The distance between mandibular incisor apex and superior margin of superior genial tubercles for male were(.7±.8)mm and (. ±.0)mm, and for female were (9. ±.79)mm和(8.78±. )mm.
The distance between mandibular incisor apex and superior margin of superior genial tubercles for male were(.7±.8)mm and (. ±.0)mm, and for female were (9. ±.79)mm和(8.78±. )mm.
下中切牙根尖至上颏棘上缘的距离男性为(7±8)mm和( ±0)mm,女性为(9 ±79)mm和(878± )mm;