J Dentofacial Anom Orthod
Volume 20, Number 4, 2017
|Number of page(s)||11|
|Published online||11 June 2018|
A study of the parameters that influence orthosurgical treatments
Associate Professor in Dentofacial Orthodontics
2 ODF Professor, Oral Health and Orofacial Rehabilitation Research Laboratory LR12ES11, Monastir University, Monastir Dentofacial Orthopedics Department, Tunisia
Address for correspondence: Ines Dallel Faculty of Dentistry – Avicenna Avenue 5000 Monastir (Tunisie). E-mail: email@example.com
Accepted: 14 April 2017
Introduction: In daily practice, the orthodontist may have some difficulties with their therapeutic decision to choose a treatment with or without orthognathic surgery, especially for borderline cases. The objective of this study is to determine the outcome of orthosurgical treatment.
Patients and Methods: We undertook a retrospective analytical study of 175 randomly selected cases. The data for this study were obtained from lateral cephalograms radiographs, panoramic radiographs, both intraoral and extraoral photographs, and case sheet, and clinical examination.
Results: According to the multivariate data analysis and the results of studied factors in determining the need for orthosurgical treatment were: the chin position, the FMA angle and the ratio of the lips based on this formula: 1.167 + 0.288 × the position of chin – 0254 × FMA angle −0.16 × the ratio of the lips. The critical score is equal to −5.92 in which case surgery is indicated.
Conclusion: This study focused on a clinical and cephalometric approach in the decision related to orthosurgical treatment, so as to choose better treatment options and limit the damaged caused by a more complex and costly options.
Key words: Orthognathic surgery / orthodontic camouflage / cephalometric criteria / clinical criteria / score
© The authors
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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