Management of Displaced Maxillary Canines by Extraction of the Primary Canine: Factors Affecting Treatment Outcome

The purpose of this study was to evaluate the effect interceptive primary canine extraction in palatally and buccally displaced maxillary permanent canines, analyze clinical radiographic factors affecting treatment outcome. 97 canines from 86 patients whose were mesio-occlusal directions overlapped with roots adjacent teeth analyzed. In 64 (66.0%) crown completely deviated lateral incisor root only by canine. Not characteristics such as bucco-palatal displacement direction, horizontal vertical position tip, presence apical closure, but also periapical rarefaction on peg-shaped significantly affected