骨性III类错牙合畸形的非手术治疗
Non-surgical treatment of skeletal class III malocclusion.
作者信息
Kapadia Romina M, Shah Adit P, Diyora Shamil D, Rathva Vandana J
机构信息
Department of Orthodontics, K M Shah Dental College and Hospital, Vadodara, Gujarat, India.
出版信息
BMJ Case Rep. 2014 Apr 10;2014:bcr2013202326. doi: 10.1136/bcr-2013-202326.
The incidence of skeletal class III malocclusion has a mean of 3% in the Caucasian population, 5% in African-American adolescents and about 14% in the Asian population. In India, the incidence of class III malocclusion is reported to be 3.4%. A patient having class III malocclusion shows findings ranging from edge-to-edge bite to large reverse overjet, with extreme variations of underlying skeletal jaw bases and craniofacial form. This is a case report of a 20-year-old man having skeletal class III malocclusion with concave profile, anterior crossbite and a negative overjet of 3 mm treated non-surgically with extraction of only one lower left first premolar.
在白种人群中，骨性III类错牙合的发病率平均为3%，在非裔美国青少年中为5%，在亚洲人群中约为14%。在印度，据报道III类错牙合的发病率为3.4%。患有III类错牙合的患者表现出从对刃牙合到较大反覆盖的各种情况，其潜在的骨骼颌骨基础和颅面形态存在极大差异。这是一例关于一名20岁男性的病例报告，该患者患有骨性III类错牙合，面型凹陷，前牙反牙合，反覆盖3mm，仅通过拔除左下第一前磨牙进行非手术治疗。
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