Objective: Studying the relative position of supra- orbital foramen (notch), infra - orbital foramen and mental foramen and their construction, to supply the human research information and provide the evidence for the clinical work.

Result: The mental foramen of some specimen were be distal to the secondary premolar.

Treatment effect of submental artery skin flap and expanded cervical flap on chin scar;

Objective To evaluate whether there is difference with regard to chin morphology in subjects with different vertical skeletal craniofacial pattern and the relationship among them.

Objective To study anatomic and computed tomographic measurements of Chinese mandibular genial tubercles and to evaluate the correlations between them.

Treatment of prominent malar complex and microgenia;