Orthognathic Surgery Treatment Need in a Turkish Adult Population: A Retrospective Study

Hatice Kübra Olkun, Ali Borzabadi-Farahani and Sina Uçkan
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Hatice Kübra Olkun: Department of Orthodontics, School of Dentistry, İstanbul Okan University, İstanbul 34959, Turkey
Ali Borzabadi-Farahani: Orthodontics, Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, 00183 Rome, Italy
Sina Uçkan: Department of Oral and Maxillofacial Surgery, School of Dentistry, İstanbul Medipol University, İstanbul 34214, Turkey

IJERPH, 2019, vol. 16, issue 11, 1-8

Abstract: Objectives: Limited information exists on orthognathic procedures and respective dentofacial deformities in Turkey. This retrospective study assessed the orthognathic surgery procedures in two universities, using the Index of Orthognathic Functional Treatment Need (IOFTN), and compared the IOFTN grades according to gender as well as sagittal and vertical skeletal relationships. Material and Methods: Records of 200 consecutive patients (120 females, 80 males, mean age = 23.4 (SD: 5.4) years) who received orthognathic treatment (2014–2018) were analyzed. Sagittal (ANB angle) and vertical skeletal type (GoGnSN angle), osteotomies, and IOFTN scores were recorded. Results: Class III, II, and I malocclusions formed 69%, 17.5%, and 13.5% of the samples, respectively. Class III skeletal relationships (69%) and high-angle cases (64%) were the most prevalent ( p < 0.05). IOFTN scores were unevenly distributed among genders ( p < 0.05) and the prevalent scores were 5.3 (40.5%), 4.3 (15.5%), 5.4 (13%), and 5.2 (7.5%), with 94% scoring 4 or 5 (great and very great functional need). Bimaxillary osteotomies were the most prevalent (55%), followed by LeFort I (32%), and 26% had genioplasty. Conclusion: IOFTN is a reliable tool to identify patients in need of orthognathic surgery. Class III malocclusions and Class III sagittal skeletal relationships were more common in this sample. Comparatively, a higher number of patients had genioplasty as a part of their treatment.

Keywords: craniofacial anomalies; orthognathic surgery; IOFTN (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
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