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AARJMD VOLUME 3 ISSUE 4 (APRIL 2016) ISSN : 2319 - 2801 A Peer Reviewed International Journal of Asian Academic Research Associates AARJMD ASIAN ACADEMIC RESEARCH JOURNAL OF MULTIDISCIPLINARY EVALUATION OF CROWN-ROOT ANGULATION OF LATERAL INCISORS ADJACENT TO PALATALLY AND BUCCALLY IMPACTED CANINES DR. SADIA SHABBIR JUMANI1; DR IMTIAZ AHMED2 1 2 BDS, MDS Trainee, Ishrat ul Ibad Institute of Oral Health Sciences BDS, FCPS, M.orth, Associate professor, Ishrat ul Ibad Institute of Oral Health Sciences. Abstract Objective: The primary aim of this study was to determine if there is a difference in the mesiodistal crown root angulation of maxillary lateral incisors between patients with palatally and buccally impacted maxillary canine(PIC’s),(BIC’s) and those with normally erupted canines(NEC’s). Material and Methods: Opg records of 100 orthodontic patients who reported to the orthodontic department at DUHS were reviewed. A mixed model was used to test the difference in crown-to-root angulation of the lateral incisor between the experimental and the control groups. Results: The results showed that the roots of lateral incisors are 3.7 degree more mesially angulated when next to an impacted canine and that the roots of lateral incisors were 1.2 degree more angulated in bucally impacted canine than the palatal impacted canine. Asian Academic Research Journal of Multidisciplinary www.asianacademicresearch.org AARJMD VOLUME 3 ISSUE 4 (APRIL 2016) ISSN : 2319 - 2801 References 1. Warford, J.H.; Grandhi, R.K.; and Tira, D.E.: Prediction of maxillary canine impaction using sectors and angular measurement, Am. J. Orthod. 124:651-655, 2003. 2. S.E. Bishara Impacted maxillary canines: a review Am J Orthod Dentofacial Orthop, 101 (1992), pp. 159–171 3. S. Peck, L. Peck, M. Kataja The palatally displaced canine as a dental anomaly of genetic origin Angle Orthod, 64 (1994), pp. 249–256 4. B. Thilander, S.O. Jakobsson Local factors in impaction of maxillary canines Acta Odontol Scand, 26 (1968), pp. 145–168 5. J. Rayne The unerupted maxillary canine Dent Pract Dent Rec, 19 (1969), pp. 194–204 6. T.B. Bass Observations on the misplaced upper canine tooth Dent Pract Dent Rec, 18 (1967), pp. 25–33 7. L. Preda, A. La Fianza, E.M. Di Maggio, R. Dore, M.R. Schifino, R. Campani, et al. The use of spiral computed tomography in the localization of impacted maxillary canines Dentomaxillofac Radiol, 26 (1997), pp. 236–241 8. L. Walker, R. Enciso, J. Mah Three-dimensional localization of maxillary canines with cone-beam computed tomography Am J Orthod Dentofacial Orthop, 128 (2005), pp. 418– 423 9. Marisela M. Bedoya, Jae Hyun Park A Review of the Diagnosis and Management of Impacted Maxillary Canines The Journal of the American Dental Association, Volume 140, Issue 12, December 2009, Pages 1485-1493 10. Richardson G. A review of impacted permanent maxillary cuspids — diagnosis and prevention. J Can Dent Assoc. 2000;66:497–501. 11. Becker A, editor. The orthodontic treatment of impacted teeth. 2nd ed. Abingdon, Oxon, England: Informa Healthcare; 2007. pp. 1–228. 12. Baccetti T. A controlled study of associated dental anomalies. Angle Orthod. 1998;68:267–74. 13. Liuk IW, Olive RJ, Griffin M, Monsour P. Maxillary lateral incisor morphology and palatally displaced canines: a case-controlled cone-beam volumetric tomography study. Am J Orthod Dentofacial Orthop. 2013;143(4):522–6. 14. Stella Chaushu, Karolina Kaczor-Urbanowicz, Małgorzata Zadurska, Adrian Becker, Predisposing factors for severe incisor root resorption associated with impacted maxillary canines, American Journal of Orthodontics and Dentofacial Orthopedics, Volume 147, Issue 1, January 2015, Pages 52-60 15. Baccetti T. A controlled study of associated dental anomalies. Angle Orthod. 2002;68(3):267–74 16. Mossey PA, Campbell HM, Luffingham JK. The palatal canine and the adjacent lateral incisor: a study of a west of Scotland population. Br J Orthod. 1994;21:169–74. 17. Miller BH. The influence of congenitally missing teeth on the eruption of the upper canine. Dent Pract Dent Rec. 1963;13:497–504. 18. Chaushu S, Zilberman Y, Becker A. Maxillary incisor impaction and its relationship to canine displacement. Am J Orthod Dentofacial Orthop. 2003;124(2):144–50 19. Pirinen S, Arte S, Apajalahti S. Palatal displacement of canine is genetic and related to congenital absence of teeth. J Dent Res. 1996;75(10):1742–6. 20. Peck S, Peck L, Kataja M. The palatally displaced canine as a dental anomaly of genetic origin. Angle Orthod. 1994;64(4):249–56. Asian Academic Research Journal of Multidisciplinary www.asianacademicresearch.org