The depth of the sulcus of the upper lip-a cephalometric study

• Những tác giả chính: Galvao Carlos A.A.N (Tác giả), Madeira Miguel C. (Tác giả)
• Định dạng: Sách
• Được phát hành: Sciendo, 1981-12-01T00:00:00Z.
• Những chủ đề: article
• Truy cập trực tuyến: Connect to this object online.

This cross sectional cephalometric study used a mixed sample of 98 Brazilian-born white teenagers, aged 11-18 years, who had not undergone orthodontic treatment. Using the "H"-NB angle (angle formed by the "H" line of Holdaway to the NB plane), they were divided into three groups...