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International Journal of Frontiers in Medicine, 2023, 5(3); doi: 10.25236/IJFM.2023.050315.

Effect of abnormal occlusal contact on temporomandibular joint


Xin Xie1,2, Zhongcheng Gong1,2

Corresponding Author:
Zhongcheng Gong

1Oncological Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital of Xinjiang Medical University, School/Hospital of Stomatology, Xinjiang Medical University, Urumqi, 830054, Xinjiang Uygur Autonomous Region, China

2Stomatological Research Institute of Xinjiang Uygur Autonomous Region, Urumqi, 830054, Xinjiang Uygur Autonomous Region, China


Occlusion, temporomandibular joint and masticatory muscle are in a functional system, which cooperate and influence each other. When any one of these elements is abnormal, it will affect the function of other elements. The normal occlusal relationship is the convex-concave relationship of apical fossa contact, and the masticatory movement trajectory is teardrop-like, which is helpful to promote the normal mandibular functional movement. The abnormal occlusal contact relationship changes the convex-concave relationship of apical fossa contact into convex relationship, which will form abnormal masticatory movement trajectory, and may even cause abnormal movement and stress of temporomandibular joint and abnormal contractile activity of masticatory muscle. The longer the duration of this abnormal occlusal relationship, the greater the damage to bone and soft tissue. scissors bite, openbite and crossbite are common occlusal abnormalities in clinic, so this article will focus on the effects of these three abnormal occlusal contacts on the temporomandibular joint.


abnormal occlusal contact; Temporomandibular joint; scissors bite; openbite; crossbite; Masticatory muscles

Cite This Paper

Xin Xie, Zhongcheng Gong. Effect of abnormal occlusal contact on temporomandibular joint. International Journal of Frontiers in Medicine (2023), Vol. 5, Issue 3: 83-87. https://doi.org/10.25236/IJFM.2023.050315.


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