| Summary: | <p>Abstract</p> <p>Objective</p> <p>The purpose of this study was to determine the condylar volume in subjects with different mandibular divergence and skeletal class using cone-beam computed tomography (CBCT) and analysis software.</p> <p>Materials and methods</p> <p>For 94 patients (46 females and 48 males; mean age 24.3 ± 6.5 years), resultant rendering reconstructions of the left and right temporal mandibular joints (TMJs) were obtained.</p> <p>Subjects were then classified on the base of ANB angle the GoGn-SN angle in three classes (I, II, III) . The data of the different classes were compared.</p> <p>Results</p> <p>No significant difference was observed in the whole sample between the right and the left sides in condylar volume.</p> <p>The analysis of mean volume among low, normal and high mandibular plane angles revealed a significantly higher volume and surface in low angle subjects (p < 0.01) compared to the other groups.</p> <p>Class III subjects also tended to show a higher condylar volume and surface than class I and class II subjects, although the difference was not significant.</p> <p>Conclusions</p> <p>Higher condylar volume was a common characteristic of low angle subjects compared to normal and high mandibular plane angle subjects. Skeletal class also appears to be associated to condylar volume and surface.</p>
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