Living with TMD has been a roller coaster for me…. Forming words can be difficult, as can drinking from a glass without a straw due to lack of muscle control inside of my mouth. Eating can be difficult, which is made worse by a lack of taste that was apparently damaged in my six surgeries.
—Lynne P.
We need to know what causes TMD, why it is more prominent in women, how to treat it, and long-term effects from current treatments out there. We need better treatment options. We need you to listen to the patients. We need your help. This is a very complex condition that needs medical experts from numerous specialties not just dentistry and oral facial pain medicine.
—Heather
Action is urgently needed to improve care for individuals with a temporomandibular disorder (TMD). Too long compartmentalized as a dental issue, both the clinical management of and the research addressing TMDs need to implement a holistic and multidisciplinary approach. Individuals with TMD symptoms often encounter health professionals (across medicine, dentistry, and beyond) that are unfamiliar with TMDs and do not know where best to refer patients for further diagnosis and treatment. The gaps and divides between medical and dental care are currently vast in the United States (IOM, 2011; Mertz, 2016) and, as a result, patients can get lost between the two systems or not receive the multidisciplinary care
they need. Evidence-based clinical practice guidelines for TMD care are needed as well as efforts to enhance accessibility to high-quality, patient-centered care.
Because TMDs represent a grouping of varied disorders—with diverse etiologies, symptoms, and treatments—rather than a single disorder, health professionals and researchers need to focus on learning more about individual TMDs (e.g., myalgia, disc disorders, arthralgia) and on the specific treatments for each. Much of TMD research is siloed and simultaneously fragmented across niche areas of dentistry or medicine and needs a coordinated approach focused on patient-centered and clinically meaningful outcomes.
The committee worked to review the scientific literature; to seek information from patients and their family members, researchers, clinicians, policy makers, research funders, and others; to analyze the data; and to develop its conclusions and recommendations. The recommendations in this chapter focus on the actions that many organizations and agencies should take to improve TMD research and care. The committee also emphasizes the critical role that individuals with a TMD and their family members have played—and hopefully will continue to play—in bringing TMD issues to the attention of policy makers and health professionals and moving the research and care agenda forward on multiple levels in the public and private sectors. These efforts are to be commended and are encouraged to continue and expand. It is the committee’s hope that increased opportunities will be available for individuals with a TMD and their family members to engage in these important efforts to improve the state of TMD research and care. Specifically, it is hoped that individuals with a TMD and their families will be able to partner with their health care professionals to find the best options for care, to continue to actively participate in patient support networks, to explore ways to be a participating voice in research efforts (such as serving as a patient representative in research design), and to be active advocates for improvements in care and services for themselves, their family members, and other people with a TMD.
The goals of the following recommendations are to build a strong base of knowledge about TMDs and to facilitate actions needed to improve the overall health and well-being of individuals with a TMD. Some of these recommendations can be accomplished rapidly with actions by key decision makers. Other recommendations are more aspirational and will require the collaboration and commitment of multiple organizations and dedicated resources—including investments of time, funds, and innovative energies—to accomplish these goals. The committee has provided both short-term and longer-term priorities to be used as starting points and long-range planning points. Key to making a difference in improving care for individuals with a TMD will be:
Engagement by multiple stakeholders will be required to dismantle the siloes keeping research fields isolated and to advance TMD research and care. It will be necessary to apply innovative research models and theory-based research designs to the challenges of TMDs. Patients, dentists, physicians, and other health professionals must be involved in advancing research. The committee recommends that a research consortium be established to bring together relevant National Institutes of Health (NIH) institutes and centers and other stakeholders from the public and private sectors to focus future research efforts on filling key evidence gaps in TMD research and care and to ensure that clinically meaningful, patient-centered outcomes are prioritized. The committee stresses the importance of an organized research approach for TMDs, but the mechanism to carry this out should be flexible (i.e., if not an NIH-led consortium, another trusted leader in the field could organize a research network with the goals outlined in Recommendation 1).
Fresh ideas and multiple disciplines are needed to advance TMD research to improve patient care. NIH provides approximately one-third of all biomedical research funding in the United States (IOM, 2011) and therefore, the interests and priorities of NIH institutes and centers can stimulate research interests and training programs throughout the country. TMDs are not the primary mission of any NIH center or institute. NIH funding for TMD research falls largely within the National Institute of Dental and Craniofacial Research (NIDCR) (which has one of the smallest research budgets of the NIH institutes) with a total budget of approximately $461 million compared to the National Cancer Institute’s $5.99 billion for fiscal year 2019 (NIH, 2020). Given the number of individuals suffering from TMDs, the severity of some of the disorders, and the substantial public health burden of TMDs, there is a significant opportunity for NIH and other biomedical research institutions to drive increased funding to TMDs in order to spark new research interest and discoveries. Efforts are
needed to ensure that TMD research is incorporated into NIH-wide initiatives, including the NIH Pain Consortium. Furthermore, as noted in Public Law 116-94, an NIH inter-institute working group is being called on to focus on coordinating TMD research across the multiple NIH institutes and centers relevant to this field (see Recommendation 1 for details).
