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Treatment of a severe Class II Division 1 malocclusion combined with surgical miniscrew anchorage.

Pisek, Poonsak; Manosudprasit, Montian; Wangsrimongkol, Tasanee; Keinprasit, Chutimaporn; Wongpetch, Raweewan.
Am J Orthod Dentofacial Orthop; 155(4): 572-583, 2019 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-30935612
This article reports the camouflage treatment of a female patient, aged 15 years 2 months, who had a Class II Division 1 malocclusion with severe anterior protrusion and deep incisor overbite. The camouflage treatment plan included bilateral extraction of the maxillary first premolars combined with the use of temporary anchorage devices (TADs) and tension coil springs to retract canines into the extraction spaces and then the 4 incisors. The treatment included use of a mandibular fixed labial arch with minimal use of Class II elastics to correct mild mandibular spacing and level the curve of Spee. Ideal overjet and overbite relationships were established, and the final result was well balanced and esthetically pleasing. The molars were finished in a Class II relationship. Total treatment time was 2 years 6 months. Cephalometric superimpositions revealed that mandibular molars were not disturbed by the limited use of Class II elastics. Surgical miniscrews in canine and incisor retraction in Class II Division 1 malocclusion are an alternate type of temporary anchorage that reduce or remove reliance on conventional intermaxillary anchorage.
Selo DaSilva