MỘT SỐ YẾU TỐ LIÊN QUAN VỚI KẾT QUẢ ĐIỀU TRỊ PHẪU THUẬT NHỔ RĂNG KHÔN HÀM DƯỚI CÓ MỞ XƯƠNG TẠI VIỆN ĐÀO TẠO RĂNG HÀM MẶT

Abstract

Objective: This study evaluated several factors associated with the outcomes of surgical extraction of mandibular third molars that required bone removal at the School of Dentistry during 2023 – 2024. Materials and Methods: A cross-sectional descriptive study was conducted on 42 patients (50 impacted mandibular third molars) indicated for surgical extraction with ostectomy between July 2023 and July 2024 at the Center for Advanced Dental Techniques, School of Dentistry, and the Department of Odonto-Stomatology, Hanoi Medical University Hospital. Results: When the difficulty level of the third molar increased, the risk of root-apex fracture was 15-fold higher (OR; 95%CI=15; 1.35–166.05). A postoperative mouth-opening reduction of < 3.8 mm was only 0.07 times as likely as a reduction ≥ 3.8 mm when difficulty increased (OR; 95%CI=0.07; 0.008–0.64) and 0.18 times as likely (OR; 95%CI=0.18; 0.04–0.78) when operative time increased. Conclusion: Root-apex fracture and increased postoperative trismus are factors associated with operative difficulty and surgical duration in mandibular third-molar removal. Larger-scale studies are needed to clarify relationships between pre-, intra-, and postoperative factors, surgical difficulty, operative time, and postoperative bone healing in this patient group.