Point Non-atrophic
mandibles
Atrophic
mandibles
Mean (SD),
mm
Mean (SD),
mm
Point Aa 31.39 (3.21) 18.96 (2.87)
Point B righta 31.58 (2.47) 17.41 (2.03)
Point B lefta 30.81 (2.44) 17.04 (2.07)
Point C righta 26.99 (2.55) 15.29 (2.29)
Point C lefta 26.17 (2.32) 15.62 (2.12)

aStatistically significant at level P < 0.0001 (t-test).
SD = standard deviation.