Recommendation 1: Create and Sustain a National Collaborative Research Consortium for Temporomandibular Disorders (TMDs)
A National Collaborative Research Consortium for TMDs should be established and sustained to coordinate, fund, and translate basic and clinical research (including behavioral, population-based, and implementation research) to address evidence gaps, generate clinically meaningful knowledge, identify safe and effective treatments, and improve the quality of TMD care.
The consortium would:
Near-term implementation actions:
and Skin Diseases, the National Center for Complementary and Integrative Health, the National Institute of Biomedical Imaging and Bioengineering, the National Institute of Nursing Research, NIH Office of Nutrition Research, NIH Office of Research on Women’s Health, NIH Office of Behavioral and Social Sciences Research, TMJ Patient-Led RoundTable, Chronic Pain Research Alliance, The TMJ Association, academic research centers, research foundations, private-sector research funders, professional health care associations, private and public insurers, and patient advocacy organizations) to:
Medium- to long-term implementation actions:
Recommendation 2: Strengthen Basic Research and Translational Efforts
The National Collaborative Research Consortium for temporomandibular disorders (TMDs) along with other funders should fund
basic research efforts and ensure its translation as part of a patient-focused, multidisciplinary research agenda on TMDs to address evidence gaps, generate clinically meaningful knowledge, identify effective treatments, and improve quality of care. Research priorities should include:
Recommendation 3: Strengthen Population-Based Research on the Public Health Burden of Temporomandibular Disorders (TMDs)
The National Collaborative Research Consortium for TMDs along with other funders should expand and strengthen the collection, assessment, and dissemination of population-based data on the burden and costs of TMDs and the effects of TMDs on patient outcomes in order to improve the prevention (primary, secondary, and tertiary) and management of TMDs.
Near-term implementation actions:
Medium- to long-term implementation actions:
Recommendation 4: Bolster Clinical Research Efforts to Build the Evidence Base for Patient-Centered Care and Public Health Interventions for Temporomandibular Disorders (TMDs)
The National Collaborative Research Consortium for TMDs along with other funders should fund clinical and implementation research to clearly define effective treatments and continuously improve the quality of care for patients with a TMD. These near-term efforts should:
Throughout this report, the committee emphasizes a number of important elements of TMD care, including:
An important challenge in ensuring the availability of high-quality care for TMDs, particularly for those who have a TMD that is not easily resolved, is making sure that patients have access to coordinated care across medicine, dentistry, and other health professions. Innovative approaches and interprofessional efforts will be needed. Specialized TMD centers, especially for individuals that need multiple types of care, would be vital and could contribute significantly to telehealth options for improving access to specialty care as well as to innovative approaches to health professional education, clinical research, and data collection and analysis. Much remains to be learned about how to individualize patient care to the extent possible in order to provide the most effective management and treatment options for that individual.
Recommendation 5: Improve the Assessment and Risk Stratification of Temporomandibular Disorders (TMDs) to Advance Patient Care
Diagnostic tools and resources for TMDs should be improved for the initial assessment by primary care clinicians and dentists and for referrals to specialists as needed. These efforts should include the development of decision criteria for risk stratification to aid in identifying patients who are likely to escalate from self-limiting and localized symptoms to a systemic pain condition and then to high-impact pain. Initial instruments will be based on the current understanding of TMD science, though limited, and should be informed by the science as it evolves.
Near-term implementation actions:
(ADA), the American Academy of Orofacial Pain, and The TMJ Association, in collaboration with the American Academy of Family Physicians, Society of General Internal Medicine, American College of Rheumatology, and other relevant professional organizations and stakeholders should:
Medium- to long-term implementation actions:
Recommendation 6: Develop and Disseminate Evidence-Based Clinical Practice Guidelines and Quality Metrics for Care of Temporomandibular Disorders (TMDs)
Clinical practice guidelines should be developed and widely disseminated that provide evidence-based pathways for the initial recognition and stepped care management of TMDs and for specialty care for patients with TMDs. Once clinical practice guidelines are developed, clinical performance measures should be deployed in quality improvement initiatives.
