Morphology and size of interdental area | Height of concave interdental area | ECE in % | p-value | insertion force in N | p-value | mean push in N | p-value | mean pull in N | p-value | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
IRP-F | IRP-S | IRP-F | IRP-S | IRP-F | IRP-S | IRP-F | IRP-S | ||||||
Isosceles triangle | 31.18 ± 7.22 | 31.09 ± 1.55 | p = 0.944 | 3.34 ± 1.09 | 1.60 ± 0.83 | p < 0.001 | 1.55 ± 0.50 | 0.85 ± 0.38 | p < 0.001 | 0.73 ± 0.26 | 0.45 ± 0.19 | p < 0.001 | |
convex | 16.69 ± 9.61 | 13.08 ± 4.58 | p = 0.003 | 2.30 ± 1.12 | 1.47 ± 1.18 | p < 0.001 | 1.25 ± 0.6 | 0.87 ± 0.64 | p < 0.001 | 0.65 ± 1.73 | 0.47 ± 0.33 | p < 0.001 | |
concave | 3 mm | 21.08 ± 6.59 | 19.54 ± 5.75 | p = 0.131 | 5.20 ± 1.84 | 3.39 ± 1.95 | p < 0.001 | 2.45 ± 0.90 | 1.67 ± 0.97 | p < 0.001 | 0.96 ± 0.23 | 0.8 ± 0.45 | p = 0.004 |
5 mm | 17.32 ± 8.17 | 13.58 ± 8.20 | p = 0.007 | 1.98 ± 0.88 | 1.33 ± 0.87 | p < 0.001 | 1.01 ± 0.46 | 0.71 ± 0.43 | p < 0.001 | 0.48 ± 0.21 | 0.35 ± 0.21 | p < 0.001 | |
3 + 5 mm | 19.10 ± 7.67 | 16.86 ± 7.55 | p = 0.013 | 3.60 ± 2.16 | 2.36 ± 1.83 | p < 0.001 | 1.73 ± 1.02 | 1.19 ± 0.89 | p < 0.001 | 0.72 ± 0.33 | 0.57 ± 0.42 | p < 0.001 | |
1.0 mm | 19.14 ± 11.7 | 18.36 ± 13.22 | p = 0.213 | 3.23 ± 1.73 | 1.73 ± 1.10 | p < 0.001 | 1.56 ± 0.77 | 0.88 ± 0.47 | p < 0.001 | 0.74 ± 0.32 | 0.44 ± 0.21 | p < 0.001 | |
1.1 mm | 17.68 ± 7.46 | 18.82 ± 7.58 | p = 0.844 | 2.22 ± 1.04 | 2.11 ± 1.93 | p = 0.605 | 1.05 ± 0.44 | 1.13 ± 0.98 | p < 0.001 | 0.56 ± 0.21 | 0.57 ± 0.47 | p < 0.001 | |
1.3 mm | 28.17 ± 6.82 | 20.53 ± 8.59 | p < 0.001 | 4.13 ± 1.96 | 1.97 ± 1.19 | p < 0.001 | 2.10 ± 0.90 | 1.04 ± 0.54 | p < 0.001 | 0.82 ± 0.24 | 0.53 ± 0.25 | p < 0.001 |