Korean J Orthod.  2011 Oct;41(5):371-378. 10.4041/kjod.2011.41.5.371.

Correction of a maxillary canine-first premolar transposition using mini-implant anchorage

Affiliations
  • 1Department of Orthodontics, Faculty of Dentistry, Yeditepe University, Turkey. ooztoprak@hotmail.com

Abstract

Transposition is defined as a dental anomaly manifested by a positional interchange of 2 adjacent teeth within the same quadrant of the dental arch. Maxillary canine-first premolar [Mx4-3] transposition is the most frequent tooth transposition reported in the literature. In this case report, an orthodontic correction of a transposition of the maxillary left canine and first premolar with the help of palatally located mini-implant anchorage is described. Esthetic and occlusal evaluations suggested alignment of the transposed teeth to their correct anatomic positions in the dental arch. The clinical result at the end of the treatment was satisfactory. Alignment was obtained, and intercuspation was adequate. Nevertheless, the maxillary canine showed facial recession, probably because it was initially positioned buccally. Supporting tissue was examined after treatment and no alveolar bone damage was observed.

Keyword

Transposition; Orthodontic mini-implant; Tooth movement; Anchorage

MeSH Terms

Bicuspid
Dental Arch
Tooth
Tooth Movement
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