Đánh giá kết quả thay đổi chỉ số par (peer assessment rate) sau điều trị sai khớp cắn loại II angle bằng hệ thống mắc cài MBT tại khoa răng hàm mặt trường đại học y dược cần thơ=Assessment of the results of change in the par index (peer assessment rate) after treatment of class II angle malocclusion with MBT bracket system at the department of Odonto-stomatology Can Tho University of medicine and pharmacy

0 Người đánh giá. Xếp hạng trung bình 0

Tác giả: Nguyên Lâm Lê, Thúy Xuân Nguyễn

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Y học cộng đồng, 2023

Mô tả vật lý: tr.76-83

Bộ sưu tập: Metadata

ID: 477688

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Analysis to evaluate occlusal changes is very important in assessing orthopedic treatment outcomes. There are many analytical methods based on measurements on plaster samples before and after treatment, such as measuring the distance between teeth and width of jaw arch or based on an occlusal index such as ICON, PAR index. Objectives: Evaluation of the change in PAR index (peer assessment rate) after treatment of Class II Angle malocclusion with the MBT bracket system at the Department of Odonto-Stomatology, Can Tho University of Medicine and Pharmacy. Materials and methods: The study was conducted on 31 patients with Class II Angle malocclusion at the Department of Odonto-Stomatology, Can Tho University of Medicine and Pharmacy. The patients were treated for orthodontic treatment of Class II Angle malocclusion. Evaluation of treatment results according to PAR. Degree of change = PAR before treatment - PAR after treatment. Result: The PAR index (W) before treatment was 32.19 ± 13.84. Among the components of the PAR index (W), overbite has the highest score of 11.16 ± 8.12, and overbite has the lowest score of 2.00 ± 1.55. The index that changed the most was the overbite, reduced by 10.65 points, improved by 93.67% after treatment, and the crowding in the posterior teeth decreased by at least 0.65 points, improved by 40.89%. Conclusion: In the of PAR(W) after treatment, the occlusal components all had a great change after treatment, there was no component in the coefficient that did not improve, indicating that the occlusion is very well improved, good guarantee in terms of functionality and stability.Phân tích để đánh giá sự thay đổi khớp cắn là một việc rất quan trọng trong đánh giá kết quả điều trị chỉnh hình. Có nhiều cách phân tích dựa vào đo đạc trên mẫu thạch cao trước và sau điều trị như đo khoảng cách giữa các răng, chiều rộng cung hàm hoặc dựa theo chỉ số khớp cắn như chỉ số DI ( Discrepancy Index ), chỉ số PAR( Peer Assessment Rate). Mục tiêu: Đánh giá kết quả thay đổi chỉ số PAR (Peer Assessment Rate) sau điều trị sai khớp cắn loại II Angle bằng hệ thống mắc cài MBT tại khoa Răng Hàm Mặt Trường Đại học Y Dược Cần Thơ. Đối tượng phương pháp nghiên cứu: Nghiên cứu thực hiện trên 31 bệnh nhân sai khớp cắn loại II Angle tại khoa Răng Hàm Mặt trường Đại học Y Dược Cần Thơ. Tiến hành điều trị chỉnh hình sai khớp cắn loại II Angle. Đánh giá kết quả điều trị theo PAR 18 Mức độ thay đổi = PAR trước điều trị - PAR sau điều trị. Kết quả: Chỉ số PAR (W) trước điều trị có tổng là 32,19 ± 13,84. Trong các thành phần của chỉ số PAR (W) thì độ cắn chìa có số điểm cao nhất 11,16 ± 8,12, độ cắn phủ có số điểm thấp nhất 2,00 ± 1,55. Chỉ số thay đổi nhiều nhất là độ cắn chìa giảm 10,65 điểm, cải thiện 93,67% điểm sau điều trị, chen chúc vùng răng sau giảm ít nhất 0,65 điểm cải thiện 40,89%. Kết luận: Trong các thành phần của PAR(W) sau điều trị, các thành phần khớp cắn đều có sự thay đổi rất lớn sau điều trị, không có thành phần nào trong hệ số nào không có cải thiện chứng tỏ khớp cắn được hoàn thiện rất tốt đảm bảo về mặt chức năng và thẩm mỹ.

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