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Goal: This clinical study aims to investigate how the range of motion of the temporomandibular joints (TMJ) changes in relation to the patient's head posture. Furthermore, we will assess the efficacy of a specific physiotherapy program in improving TMJ mobility and influencing head alignment in patients undergoing orthodontic treatment or prosthetic reconstruction.
Scope: The project will evaluate TMJ function and head alignment in orthodontic or prosthetic patients aged 11-65. The core focus is to analyze the correlation between head posture and TMJ mobility and to measure changes in these parameters before and after the manual physiotherapy intervention.
Full description
This study is designed to address the complex and often debated biomechanical relationship between craniocervical posture (head-to-neck alignment) and the function of the temporomandibular joint (TMJ). Clinical evidence suggests a strong link between forward head posture and temporomandibular disorders (TMDs). However, objective quantification of TMJ mobility changes induced purely by varying head position remains insufficiently documented. This trial seeks to establish a clear, quantifiable relationship and evaluate a targeted manual therapy intervention designed to optimize both head posture and TMJ function.
Objectives and Specific Aims
The overarching goal is to determine the dependence of temporomandibular joint mobility on the patient's head posture relative to the body, and to assess the impact of a defined physiotherapy program on these parameters.
Specific Aims include:
Functional Assessment: To perform a baseline functional evaluation of the TMJ in patients (aged 11 to 65) who are undergoing orthodontic treatment or require prosthetic reconstruction.
Postural Measurement: To objectively assess the resting position of the head relative to the cervical spine in the context of the current dental state (orthodontic appliance use or pre-prosthetic condition).
Correlational Analysis: To establish and quantify the relationship between measured TMJ mobility (e.g., maximum mouth opening, lateral excursion) and various head postures (e.g., neutral, forward, retracted).
Intervention Efficacy: To conduct a detailed pre- and post-intervention functional evaluation of the TMJ and head posture following the completion of a defined physiotherapy program for all eligible participants.
Change Quantification: To determine the magnitude and direction of changes in both TMJ mobility and head alignment resulting from the implemented physiotherapy protocol.
Study Design and Methodology
This will be a multi-center, prospective, interventional study with a pre- and post-intervention assessment design. Participants will be recruited from dental and physiotherapy clinics.
Participants: The study population will include patients aged 11 to 65 years who are either undergoing active orthodontic treatment or are scheduled for complex prosthetic reconstruction.
Intervention: The intervention group will receive a standardized program of manual physiotherapy and exercises. The program will be delivered over a fixed duration (e.g., 6 weeks, 12 sessions).
Outcome Measurement: All measurements will be performed at baseline (Pre-Intervention) and upon completion of the physiotherapy program (Post-Intervention).
TMJ Mobility: Measured objectively using a Jaw Motion Analyzer Axiograph
Maximum unassisted and assisted mouth opening (MIO/MMO), left and right lateral excursions, protrusion/retrusion.
Head Posture: Measured objectively using established clinical photography methods and.CROM device
Duration and Follow-up
The total duration of the study is anticipated to be 3 years for recruitment and data collection. Each participant's active involvement will span [e.g., 8 weeks], encompassing baseline assessment, the physiotherapy period, and the final assessment. No long-term follow-up beyond the final assessment is currently planned.
Data Analysis
Statistical analysis will employ methods appropriate for repeated measures. Primary analysis will focus on calculating Pearson's correlation coefficients to assess the relationship between initial head posture and TMJ mobility. Secondary analysis will utilize paired t-tests (or non-parametric equivalents) to determine the statistical significance of changes in TMJ mobility and head posture between the pre- and post-intervention phases. (Include specific statistical software, e.g., SPSS or R, if applicable).
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100 participants in 1 patient group
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Central trial contact
Łukasz Kaczmarek
Data sourced from clinicaltrials.gov
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