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[Analysis of treatment templates of Angle's Class III malocclusion patients]. 2009

Sa Li, and Tian-Min Xu, and Jiu-Xiang Lin
Dept. of Orthodontics, School of Stomatology, Peking University, Beijing 100081, China.

OBJECTIVE To analyze the morphological characters of Angle's Class III malocclusion patients and the relationship between characters and treatment options. METHODS A total of 472 Class III patients were collected during 1997-2000. The standardized coordinates' values of the patients were obtained by Procrustes superimposition (PS). Cluster analysis was carried out to divide the patients into different subdivisions and the relationship between treatment options and subdivisions was analyzed. RESULTS 472 patients were divided into 14 subdivisions with special characters. The morphological templates were formed by computer. There were certain relationships between characters and treatment options. CONCLUSIONS The mechanism of malocclusion of different Class III patients are not necessarily same. The typing has significance to choose the treatment method.

UI MeSH Term Description Entries
D008297 Male Males
D008310 Malocclusion Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest efficiency during the excursive movements of the jaw that are essential for mastication. (Jablonski, Illustrated Dictionary of Dentistry, 1982) Angle's Classification,Crossbite,Tooth Crowding,Cross Bite,Angle Classification,Angles Classification,Bite, Cross,Bites, Cross,Classification, Angle's,Cross Bites,Crossbites,Crowding, Tooth,Crowdings, Tooth,Malocclusions
D008313 Malocclusion, Angle Class III Malocclusion in which the mandible is anterior to the maxilla as reflected by the first relationship of the first permanent molar (mesioclusion). Angle Class III,Habsburg Jaw,Hapsburg Jaw,Prognathism, Mandibular,Underbite
D009967 Orthodontic Appliances Devices used for influencing tooth position. Orthodontic appliances may be classified as fixed or removable, active or retaining, and intraoral or extraoral. (Boucher's Clinical Dental Terminology, 4th ed, p19) Appliance, Orthodontic,Appliances, Orthodontic,Orthodontic Appliance
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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