Iranian Journal of Orthodontics

Published by: Kowsar

Root Resorption in Mandibular Incisors During Orthodontic Treatment with Invisalign®: A Radiometric Study

Giulia Gay 1 , * , Serena Ravera 1 , Tommaso Castroflorio 1 , Francesco Garino 2 , Giovanni Cugliari 3 and Andrea Deregibus 1
Authors Information
1 Post-graduate School of Orthodontics, Lingotto-Dental School, Department of Surgical Sciences, University of Turin, Turin, Italy
2 Private Practice, Turin, Italy
3 Department of Statistics and Quantitative Methods, University of Milano-Bicocca, Milan, Italy
Article information
  • Iranian Journal of Orthodontics: March 31, 2017, 12 (1); e7915
  • Published Online: August 8, 2016
  • Article Type: Original Article
  • Received: May 18, 2016
  • Accepted: July 25, 2016
  • DOI: 10.17795/ijo-7915

To Cite: Gay G, Ravera S, Castroflorio T, Garino F, Cugliari G, et al. Root Resorption in Mandibular Incisors During Orthodontic Treatment with Invisalign®: A Radiometric Study, Iran J Ortho. 2017 ; 12(1):e7915. doi: 10.17795/ijo-7915.

Copyright © 2017, Iranian Journal of Orthodontics. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License ( which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
1. Background
2. Objectives
3. Methods
4. Results
5. Discussion
  • 1. Weltman B, Vig KW, Fields HW, Shanker S, Kaizar EE. Root resorption associated with orthodontic tooth movement: a systematic review. Am J Orthod Dentofacial Orthop. 2010;137(4):462-76. discussion 12A. doi: 10.1016/j.ajodo.2009.06.021. [PubMed: 20362905].
  • 2. Al-Qawasmi RA, Hartsfield JJ, Everett ET, Flury L, Liu L, Foroud TM, et al. Genetic predisposition to external apical root resorption in orthodontic patients: linkage of chromosome-18 marker. J Dent Res. 2003;82(5):356-60. [PubMed: 12709501].
  • 3. Al-Nazhan S. External root resorption after bleaching: a case report. Oral Surg Oral Med Oral Pathol. 1991;72(5):607-9. [PubMed: 1745520].
  • 4. Counts AL, Widlak RA. Generalized idiopathic external root resorption. J Clin Orthod. 1993;27(9):511-3. [PubMed: 8308164].
  • 5. Rivera EM, Walton RE. Extensive idiopathic apical root resorption. A case report. Oral Surg Oral Med Oral Pathol. 1994;78(5):673-7. [PubMed: 7838479].
  • 6. Snelgrove RA. Generalized idiopathic apical root resorption as an incidental finding in an adolescent: a case history. Dent Update. 1995;22(7):276-8. [PubMed: 8948209].
  • 7. Killiany DM. Root resorption caused by orthodontic treatment: an evidence-based review of literature. Semin Orthod. 1999;5(2):128-33. [PubMed: 10530286].
  • 8. McLaughlin KD. Quantitative determination of root resorption during orthodontic treatment. Am J Orthod. 1964;50(2):143. doi: 10.1016/0002-9416(64)90127-7.
  • 9. Stenvik A, Mjor IA. Pulp and dentine reactions to experimental tooth intrusion. A histologic study of the initial changes. Am J Orthod. 1970;57(4):370-85. [PubMed: 5265007].
  • 10. Harry MR, Sims MR. Root resorption in bicuspid intrusion. A scanning electron microscope study. Angle Orthod. 1982;52(3):235-58. doi: 10.1043/0003-3219(1982)052<0235:RRIBI>2.0.CO;2. [PubMed: 6959549].
  • 11. Linge BO, Linge L. Root length of upper canines and orthodontic therapy [in German]. Fortschr Kieferorthop. 1983;44(5):392-407. [PubMed: 6583148].
