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4/2025
vol. 29 abstract:
Original paper
Functional assessment of temporomandibular joints with consideration of cervical spine range of motion: Proposal for modification of standard axiographic examination – a case report
Łukasz Kaczmarek
1, 2
,
Beata Kaczmarek
1, 2
,
Andrzej Myśliwiec
2
,
Anna Lipowicz
3
,
Krzysztof Dowgierd
4
Physiotherapy Review, 2025, 29(4), 73–80
Online publish date: 2025/12/22
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Introduction
The temporomandibular joints (TMJs) play a crucial role in the functioning of the masticatory system. TMJ dysfunctions may manifest as pain, limited range of motion, and altered body posture. Digital axiography is an objective method for evaluating TMJ function. Aims The aim of this case study was to assess, using Zebris digital axiography, the effect of head position on mandibular range of motion in a patient with skeletal Class II open bite and TMJ-related pain Case report igital axiography was performed in three head positions: neutral, and maximum lateral flexion to the left and right. The results demonstrated significant changes in mandibular motion parameters depending on head position. Compared with the neutral position, lateral head flexion resulted in a reduction in laterotrusion (by 20.5% to the left and 22.9% to the right) and in mouth opening (by 9.1% to the left and 26.8% to the right). Summary These findings indicate that head position affects TMJ biomechanics and highlight the importance of considering head position during diagnosis and treatment planning in patients with open bite. keywords:
temporomandibular joint; orthognathic surgery; open bite; head position; mandibular range of motion; digital axiography |