Clinical Study

Vertical Ridge Augmentation of the Atrophic Posterior Mandible with Sandwich Technique: Bone Block from the Chin Area versus Corticocancellous Bone Block Allograft—Clinical and Histological Prospective Randomized Controlled Study

Table 2


GroupObs.MeanStd. errorStd. deviation95% conf. I.

Group Ctrl1219.561.320.959417.72416.57178
22.54822

Group test1228.91.600.0695.059.86425.28039
32.51961

Residual graft material, t value = −4.5015, and P value = 0.0003. There is statistically significant difference.