Effect of Different Angulations of Impacted Maxillary Canine on Root Resorption of adjacent teeth Using Cone Beam Computed Tomography: A Retrospective Study.

Introduction: Permanent maxillary canine impaction is a common problem.Impacted canines can cause variable degrees of resorption on the roots of surroundingteeth, particularly the lateral incisors. Aim: The objective of this study was to evaluatethe effect of different angulations of impacted maxillary canine on root resorptionof adjacent teeth using cone-beam computed tomography (CBCT). Materials andMethods: The sample included 30 CBCTs presenting with unilateral or bilateralimpacted maxillary canines, ranging in age from 15 to 30 years that were collected.from the Department of Radiology, Faculty of Dentistry, Suez Canal University. Canineangulation relative to the maxillary occlusal plane and adjacent lateral incisor wasmeasured, as well as the locations of the impacted canines. Results: The results ofthe current study showed (58.8 %) with slight resorption and (26.5%) with moderateresorption of lateral incisor root. There was a statistically significant relationship < br />between root resorption severity and angulation of impacted maxillary canine relativeto the lateral incisor. The angle of the impacted maxillary canine with the occlusal planecan`t solely rely on determining the severity of root resorption (RR). Conclusion: RRoccurs due to the proximity of the impacted maxillary canine to the adjacent lateralincisor KEYWORDS: Cone beam computed tomography, Impacted canine, Lateralincisor Root resorption.