Restorative dentistry has never been more precise. Intraoral scanners capture the dentition with remarkable accuracy. Cone-beam computed tomography (CBCT) renders the teeth, bone, and surrounding anatomy in three dimensions. Digital occlusal analysis and jaw-tracking systems let us evaluate function in ways articulating paper and static casts never could. As a profession, we have continually pursued greater precision through advances in technology, training, and comprehensive diagnostic protocols.
That progress raises a question I find myself returning to more often: Are there clinical variables outside the dentition that our treatment planning still overlooks? Among the factors that may deserve greater consideration is cervical posture—particularly its relationship to head position, mandibular position, masticatory muscle function, and the occlusal assessments we perform every day.
My thinking on this traces back to something I learned early in my career from Dr. Peter Dawson: when we restore teeth, we are never treating them in isolation. The temporomandibular joints, the masticatory muscles, mandibular movement, and occlusion form a single functional system, and restorative treatment has to account for the environment in which that system operates. This raises a natural follow-up question: If the joints and muscles matter to restorative stability, shouldn’t the position of the head and neck matter too?
That question requires some perspective. The relationship among cervical posture, mandibular position, and masticatory muscle activity is complex, and it would be an overreach to suggest that cervical dysfunction causes malocclusion—or that restorative dentists should diagnose or treat cervical disorders beyond the scope of our training. Still, there are sound anatomical reasons to recognize that the craniofacial and upper cervical systems do not function entirely in isolation. Trigeminal afferents from the craniofacial region converge with upper cervical afferents within the trigeminocervical complex, providing a neuroanatomical basis for sensory interaction and referred pain between the cervical and craniofacial regions.1
From a restorative standpoint, the more meaningful issue is not whether the neck “causes” an occlusal problem. Rather, it is whether changes in head and cervical position can alter the conditions under which we assess mandibular position, masticatory muscle function, and occlusal contacts—and whether those conditions should therefore be considered when restorative records are obtained and treatment decisions are made.
Most of us have seen this play out chairside without necessarily naming it. Clinically, occlusal contacts can appear different as a patient changes head position. I’ve noticed this when adjusting an occlusal appliance, checking a provisional restoration, or performing an occlusal adjustment. This is not simply anecdotal. Studies using computerized occlusal analysis have demonstrated measurable changes in tooth contact patterns with changes in head posture.2 A change in contact pattern should not automatically be attributed to the cervical spine, but the observation is still relevant: we are evaluating occlusion within a postural environment that itself can change.
That consideration may become even more relevant over the course of a full-mouth rehabilitation. A patient in comprehensive restorative treatment may remain in provisionals for weeks or months while we evaluate comfort, function, muscle response, and occlusal stability. During that period, a patient’s musculoskeletal status is not necessarily fixed. Neck symptoms may develop. Physical therapy or chiropractic care may begin. A previous injury may flare. If a patient later reports a change in the way the bite feels, or if I notice a shift in contacts or muscle comfort, I would not immediately attribute that change to the neck—I would, however, consider whether a change in head or cervical position might be one of several factors worth evaluating.
In practice, this does not need to be complicated. I’ve started asking patients undergoing extensive restorative treatment about significant neck symptoms or ongoing cervical care, just as I would ask about any other relevant medical history. When a meaningful musculoskeletal change occurs during the provisional phase, I treat it as a cue to reassess before finalizing treatment—not as something to diagnose myself, but as a reason to involve the appropriate specialist, whether that is a physical therapist, chiropractor, or physician.
None of this requires restorative dentists to become experts in cervical spine pathology. It asks something more modest: that we recognize cervical posture as one of several variables that may influence what we observe chairside, particularly when evaluating mandibular position, muscle function, and occlusal contacts. Sometimes a more complete restorative diagnosis begins by looking just beyond the teeth.
About the author
Alex Kim, DMD, MAGD, FICOI, FAES, FACD, D. ABDSM, maintains a private practice in San Diego, California, with a focus on comprehensive restorative and cosmetic dentistry. He serves as Associate Faculty at The Dawson Academy. His clinical and educational interests include implant dentistry, temporomandibular disorders, dental sleep medicine, and the integration of cervical posture and occlusion into comprehensive diagnosis and treatment planning.
References
1. Pankrath F, Pelai EB, de Oliveira-Souza AIS, et al. Integration of nociceptive activity from orofacial, cranial and cervical regions in the trigeminocervical nucleus: a scoping review with clinical implications. J Oral Facial Pain Headache. 2025;39(3):1-12.
2. Gupta S, Tarannum F, Gupta NK, Upadhyay M, Abdullah A. Effect of head posture on tooth contacts in dentate and complete denture wearers using computerized occlusal analysis system. J Indian Prosthodont Soc. 2017;17(3):250-254.
Figures and Images
Alex Kim, DMD
