Age changes of the facial skeleton.
а – profiles of a young man (22-year-old) and an old man (71-year-old) crania laid on each other;
б – changes in soft tissues conditioned by reduction of masticatory apparatus;
в – correlation of head soft tissues and cranium of a young Uzbek (19-year-old);
г – correlation of head soft tissues and cranium of an old Chinese man (61-year-old)