Near-term implementation actions:
convene stakeholders (including the American Dental Association [ADA], American Academy of Family Physicians, Society of General Internal Medicine, American Association of Nurse Practitioners, and The TMJ Association) to develop evidence-based consensus clinical practice guidelines for dentists and primary care clinicians to guide diagnosis, initial treatment, and referral strategies for patients with TMD symptoms.
Medium- to long-term implementation actions:
Recommendation 7: Improve Reimbursement and Access to High-Quality Assessment, Treatment, and Management of Temporomandibular Disorders (TMDs)
Insurers and health care systems across dentistry and medicine should provide consistent, fair, equitable, and appropriate insurance coverage for safe and effective treatments for TMDs.
Near-term implementation actions:
Medium- to long-term implementation actions:
Recommendation 8: Develop Centers of Excellence for Temporomandibular Disorders (TMDs) and Orofacial Pain
Centers of Excellence for TMDs and Orofacial Pain should be established to provide comprehensive evaluations and treatment of individuals with TMDs; to serve as a resource for clinicians (including interprofessional consultations and telehealth opportunities); to contribute to the research base for TMDs; and to provide onsite and virtual education and training, particularly continuing education, for a range of health care professionals. Centers should involve a range of specialists across medicine, dentistry, and other areas of health care and should include patient representatives in the planning and implementation.
Near-term implementation actions:
Medium- to long-term implementation actions:
A critically important component of improving care for TMD patients is ensuring that health care professionals (across medicine and dentistry) have the professional education and training they need on TMDs—that they have the basic knowledge about the set of TMDs and that they are up to date on current research findings and best practices for TMD care. Primary care clinicians—including family physicians, pediatricians, general dentists, nurse practitioners, and physician assistants—need to be well aware that a wide array of disorders are grouped as TMDs and that there
are initial care practices (including self-management) that can be useful to many patients. Furthermore, they need to know when to refer patients for specialty care and to which specialists to refer patients.
Additionally, relatively few orofacial pain and TMD specialists are credentialed by independent organizations to provide TMD care. The recommendations below point to actions needed to increase the number of qualified specialists and to provide those specialists with the interprofessional training and expertise needed to equip them to help patients bridge the gaps across medicine and dentistry and obtain full and complete care.
Recommendation 9: Improve Education and Training on Temporomandibular Disorders (TMDs) for Health Care Professionals
Health professional schools and relevant professional associations and organizations across medicine, dentistry, nursing, physical therapy, and all other relevant areas of health care should strengthen undergraduate, graduate, pre- and postdoctoral, residency, and continuing education curricula in pain management, orofacial pain, and TMD care for health professionals and work to ensure interprofessional and interdisciplinary training opportunities.
Near-term implementation actions:
National Council Licensure Examination, United States Medical Licensing Examination, and National Physical Therapy Exam) should expand and improve exam questions about pain management and TMDs, moving beyond physiology and diagnosis and toward treatment and management.
Medium- to long-term implementation actions:
Recommendation 10: Establish and Strengthen Advanced/Specialized Training in Care of Orofacial Pain and Temporomandibular Disorders (TMDs)
The number and quality of health care professionals with specialized training in pain management, orofacial pain, and TMDs should be increased, recognizing the existence of such barriers as reimbursement and recognition of the practice of orofacial pain.
Near-term implementation actions:
Individuals with a TMD and their families have contributed significantly to the progress that has been made in TMD research and care. They are among the most persuasive advocates and educators as they have a firsthand picture of the disorder and its impact. There is a need for patients and their families to have consumer-friendly tools and educational resources to enable them to become more informed for their own well-being and, if they so decide, to inform others and advocate for change.
Recommendation 11: Raise Awareness, Improve Education, and Reduce Stigma
Evidence-based communications and patient-focused tools related to temporomandibular disorders (TMDs) should be strengthened, promoted, and widely disseminated through multiple avenues for adults and youth of all health literacy levels and in multiple languages to raise public awareness about TMDs, improve the resources available to patients and families, and reduce the stigma related to TMDs. Specific implementation steps should include:
Near-term implementation actions:
Medium- to long-term implementation actions:
Through commitment, dedicated efforts, and interdisciplinary collaborations, the bold goals outlined in this report (and briefly outlined in Box 8-1) can be accomplished to improve the lives of individuals with a TMD.
IOM (Institute of Medicine). 2011. Advancing oral health in America. Washington, DC: The National Academies Press.
Mertz, E. A. 2016. The dental-medical divide. Health Affairs 35(12):2168–2175.
NIH (National Institutes of Health). 2020. Actual total obligations by institute and center, FY 2001—FY 2019. https://officeofbudget.od.nih.gov/pdfs/FY21/spending-hist/Actual%20Obligations%20By%20IC%20FY%202000%20-%20FY%202019%20(V).pdf (accessed March 4, 2020).