For a gradually developing problem, be accurate about when you first noticed grinding, clenching, jaw pain or difficulty chewing. Explain what changed after the industrial injury and whether there are foods you previously ate without difficulty that now cause pain.
Most importantly, do not assume a dental condition is irrelevant simply because nobody put “teeth” on the original paperwork.
Workers’ compensation cases evolve as additional medical conditions are identified. A legitimate dental injury can be documented, medically evaluated and litigated just like other disputed parts of a claim.
California Workers’ Compensation Attorneys for Dental Injuries
Dental injuries are often a secondary issue at the beginning of a workers’ compensation case. They can become a major issue later when a worker cannot obtain treatment, a damaged tooth deteriorates, an implant or bridge begins failing, significant bruxism develops, TMJ symptoms continue or the insurance company refuses to accept the dental condition.
Lee Partners Law: Work Injury Attorneys represents injured workers throughout California, including Los Angeles, the San Fernando Valley, Burbank, Lancaster, Palmdale, the High Desert, Orange County, the Inland Empire and Ventura County.
If you fractured or chipped a tooth at work, damaged a crown, bridge or implant, developed TMJ problems, or believe grinding and clenching developed because of an industrial injury, call or text 310-295-0822 for a free consultation.
The information in this article is general information only and is not legal advice regarding any particular workers’ compensation claim.
