Comparative Study on the Morphology and Position of Condyles with Different Vertical Skeletal Facial Types in Skeletal Malocclusion Class Ⅲ Patients
Liu Chun
Fang Xiaoming
Hu Wenwu
Abstract：Objective:To study the characteristics of condylar morphology and position with different vertical skeletal facial types in Skeletal Malocclusion Class Ⅲ patients.Methods:Cone Beam computed tomography(CBCT)Dicom datas were collected from 39 adult patients with skeletal ClassⅢ malocclusion.They were divided into low-angle groups,normol-angle groups,and high-angle groups.Measurement and analysis were conducted using the software Dolphin imageing 11.9.The relevant indicators of condylar morphology and position were measured.Results:The data had good consistency on both sides of the condyles in the three groups.There were no statistically significant differences in the antero-posterior condylar diameters and the horizontal angle(F=0.603,0.013;P＞0.05).The low-angle groups had the largest inner-outer diameter,followed by the normol-angle groups,and the high-angle groups,the mesial,lateral,and central space all showed the largest in the low-angle group,followed by the normol-angle group,and the smallest in the high-angle group,with statistically sibnificant difference(F=2.852,5.244;P＜0.05).Observed from the coronal plane,the intra-articular,extra-articular and superior spaces of the three groups of patients were relatively consistent,and the differences were statistically significant(F=4.134,3.604,7.649;P＜0.05).Conclusion:Class Ⅲ malocclusion patients with different vertical skeletal patterns have different positions and forms of condyles.The condyle morphology of low-angle patients is greater,and larger spaces in the coronal and vertical directions,which should be paid attention to in clinical diagnosis and treatment.
Keywords：Vertical bone surface shapeBone typeⅢCondylar process positionJoint spaceCondylar morphology
Publication Date：2025-09-25
Online Publishing Date：2025-10-09(First online date of this platform, not the publication date of the document)
Pages：4( 2216-2218,2222 )