The Comparison of Articular Disc Position Before and After Bilateral Sagittal Split Ramus Osteotomy in Skeleton Class III Patients using Magnetic Resonance Imaging

Chiang Mai university0 个研究点目标入组 10 人开始时间: 2022年3月18日最近更新: 2024年8月19日

适应症

试验速览

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•1. Patient age ranged from 18 to 35 years old.
•2. Patients with skeleton class III deformities.
•3. Patients who receive orthogenic treatment before and after surgical correction.
•4. Patients who will prospectively undergo setback BSSRO with and/or without maxillary surgical correction.

•1. Patients who will receive other surgical techniques to eliminate condylar torque such as posterior bending technique
•2. Patients with medical conditions that affect bone healing process such as diabetic mellitus, or currently on bisphosphonate or steroid therapy
•3. Patients who are currently smoking
•4. Patients with history of condyle fracture and/or trauma
•5. Patients who have a history of TMDs diagnosis or treatment before being included in the study
•6. Patients who have complications of BSSRO such as condylar
•displacement, immediate postoperative occlusal instability, unfavorable bony split, infection, loosening miniplates and screws, present of foreign bodies, sequestrum formation, mal-/non-union bone segment will be subsequently excluded from the study
•7. Patients who have any contraindication for MRI examination such as
•i. Claustrophobia
•ii. Patients with metal implants or metal devices such as metal joint
•implant, metal plate with ferromagnetic substances, metal cardiac
•valve, pacemaker, blood vessel clip, metal stent, cochlear implant
•iii. Patients with metallic foreign body
•iv. Pregnancy patients

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