Clinical Study

Peri-Implant Bone Resorption during Healing Abutment Placement: The Effect of a 0.20 Chlorhexidine Gel vs. Placebo—A Randomized Double Blind Controlled Human Study

Table 4

Statistical analysis compared the different MBL between the two groups in every single stage.

T00,0435625T-ratio-0,220803459
t0 b0,0621875DF15
Mean difference-0,018625Prob > 0,8282
Std. error0,084351034Prob > t0,5859
Upper 95%0,161164972Prob < t0,4141
Lower%0,198414972
N16
Correlation0,211215722

T1-0,2768125T-ratio-3,690326917
T1 b0,15328125DF15
Mean difference-0,43009375Prob > 0,0022
Std. error0,116546246Prob > t0,9989
Upper 95%-0,181681306Prob < t0,0011
Lower%-0,678506194
N16
Correlation0,060006213

T2-0,62671875T-ratio-4,200440951
T2 b-0,2736875DF15
Mean difference-0,35303125Prob > 0,0008
Std. error0,084046236Prob > t0,9996
Upper 95%-0,173890939Prob < t0,0004
Lower%-0,532171561
N16
Correlation0,394342209

T3-0,846T-ratio-3,483100821
T3 b-0,54834375DF15
Mean difference-0,29765625Prob > 0,0033
Std. error0,085457259Prob > t0,9983
Upper 95%-0,115508414Prob < t0,0017
Lower%-0,479804086
N16
Correlation0,407963714

T4-1,033375T-ratio-2,787533871
T4 b-0,69665625DF15
Mean difference-0,33671875Prob > 0,0138
Std. error0,120794496Prob > t0,9931
Upper 95%-0,079251376Prob < t0,0069
Lower%-0,594186124
N16
Correlation0,103410841