Cephalometric analysis on the morphology of mandibular angle and its relationship with adjoining craniomaxillofacial structures / 中华医学美学美容杂志

ABSTRACT

Objective To make cephalometric analysis on the morphology of mandibular angle and its relationship with adjoining craniomaxillofacial structures in adults, and to discuss the application of the results in preoperative analysis and operation design. Methods Cephalometric analysis was made on the following parameters in 30 adults (15 men and 15 women) for frontal and lateral cephalometric radiograms the distance between the mandibular angles (Go Go) and between the malar points (Zy Zy), and the mandible mental angels (Zy Go Me) on an anteroposterior cephalometric radiograph; the gonial angle (Ar Go Me), mandibular plane sella nasion angle (MP SN) and ramus plane sella nasion angle (RP SN). Results Go Go in male was (130?6) mm, female (116?6) mm; Zy Zy in male was (156?5) mm, female (146?5) mm; Zy Go Me in male was (117?5)?, female (119?5)?; Ar Go Me in male was (117?5)?, female (119?5)?; MP SN in male was (27?5)?, female (29?5)?; RP SN in male was (94?5)?, female (93?5)?. Conclusion The morphology of mandibular angle should be envisioned in three directions. The results of evaluation can be served as the reference of preoperative analysis and surgery design.