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A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
Published on: January 11, 2018
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Association between mandibular condylar position and clinical dysfunction index.
Maryam Paknahad1, Shoaleh Shahidi2
1Oral Radiology Department, Dental School, Shiraz University of Medical Sciences, Shiraz, Iran.
Summary
Mandibular condylar position correlates with temporomandibular joint dysfunction (TMD) severity. Mild to moderate TMD shows anterior condylar positioning, while severe TMD indicates posterior positioning.
Area of Science:
- Dentistry
- Radiology
- Orthodontics
Background:
- Condylar position within the glenoid fossa is linked to temporomandibular disorders.
- Understanding this relationship is crucial for diagnosing and managing temporomandibular joint dysfunction (TMD).
Purpose of the Study:
- To investigate the correlation between the clinical dysfunction index (Di) and mandibular condylar position in TMD patients.
- To utilize cone beam computed tomography (CBCT) for precise condylar assessment.
Main Methods:
- A cross-sectional study involving 60 TMD patients (120 temporomandibular joints) was conducted.
- Patients were categorized into three groups based on Helkimo's clinical dysfunction index (Di).
- Condylar position was analyzed using CBCT imaging, with statistical analysis (chi-square test) applied.
Main Results:
- Significant differences in condylar position were observed across the three Di groups (p < 0.05).
- Mild to moderate TMD (Di I, II) was associated with anteriorly and concentrically seated condyles.
- Severe TMD (Di III) demonstrated a correlation with posteriorly seated condyles.
Conclusions:
- Mandibular condylar position is significantly associated with the varying severity of temporomandibular joint dysfunction.
- CBCT imaging provides valuable insights into the relationship between condylar morphology and TMD.

