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
Group
Obs.
Mean
Std. error
Std. deviation
95% conf. I.
Group Ctrl
12
19.56
1.320.959
417.724
16.57178 22.54822
Group test
12
28.9
1.600.069
5.059.864
25.28039 32.51961
Residual graft material, t value = −4.5015, and P value = 0.0003. There is statistically significant difference.