Iranian Journal of Orthodontics

Published by: Kowsar

The Use of IOTN in Determining Orthodontic Treatment Needs of Turkish Adolescents

Ibrahim Erhan Gelgor 1 , *
Author Information
1 Department of Orthodontics, Dental School, Kirikkale University, Kirikkale, Turkey
Article information
  • Iranian Journal of Orthodontics: September 30, 2018, 13 (2); e9576
  • Published Online: December 19, 2018
  • Article Type: Original Article
  • Received: November 17, 2016
  • Revised: January 22, 2017
  • Accepted: April 12, 2017
  • DOI: 10.5812/ijo.9576

To Cite: Gelgor I E. The Use of IOTN in Determining Orthodontic Treatment Needs of Turkish Adolescents, Iran J Ortho. 2018 ; 13(2):e9576. doi: 10.5812/ijo.9576.

Copyright © 2018, 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. Bentele MJ, Vig KW, Shanker S, Beck FM. Efficacy of training dental students in the Index of Orthodontic Treatment Need. Am J Orthod Dentofacial Orthop. 2002;122(5):456-62. doi: 10.1067/mod.2002.126895. [PubMed: 12439472].
  • 2. Shaw WC, Gbe MJ, Jones BM. The expectations of orthodontic patients in South Wales and St Louis, Missouri. Br J Orthod. 1979;6(4):203-5. [PubMed: 297468].
  • 3. Richmond S, O'Brien KD, Roberts CT, Andrews M. Dentists variation in the determination of orthodontic treatment need. Br J Orthod. 1994;21(1):65-8. [PubMed: 8199167].
  • 4. Burden DJ, Pine CM, Burnside G. Modified IOTN: An orthodontic treatment need index for use in oral health surveys. Community Dent Oral Epidemiol. 2001;29(3):220-5. [PubMed: 11409681].
  • 5. Holmes A. The prevalence of orthodontic treatment need. Br J Orthod. 1992;19(3):177-82. [PubMed: 1390573].
  • 6. Burden DJ, Holmes A. The need for orthodontic treatment in the child population of the United Kingdom. Eur J Orthod. 1994;16(5):395-9. [PubMed: 7805813].
  • 7. Shaw WC, Richmond S, O'Brien KD. The use of occlusal indices: A European perspective. Am J Orthod Dentofacial Orthop. 1995;107(1):1-10. [PubMed: 7817954].
  • 8. Güray E. Treatment priority index (TPI) uygulamasi (Epidemiologic calisma). Turk Ortodonti Derg. 1994;7:195-200. doi: 10.13076/1300-3550-7-2-195.
  • 9. Ugur T, Ciger S, Aksoy A, Telli A. An epidemiological survey using the treatment priority index (TPI). Eur J Orthod. 1998;20(2):189-93. [PubMed: 9633172].
  • 10. Kamak H, Gelgor IE, Keklik H. Determination of orthodontic treatment need for individuals in pubertal growth period and effects of different variables on the treatment needs with using the ICON index. Turk J Orthod. 2012;25(2):113-21. doi: 10.13076/1300-3550-25-2-113.
  • 11. Hamdan AM. Orthodontic treatment need in Jordanian school children. Community Dent Health. 2001;18(3):177-80. [PubMed: 11580095].
  • 12. Padisar P, Mohammadi Z, Nasseh R, Marami A. The use of orthodontic treatment need index (IOTN) in a referred Iranian population. Res J Biol Sci. 2009;4(4):438-43.
  • 13. Al Jeshi A, Al-Mulla A, Ferguson DJ. Orthodontic treatment need in Dubai school adolescents: A study of 20,000 school-age adolescents in 66 public and private schools comparing orthodontic treatment need by gender and ethnicity. Oral Health Dent Manag. 2014;13(3):857-65. [PubMed: 25284571].
  • 14. Evans R, Shaw W. Preliminary evaluation of an illustrated scale for rating dental attractiveness. Eur J Orthod. 1987;9(4):314-8. [PubMed: 3480231].
  • 15. Brook PH, Shaw WC. The development of an index of orthodontic treatment priority. Eur J Orthod. 1989;11(3):309-20. [PubMed: 2792220].
