Facial developmental deformities (I).

The article provides information on the causes of facial developmental deformities. It discusses the types of maxillo-facial malformations that differ from the characteristics of facial developmental deformity, including congenital deformities, acquired deformities and deformities due to temporo-mandibular ankylosis, and the causes of these malformations. It also discusses the original concept of the terms "retrognathism" and "prognathism." Details on how to get rid of facial deformities are provided.