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总义齿上尖牙的排列影响患者的面容和咬合平稳，如何确定其高度？作者运用几何作图法计算出总义齿上尖牙应高于上中切牙切缘１．８ｍｍ。从正面观察时，中切牙切缘和尖牙牙尖联成的曲线，与微笑时下唇缘的曲线一致，自然、和谐、美观
The arrangement of canine teeth on the total denture affects the patient's face and smooth bite, how to determine the height? The authors calculated the total dentition teeth should be higher than the cutting edge of the upper incisors 1.8mm. When viewed from the front, the curve of the incisal edge and the tip of the incisor coincides with the curve of the lower lip at the time of smile, which is natural, harmonious and beautiful