Jaw abnormality sagittally divides the face into five equal parts: It is insufficient to derive at a diagnosis of jaw deformity solely based on the clinical examination. Hence, additional information is gathered from diagnostic tests, which may include dental model analyses and radiographic imaging studies. Mandibular micrognathia is the condition when lower jaw is smaller than normal. Failure of the ramus to develop will give rise to micrognathia.<ref name="Elsevier/Churchill Livingstone"></ref> Micrognathia can be classified as either congenital or acquired. Clinical appearance of some patients with congenital type of mandibular micrognathia can have a severe retrusion of the chin but by actual measurements,
Jaw Shaw-kong He also owned News98 and served as its president. In 2004, Jaw, a staunch supporter of unification, was invited to debate the referendum on Cross-Strait relations. In 2006, Jaw acquired the Broadcasting Corporation of China. He has also hosted his own radio and television programs. Though Jaw is of Mainlander ancestry, he is fluent in Taiwanese Hokkien. He is married to Liang Lei. Jaw's younger brother Chao Shao-wei has served as president of the Taipei Artist Agency Association. Jaw Shaw-kong Jaw Shaw-kong (; born 6 May 1950) is a Taiwanese media personality and politician. Jaw earned a degree in agricultural