Diederik Hentenaar

94 Chapter 4 Table 3. Generalized linear mixed model outcomes for mean difference in BoP, SoP, Plq, PPD and MBL between test and control group at T12 Crude analysis ¶ Adjusted analysis § Outcome β (95% CI) p -value β (95% CI) p -value Mean BoP† 0.034 (-0.009 to 0.077) 0.120 0.037 (-0.016 to 0.089) 0.170 Mean SoP‡ 0.157 (-0.000 to 0.314) 0.051 0.211 (0.017 to 0.406) 0.035 Mean Plq‡ -0.169 (-0.319 to -0.019) 0.027 -0.002 (-0.163 to 0.159) 0.979 Mean PPD† 0.083 (-0.018 to 0.184) 0.108 0.052 (-0.075 to 0.178) 0.423 MBL† -0.019 (-0.063 to 0.025) 0.405 -0.030 (-0.098 to 0.037) 0.377 † Normal distributed data analysed with linear model distribution ‡ Non-normal distributed data analysed with gamma distribution ¶ Adjusted for baseline value and time § Adjusted for baseline value, time, smoking, history of periodontitis, mean periodontal full mouth plaque score at T12, mean marginal bone loss at T0 and implant surface Table 4. Distribution of sites with BoP in implants with PPD < 5mm, without suppuration and progressive bone loss > 0.5mm Sites with BoP N (% of total implants) Air-polishing Saline-soaked gauzes 0 out of 6 9 (9.6%) 6 (25.0%) 3 (18.8%) 1 out of 6 9 (9.6%) 7 (29.2%) 2 (12.5%) 2 out of 6 9 (9.6%) 6 (25.0%) 3 (18.8%) 3 out of 6 6 (6.4%) 2 (8.3%) 4 (25.0%) 4 out of 6 6 (6.4%) 2 (8.3%) 4 (25.0%) 5 out of 6 1 (1.1%) 1 (4.2%) 0 (0.0) 6 out of 6 0 (0.0%) 0 (0.0%) 0 (0.0) 40/94 24/40 16/40