Table 2 Efficacy of removed simulated biofilm (RCE-b in %) and hard deposits (RCE-d in %) with Gracey curettes (GRA) or sonic scaler (AIR) and the treatment time (in min) for all 12 test teeth after training phase either with digitized training program (DTP) or conventional training program (CTP)
Variable | DTP concept (Graetz et al. [11]) | CTP concept | Differences between groups of training concepts |
|---|---|---|---|
Overall RCE-b in %a | |||
GRA | 71.54(23.90) | 67.23 (24.72) | p = 0.004 |
AIR | 71.75(23.05) | 62.63 (28.34) | p < 0.001 |
Differences between groups of instruments | p = 0.864 | p = 0.011 | |
RCE-b in % anterior teeth | |||
GRA | 71.14 (26.36) | 65.51 (22.88) | p = 0.039 |
AIR | 69.19 (22.59) | 67.28 (26.11) | p = 0.454 |
Differences between groups of instruments | p = 0.401 | p = 0.541 | |
RCE-b in % premolar | |||
GRA | 71.35 (22.09) | 56.07 (24.53) | p < 0.001 |
AIR | 81.28 (19.0) | 64.06 (29.14) | p < 0.001 |
Differences between groups of instruments | p < 0.001 | p = 0.013 | |
RCE-b in % molar | |||
GRA | 72.08 (23.35) | 79.82 (20.85) | p = 0.001 |
AIR | 64.95 (24.10) | 56.78 (28.73) | p = 0.003 |
Differences between groups of instruments | p = 0.001 | p < 0.001 | |
Overall RCE-d in %a | |||
GRA | 84.68 (16.84) | 88.35 (11.46) | p = 0.471 |
AIR | 77.85 (13.98) | 83.46 (11.69) | p = 0.158 |
Differences between groups of instruments | p < 0.001 | p = 0.201 | |
Treatment time in min per 6 test teeth per group of instruments | |||
GRA | 16.67 (3.31) | 22.58 (4.20) | p < 0.001 |
AIR | 19.80 (4.52) | 22.26 (3.81) | p < 0.001 |
Differences between groups of instruments | p < 0.001 | p = 0.236 | |