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The Relationship Between Jaw Alignment and TMD

Posted on 9/25/2023 by Summit Dental Group
The Relationship Between Jaw Alignment and TMDThe position and function of the jaw can significantly impact oral health. One area of interest is the potential link between jaw alignment and temporomandibular joint disorder (TMD). Exploration of this relationship enhances our comprehension of TMD and empowers patients.

Understanding Jaw Alignment

Ideal jaw alignment involves the upper and lower teeth fitting properly together to facilitate effective chewing and biting. Misalignment occurs when the position of the jaw or teeth impedes proper closure. Malocclusion, overbites, underbites, and crooked teeth are common examples. Genetics, injury, or developmental issues can cause misalignment.

TMD Overview

TMD affects the temporomandibular joints connecting the jawbone to the skull along with the muscles enabling jaw function. TMD often manifests in symptoms like pain or soreness in the face and jaw, clicking sounds during chewing, headaches, and limited range of motion. Stress, arthritis, injury, clenching/grinding, and genetic predisposition can prompt TMD.

Exploring the Potential Link

Research indicates a potential correlation between jaw misalignment and TMD, although a definitive causal relationship remains unconfirmed. Nonetheless, alignment irregularities may exacerbate TMD in some patients by altering the mechanics of chewing and biting, increasing wear on joints and muscles. However, many individuals with misaligned jaws do not develop TMD. More research is needed to determine predictive risk factors.

Treatment Options

Treatments like physical therapy, mouthguards, analgesics, and stress reduction help manage TMD. Realigning procedures such as braces, or surgery may alleviate TMD symptoms associated with misaligned jaws. Patients should thoroughly discuss the pros/cons of these options with dentists.


The jaw's positioning can meaningfully influence oral health. Ongoing research strives to elucidate the intricacies of the relationship between alignment and TMD to improve patient care. Increased knowledge empowers patients and providers to make informed decisions about their oral health cooperatively.
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