Caroliene Meijndert

33 Single implants in the aesthetic region preceded by local ridge augmentation Table 6. Aesthetic assessment. Mean penalty scores, minimum and maximum values of the Implant Crown Aesthetic Index and percentage of acceptable penalty results (acceptable scores 0-4) at 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 T 12 Total % acceptable results 4.3 (0-13) 65% 5.2 (1-14.5) 61% 4.7 (1-14) 65% p overall  =0.47 4.7 (0.5-14.5) 66% Crown (range) % acceptable results 1.2 (0-5) 90% 1.4 (0-6) 97% 1.2(0-5.5) 93% p overall  =0.21 1.3 (0-6) 90% Mucosa (range) % acceptable results 3.1 (0-11) 81% 3.8 (1-11) 65% 3.6 (0-8.5) 72% p overall  =0.25 3.5 (0-11) 70% T 120 Total (range) % acceptable results 4.9 (1-14) 62% 6.5 (2-17) 50% 5.3 (1-13) 42% p overall  =0.21 5.5 (1-17) 59% Crown (range) % acceptable results 1.9 (0-6) 86% 2.0 (0-6) 75% 1.5 (0-5) 84% p overall  =0.49 1.9 (0-6) 82% Mucosa (range) % acceptable results 3.0 (1-11) 83% 4.4 (1-12) 67% 3.8 (0-11) 86% p overall  =0.17 3.7 (0-12) 74% Significance level between follow-up periods ** Mean total score p=0.31 p=0.08 p=0.64 p=0.051 Mean crown score p=0.06 p=0.052 p=0.36 p=0.004 Mean mucosa score p=0.76 p=0.36 p=0.93 p=0.69 *Overall significance was calculated with the Kruskal–Wallis test. **Significance between two follow-up periods were calculated with the Wilcoxon signed rank test. 2