  • 12. Linge L, Linge BO. Patient characteristics and treatment variables associated with apical root resorption during orthodontic treatment. Am J Orthod Dentofacial Orthop. 1991;99(1):35-43. doi: 10.1016/S0889-5406(05)81678-6. [PubMed: 1986524].
  • 13. Mirabella AD, Artun J. Risk factors for apical root resorption of maxillary anterior teeth in adult orthodontic patients. Am J Orthod Dentofacial Orthop. 1995;108(1):48-55. [PubMed: 7598104].
  • 14. Mavragani M, Boe OE, Wisth PJ, Selvig KA. Changes in root length during orthodontic treatment: advantages for immature teeth. Eur J Orthod. 2002;24(1):91-7. [PubMed: 11887384].
  • 15. Blake M, Woodside DG, Pharoah MJ. A radiographic comparison of apical root resorption after orthodontic treatment with the edgewise and Speed appliances. Am J Orthod Dentofacial Orthop. 1995;108(1):76-84. [PubMed: 7598108].
  • 16. Lupi JE, Handelman CS, Sadowsky C. Prevalence and severity of apical root resorption and alveolar bone loss in orthodontically treated adults. Am J Orthod Dentofacial Orthop. 1996;109(1):28-37. [PubMed: 8540480].
  • 17. Levander E, Malmgren O. Evaluation of the risk of root resorption during orthodontic treatment: a study of upper incisors. Eur J Orthod. 1988;10(1):30-8. [PubMed: 3162877].
  • 18. Levander E, Malmgren O, Stenback K. Apical root resorption during orthodontic treatment of patients with multiple aplasia: a study of maxillary incisors. Eur J Orthod. 1998;20(4):427-34. [PubMed: 9753824].
  • 19. Trope M. Root resorption of dental and traumatic origin: classification based on etiology. Pract Periodontics Aesthet Dent. 1998;10(4):515-22. [PubMed: 9655059].
  • 20. Fuss Z, Tsesis I, Lin S. Root resorption--diagnosis, classification and treatment choices based on stimulation factors. Dent Traumatol. 2003;19(4):175-82. [PubMed: 12848710].
  • 21. Parker RJ, Harris EF. Directions of orthodontic tooth movements associated with external apical root resorption of the maxillary central incisor. Am J Orthod Dentofacial Orthop. 1998;114(6):677-83. [PubMed: 9844208].
  • 22. Fox N. Longer orthodontic treatment may result in greater external apical root resorption. Evid Based Dent. 2005;6(1):21. doi: 10.1038/sj.ebd.6400304. [PubMed: 15789049].
  • 23. Newman WG. Possible etiologic factors in external root resorption. Am J Orthod. 1975;67(5):522-39. [PubMed: 164774].
  • 24. Kook YA, Park S, Sameshima GT. Peg-shaped and small lateral incisors not at higher risk for root resorption. Am J Orthod Dentofacial Orthop. 2003;123(3):253-8. doi: 10.1067/mod.2003.81. [PubMed: 12637897].
  • 25. Kaley J, Phillips C. Factors related to root resorption in edgewise practice. Angle Orthod. 1991;61(2):125-32. doi: 10.1043/0003-3219(1991)061<0125:FRTRRI>2.0.CO;2. [PubMed: 2064070].
  • 26. Acar A, Canyurek U, Kocaaga M, Erverdi N. Continuous vs. discontinuous force application and root resorption. Angle Orthod. 1999;69(2):159-63. doi: 10.1043/0003-3219(1999)069<0159:CVDFAA>2.3.CO;2. [PubMed: 10227557].
  • 27. Reitan K. Effects of force magnitude and direction of tooth movement on different alveolar bone types. The Angle Orthod. 1964;34(4):244-55.
  • 28. Dougherty HL. The effect of mechanical forces upon the mandibular buccal segments during orthodontic treatment. Am J Orthod. 1968;54(2):83-103. [PubMed: 5235977].
  • 29. Krieger E, Drechsler T, Schmidtmann I, Jacobs C, Haag S, Wehrbein H. Apical root resorption during orthodontic treatment with aligners? A retrospective radiometric study. Head Face Med. 2013;9:21. doi: 10.1186/1746-160X-9-21. [PubMed: 23941626].