  • 16. Padisar P, Naseh R, Babakhani A, Jalayer S. Comparing dental aesthetic index (DAI) and IOTN in determining the orthodontic treatment needs of Qazvin students. Iran J Orthod. 2016;11(2). e6231. doi: 10.17795/ijo-6231.
  • 17. Otuyemi OD, Ugboko VI, Adekoya-Sofowora CA, Ndukwe KC. Unmet orthodontic treatment need in rural Nigerian adolescents. Community Dent Oral Epidemiol. 1997;25(5):363-6. [PubMed: 9355773].
  • 18. de Oliveira CM, Sheiham A. The relationship between normative orthodontic treatment need and oral health‐related quality of life. Community Dent Oral Epidemiol. 2003;31(6):426-36. doi: 10.1046/j.1600-0528.2003.00002.x.
  • 19. Borzabadi-Farahani A. A review of the oral health-related evidence that supports the orthodontic treatment need indices. Prog Orthod. 2012;13(3):314-25. doi: 10.1016/j.pio.2012.03.002. [PubMed: 23260543].
  • 20. Landis JR, Koch GG. The measurement of observer agreement for categorical data. Biometrics. 1977;33(1):159-74. [PubMed: 843571].
  • 21. Altman DG. Practical statistics for medical research. CRC press; 1990.
  • 22. Jenny J, Cons NC. Comparing and contrasting two orthodontic indices, the Index of Orthodontic Treatment Need and the dental aesthetic index. Am J Orthod Dentofacial Orthop. 1996;110(4):410-6. [PubMed: 8876493].
  • 23. Borzabadi-Farahani A, Borzabadi-Farahani A. Agreement between the index of complexity, outcome, and need and the dental and aesthetic components of the Index of Orthodontic Treatment Need. Am J Orthod Dentofacial Orthop. 2011;140(2):233-8. doi: 10.1016/j.ajodo.2010.09.028. [PubMed: 21803261].
  • 24. DeGuzman L, Bahiraei D, Vig KWL, Vig PS, Weyant RJ, O'brien K. The validation of the peer assessment rating index for malocclusion severity and treatment difficulty. Am J Orthod Dentofacial Orthop. 1995;107(2):172-6. doi: 10.1016/S0889-5406(95)70133-8.
  • 25. Thilander B, Pena L, Infante C, Parada SS, de Mayorga C. Prevalence of malocclusion and orthodontic treatment need in children and adolescents in Bogota, Colombia. An epidemiological study related to different stages of dental development. Eur J Orthod. 2001;23(2):153-67. [PubMed: 11398553].
  • 26. Abu Alhaija ES, Al-Nimri KS, Al-Khateeb SN. Orthodontic treatment need and demand in 12-14-year-old north Jordanian school children. Eur J Orthod. 2004;26(3):261-3. [PubMed: 15222709].
  • 27. Ngom PI, Diagne F, Dieye F, Diop-Ba K, Thiam F. Orthodontic treatment need and demand in Senegalese school children aged 12-13 years. An appraisal using IOTN and ICON. Angle Orthod. 2007;77(2):323-30. doi: 10.2319/0003-3219(2007)077[0323:OTNADI]2.0.CO;2. [PubMed: 17319769].
  • 28. Borzabadi-Farahani A, Borzabadi-Farahani A, Eslamipour F. Orthodontic treatment needs in an urban Iranian population, an epidemiological study of 11-14 year old children. Eur J Paediatr Dent. 2009;10(2):69-74. [PubMed: 19566372].
  • 29. Beglin FM, Firestone AR, Vig KW, Beck FM, Kuthy RA, Wade D. A comparison of the reliability and validity of 3 occlusal indexes of orthodontic treatment need. Am J Orthod Dentofacial Orthop. 2001;120(3):240-6. doi: 10.1067/mod.2001.116401. [PubMed: 11552122].
  • 30. Kamak H, Çaglaroglu M, Catalbas B, Keklik H. Evaluation of the orthodontic treatment need of middle anatolian region using by icon index. Ataturk Univ Dental J. 2012;22(2):150-4.

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