Evaluation of Surgical Outcomes of Patients Treated With the Surgery First Approach and Aligners

Evaluation of Surgical Outcomes of Patients Treated With the Surgery First Approach and Aligners

The purpose of this prospective study is to compare treatment outcomes and the quality of life of skeletal Class III patients treated with conventional fixed appliances and aligners undergoing Surgery-first approach. Data will be collected through validated questionnaires: OQLQ (Orthognathic Quality of Life Questionnaire), OHIP-14 (Oral Health Impact Profile), SF-36 (Medical Outcomes Study 36 - Item Short-Form Health Survey) and IOTN (Index of Orthodontic Treatment Need).

Inclusion Criteria:

• Adults;
• Skeletal malocclusion;
• ANB Angle zero or negative;
• Witts negative;
• Etiology: mandibular excess, a maxillary deficiency, or a combination of both;
• Indication for bimaxillary surgery;

Exclusion Criteria:

• Previous orthodontic treatment;
• Craniofacial anomaly or previous fracture of the facial bones;
• Total edentulism;
• Deep curve of Spee;
• Vertical asymmetry;
• Any medication use that contraindicates surgical treatment.