Đặc điểm lâm sàng và X quang các răng thừa vùng phía trước hàm trên ở bệnh nhân khám nắn chỉnh răng

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Tác giả: Lê Ngọc Khanh Nguyễn, Thị Thu Phương Nguyễn, Thị Thúy Hồng Võ

Ngôn ngữ: vie

Ký hiệu phân loại: 611.314 Teeth

Thông tin xuất bản: Y dược lâm sàng 108, 2016

Mô tả vật lý: 126-131

Bộ sưu tập: Metadata

ID: 534767

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Chủ đề

Khảo sát đặc điểm lâm sàng và X quang các răng thừa vùng phía trước hàm trên ở 136 bệnh nhân khám nắn chỉnh răng. Kết quả cho thấy tỷ lệ răng thừa phía trước hàm trên phân bố ở nam nhiều hơn ở nữ. Răng thừa hình nón gặp nhiều nhất, chiếm tỷ lệ 59% và ít gặp nhất là u răng (3,4%). Răng thừa có thể xuất hiện đơn lẻ hoặc nhiều răng trên cung. Các biến chứng thường gặp là lệch lạc răng vĩnh viễn, khe thưa răng cửa hàm trên, gây cản trở mọc răng khiến răng vĩnh viễn mọc ngầm. Một số ít trường hợp không có biến chứng, thường gặp ở hàm răng sữa. Trên phim cắt lớp chùm tai hình nón, có thể xác định khá chính xác vị trí, hướng mọc cũng như mối liên hệ với các cấu trúc lân cận.The paper examines the clinical features and X-ray of the frontal maxillary teeth in 136 patients with orthodontic examination. The results showed that the ratio of the front teeth to the upper jaw in the male distribution was higher than in the female. Conical cones are most common, accounting for 59% and the least common are dental tumors (3.4%). Redundant teeth may appear single or multiple teeth on the bow. Common complications are deviation of permanent teeth, upper incisors of maxillary incisors, and obstructing teeth growth that makes permanent teeth underground. A few uncomplicated cases, common in milk teeth. On cone-shaped clipped film, it is possible to determine the exact position and direction as well as the relationship with neighboring structures.

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