Caroliene Meijndert

29 Single implants in the aesthetic region preceded by local ridge augmentation Table 3. Pocket probing depth. Mean ± standard deviation of pocket probing depth (ppd) in mm at T 1, T 12 and T 120 of treatment group Chin bone, Chin bone + Bio-Gide® and Bio-Oss® + Bio-Gide® . Chin bone (gr1) Chin bone + Bio- Gide® (gr2) Bio-Oss® + Bio- Gide® (gr3) Significance level between groups* Total of the groups T 1 n=31 n=31 n=29 n=91 Buccal ppd 2.7 ± 1.2 2.9 ± 0.9 3.3 ± 1.4 p overall = 0.13 3.0 ± 1.2 Palatinal ppd 2.6 ± 1.0 2.6 ± 1.1 2.8 ± 1.4 p overall = 0.76 2.7 ± 1.2 Approximal ppd 3.9 ± 1.2 3.5 ± 1.2 4.2 ± 1.6 p overall = 0.13 3.9 ± 1.3 T 12 n=31 n=31 n=29 n=91 Buccal ppd 3.2 ± 1.2 2.9 ± 1.0 3.6 ± 1.3 p overall = 0.08 3.2 ± 1.2 Palatinal ppd 2.7 ± 0.9 3.1 ± 1.1 3.3 ± 1.4 p overall = 0.13 3.0 ± 1.2 Approximal ppd 4.3 ± 1.4 4.4 ± 1.3 4.1 ± 1.0 p overall = 0.58 4.3 ± 1.3 T 120 n=29 n=24 n=19 n=72 Buccal ppd 2.8 ± 1.0 2.8 ± 1.0 3.9 ± 1.7 p overall = 0.009 gr1-gr3 p=0.03 gr2-gr3 p=0.03 3.1 ± 1.3 Palatinal ppd 3.2 ± 0.9 3.7 ± 1.1 3.8 ± 1.7 p overall = 0.22 3.5 ± 1.2 Approximal ppd 3.9 ± 1.4 3.5 ± 1.0 4.3 ± 1.7 p overall = 0.22 3.9 ± 1.4 * Overall significance level between groups was calculated using the One-way ANOVA. When a p-value ˂ 0.05 was found, the independent t- test was used to relate an observed significant difference to a specific group. 2