Nhận xét kích thước ngang cung răng hàm trên và dưới ở một nhóm sinh viên tuổi từ 18 đến 25 đang học tại Viện Đào tạo Răng Hàm Mặt năm 2013

The study was conducted on 80 students studying at school of odonto-stomatology and aims to identify maxillary and mandibular dental arch widths. Reasearch methodology: cross-sectional describle. In cast, maxillary and mandibular dental arch widths were measured cusp tip of canine, buccal cusp of first premolar, second premolar and mesial buccal cusp of first molar. Results: Maxillary dental arch widths of canine was 36,38 + or - 1,47mm in male, 35,30 + or - 1,72mm in female, which of first premolar was 44,88 + or - 1,73mm in male, 43,62 + or - 2,06mm in female, which of second premolar was 50,15 + or - 1,93mm in male, 48,91 + or - 2,42mm in female, which of first molar was 55,11 + or - 2,12mm in male, 53,47 + or - 2,58 mm in female. Mandibular dental arch widths of canine was 27,33 + or - 1,61mm in male, 26,31 + or - 2,28mm in female, which of first premolar was 35,87 + or - 1,9mm in male, 34,80 + or - 2,24mm in female, which of second premolar was 41,70 + or - 2,06mm in male, 40,59 + or - 2,15mm in female, which of first molar was 47,04 + or - 2,14mm in male, 45,96 + or - 2,47mm in female Conclusion: All maxillary and mandibular male arch widths were significantly langer than female arch widths.