Functional needs of subjects with dentofacial deformities: a study using the index of orthognathic functional treatment need (IOFTN)

Borzabadi-Farahani, Ali, Eslamipour, Faezeh and Shahmoradi, Majid 2016. Functional needs of subjects with dentofacial deformities: a study using the index of orthognathic functional treatment need (IOFTN). Journal of Plastic, Reconstructive and Aesthetic Surgery 69 (6) , pp. 796-801. 10.1016/j.bjps.2016.03.008

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Abstract

Objectives To assess the functional needs of orthognathic patients treated in Isfahan University of Medical Sciences affiliated hospitals using the index of orthognathic functional treatment need (IOFTN). Materials and methods A retrospective study was conducted using 2011–2015 records of 103 patients [58 female, 45 males, 16–45 years, mean (SD) age = 23.47 (6.44) years] who had orthognathic surgery. Malocclusion type (incisor classification), sagittal skeletal pattern (ANB angle), IOFTN score, and Dental Health Component of the IOTN [IOTN (DHC)] were recorded. Result Overall, 92.2% and 82.5% of subjects scored 4 or 5 for IOFTN and IOTN (DHC), respectively, and no gender differences detected for both indices (P > 0.05). Gender differences detected for malocclusions/skeletal patterns (P < 0.05). Class III malocclusions (45.6%) and Class II skeletal patterns (51.5%) were the most prevalent type. Subjects with Class I, Class II, and Class III sagittal skeletal bases formed 4.8%, 51.5%, and 43.7% of the sample, respectively. IOFTN score of 5.3 (reverse OJ ≥ 3 mm, 27.2%) was the most prevalent, followed by 4.2(19.4%), 4.3(13.6%), 4.10 (12.6%), and 5.2 (8.7%). Subjects with Class III sagittal skeletal patterns or malocclusions had higher percentages of grade 5 IOFTN scores (62.2% and 59.6%), compared to Class II sagittal skeletal patterns or malocclusions (18.9% and 21.2%) and the distribution of functional needs between malocclusions or sagittal skeletal patterns were different (p < 0.01). Conclusion IOFTN identified 92.2% of orthognathic surgery patients as having great and very great functional needs and appeared to be reliable tool to identify patients in need of orthognathic surgery. Higher percentages of Class III subjects scored grade 5 of IOFTN, indicating higher functional need for orthognathic surgery in this group.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Dentistry
Publisher:	Elsevier
ISSN:	1748-6815
Date of Acceptance:	6 March 2016
Last Modified:	26 Nov 2024 09:30
URI:	https://orca.cardiff.ac.uk/id/eprint/174269

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