engleski

A retrospective analysis of dentofacial deformities using the Index of orthognathic functional treatment need

Introduction The aim of this retrospective analysis is to assess the functional needs of orthognathic patients examined in Rijeka using the Index of orthognathic functional treatment need (IOFTN). Materials and methods The analysis was conducted on 124 patients (79 female, 45 male, ranging from 17 to 62 years, mean (SD) = 25.86 (8, 882) years) who had orthognathic surgery at the Maxillofacial Surgery Clinic in Rijeka or were in preparation for it (21 patients). The sample represents a period between 2008 to 2018. The critarea for inclusion were the availability of data on gender, age, IOFTN category and subcategory, IOTN category and osteotomy type. Results The most common IOFTN score in the complete sample was 5.3 (30.6%), followed by 4.3 (22.6%), 5.4 (12.9%) and 5.2 (7.3%). 95% of patients were classified as category 4 or 5 under IOFTN, which means they meet the criteria for orthognathic sugery. 85% of patinets scored as category 4 or 5 under IOTN. The most common type of orthognathic surgery was bimaxillary osteotomy (67.57%). Conclusions The relatively greater overlap between the decision of the clinician and the IOFTN suggests that IOFTN is a more reliable tool for recognizing the need for orthognathic functional therapy than IOTN. The advantage of IOFTN is that it considers functional symptoms. IOFTN can thus help redistribute public health resources towars patients with highest functional needs. Although IOFTN is a useful tool for clinicians, clinical assessment still plays an important role, as there is room for the improvement of the IOFTN.

IOFTN index ; IOTN ; Malocclusion ; Dentofacial deformity ; Orthognathic surgery

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