Retrognathia is a type of malocclusion which refers to an abnormal posterior positioning of the maxilla or mandible, particularly the mandible, relative to the facial skeleton and soft tissues.A retrognathic mandible is commonly referred to as an overbite, though this terminology is not used medically.
Diagram at brooksideorthodontics.com - see Classification of Face:Class 2 section
Li plis nan WikipediaTape yon sentòm oswa yon maladi epi li sou remèd fèy ki ta ka ede, tape yon zèb ak wè maladi ak sentòm li itilize kont.
* Tout enfòmasyon baze sou rechèch syantifik pibliye