  • 30. Fritz U, Diedrich P, Wiechmann D. Apical root resorption after lingual orthodontic therapy. J Orofac Orthop. 2003;64(6):434-42. doi: 10.1007/s00056-003-0243-5. [PubMed: 14628135].
  • 31. Harris EF, Kineret SE, Tolley EA. A heritable component for external apical root resorption in patients treated orthodontically. Am J Orthod Dentofacial Orthop. 1997;111(3):301-9. [PubMed: 9082853].
  • 32. Goldson L, Henrikson CO. Root resorption during Begg treatment; a longitudinal roentgenologic study. Am J Orthod. 1975;68(1):55-66. [PubMed: 1056144].
  • 33. Malmgren O, Goldson L, Hill C, Orwin A, Petrini L, Lundberg M. Root resorption after orthodontic treatment of traumatized teeth. Am J Orthod. 1982;82(6):487-91. [PubMed: 6961819].
  • 34. English H. External apical root resorption as a consequence of orthodontic treatment. J N Z Soc Periodontol. 2001;(86):17-23. [PubMed: 11862917].
  • 35. Schwarz AM. Tissue changes incidental to orthodontic tooth movement. Int J Orthod Oral Surg Radiography. 1932;18(4):331-52.
  • 36. Kennedy DB, Joondeph DR, Osterberg SK, Little RM. The effect of extraction and orthodontic treatment on dentoalveolar support. Am J Orthod. 1983;84(3):183-90. [PubMed: 6577790].
  • 37. Janson GR, De Luca Canto G, Martins DR, Henriques JF, De Freitas MR. A radiographic comparison of apical root resorption after orthodontic treatment with 3 different fixed appliance techniques. Am J Orthod Dentofacial Orthop. 2000;118(3):262-73. doi: 10.1067/mod.2000.99136. [PubMed: 10982926].
  • 38. Sameshima GT, Sinclair PM. Predicting and preventing root resorption: Part I. Diagnostic factors. Am J Orthod Dentofacial Orthop. 2001;119(5):505-10. doi: 10.1067/mod.2001.113409. [PubMed: 11343022].
  • 39. Brin I, Tulloch JF, Koroluk L, Philips C. External apical root resorption in Class II malocclusion: a retrospective review of 1- versus 2-phase treatment. Am J Orthod Dentofacial Orthop. 2003;124(2):151-6. doi: 10.1016/S0889540603001665. [PubMed: 12923510].
  • 40. Castro IO, Alencar AH, Valladares-Neto J, Estrela C. Apical root resorption due to orthodontic treatment detected by cone beam computed tomography. Angle Orthod. 2013;83(2):196-203. doi: 10.2319/032112-240.1. [PubMed: 22812378].
  • 41. Tieu LD, Saltaji H, Normando D, Flores-Mir C. Radiologically determined orthodontically induced external apical root resorption in incisors after non-surgical orthodontic treatment of class II division 1 malocclusion: a systematic review. Prog Orthod. 2014;15:48. doi: 10.1186/s40510-014-0048-7. [PubMed: 25139200].
  • 42. Barbagallo LJ, Jones AS, Petocz P, Darendeliler MA. Physical properties of root cementum: Part 10. Comparison of the effects of invisible removable thermoplastic appliances with light and heavy orthodontic forces on premolar cementum. A microcomputed-tomography study. Am J Orthod Dentofacial Orthop. 2008;133(2):218-27. doi: 10.1016/j.ajodo.2006.01.043. [PubMed: 18249288].
  • 43. Cattaneo PM, Dalstra M, Melsen B. Strains in periodontal ligament and alveolar bone associated with orthodontic tooth movement analyzed by finite element. Orthod Craniofac Res. 2009;12(2):120-8. doi: 10.1111/j.1601-6343.2009.01445.x. [PubMed: 19419455].
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