ORTHODONTIC TRACTION OF HORIZONTALLY IMPACTED MAXILLARY INCISORS: CASE REPORTS

Kim, Mi-Ni; Kim, Young-Jae; Kim, Jung-Wook; Jang, Ki-Taek; Kim, Chong-Chul; Hahn, Se-Hyun; Lee, Sang-Hoon

Journal of the Korean Academy of Pediatric Dentistry 2008;35(4):757-765.
Published online November 30, 2008.

ORTHODONTIC TRACTION OF HORIZONTALLY IMPACTED MAXILLARY INCISORS: CASE REPORTS

Mi-Ni Kim, Young-Jae Kim, Jung-Wook Kim, Ki-Taek Jang, Chong-Chul Kim, Se-Hyun Hahn, Sang-Hoon Lee

Department of Pediatric Dentistry, College of Dentistry and Dental Research Institute, Seoul National University

수평 매복된 상악 중절치의 교정적 견인: 증례 보고

김미니, 김영재, 김정욱, 장기택, 김종철, 한세현, 이상훈

서울대학교 치과대학 소아치과학교실 및 치의학연구소

Correspondence: Sang-Hoon Lee, Tel: 02-2072-2682, Email: kmn64@hanmail.net

Received: 2 June 2008 • Accepted: 26 September 2008

Abstract

Maxillary central incisor impactions occur infrequently. Their origins include various local causes, such as odontoma, supernumerary teeth, space loss, and disturbances in the eruption path, also trauma and apical follicular cysts. Impacted teeth can cause serious dental and aesthetic difficulties as well as psychological problems especially in anterior regions. Although the impaction of maxillary incisor occurs less frequently than that of the maxillary canine, it is of concern to parents during the early mixed dentition stage because of the uneruption of the tooth. Forced eruption of impacted teeth should be considered in young patients because this technique can lead to suitable results from a periodontal, occlusal, and esthetic perspective at an earlier stage better than with other treatment options. This report presents the surgical and orthodontic treatment of cases with horizontally impacted and dilacerated maxillary central incisors. For each patient, we used the closed eruption method, placed an attachment on the impacted tooth on surgery, and fully closed the flap. Traction was applied immediately. The impacted tooth erupts through the healed tissue in a manner resembling normal eruption.

Key Words: Horizontally impacted tooth, Orthodontic traction, Dilaceration, Maxillary central incisor