Table 2 Treatment effects in terms of the difference in change using linear multilevel models to account for 15 subjects and 120 teeth, and relative treatment effects of the change in terms of the odds ratio of the body segment referred to the gingival segment using ordinal multilevel models

0.09 (−0.10–0.28)

0.12 (− 0.07–0.31)

0.025 (− 0.11–0.16)

0.716

1.08 (0.62–1.90)

0.780

0.04 (− 0.15–0.23)

0.02 (− 0.17–0.22)

− 0.017 (− 0.15–0.12)

0.807

0.95 (0.54–1.66)

0.860

0.13 (0.02–0.25)

0.14 (0.02–0.26)

0.008 (− 0.11–0.12)

0.885

1.05 (0.57–1.94)

0.870

0.03 (−0.05–0.11)

0.01 (− 0.07–0.09)

− 0.017 (− 0.09–0.06)

0.668

0.87 (0.51–1.49)

0.608

0.07 (−0.01–0.15)

0.08 (0.004–0.16)

0.017 (− 0.06–0.09)

0.648

1.16 (0.68–1.98)

0.587

0.10 (0.01–0.19)

0.10 (0.01–0.19)

0.000 (−0.7–0.07)

1.000

0.97 (0.56–1.69)

0.911

0.34 (− 0.27–0.94)

0.40 (− 0.20–1.00)

0.066 (−0.41–0.54)

0.786

1.04 (0.65–1.66)

0.879

0.03 (− 0.65–0.70)

−0.004 (− 0.68–0.67)

−0.033 (− 0.51–0.44)

0.889

0.83 (0.52–1.33)

0.436

0.37 (− 0.001–0.73)

0.40 (0.03–0.77)

0.032 (−0.37–0.43)

0.873

0.92 (0.57–1.47)

0.726

0.19 (− 0.43–0.81)

0.18 (− 0.44–0.80)

−0.008 (− 0.48–0.47)

0.972

1.06 (0.66–1.69)

0.809

0.42 (− 0.13–0.96)

0.29 (− 0.26–0.83)

−0.129 (− 0.55–0.29)

0.543

0.85 (0.53–1.36)

0.498

0.61 (0.19–1.03)

0.47 (0.05–0.89)

−0.138 (− 0.51–0.23)

0.464

0.78 (0.49–1.25)

0.302

2.10 (1.50–2.69)

2.46 (1.86–3.05)

0.360 (− 0.16–0.89)

0.176

1.43 (0.88–2.33)

0.154

2.15 (1.64–2.66)

2.35 (1.84–2.86)

0.197 (−0.33–0.72)

0.460

1.23 (0.77–1.97)

0.392

1.80 (1.39–2.22)

1.86 (1.45–2.28)

0.062 (− 0.37–0.49)

0.777

1.11 (0.68–1.81)

0.688

0.38 (− 0.46–1.22)

0.42 (−0.41–1.26)

0.043 (− 0.56–0.65)

0.889

1.01 (0.63–1.61)

0.979

0.32 (− 0.48–1.12)

0.21 (−0.59–1.01)

−0.11 (− 0.66–0.44)

0.691

0.92 (0.58–1.47)

0.739

0.70 (0.22–1.18)

0.63 (0.15–1.11)

−0.068 (− 0.55–0.41)

0.781

0.96 (0.60–1.54)

0.882

0.31 (− 0.17–0.80)

0.30 (− 0.19–0.78)

−0.016 (− 0.35–0.32)

0.926

1.01 (0.63–1.60)

0.975

0.06 (− 0.37–0.50)

0.05 (− 0.39–0.49)

−0.012 (− 0.31–0.29)

0.936

0.91 (0.57–1.46)

0.704

0.38 (− 0.03–0.78)

0.33 (− 0.06–0.75)

−0.028 (− 0.31–0.26)

0.847

0.93 (0.58–1.48)

0.748

0.23 (− 0.29–0.75)

0.17 (− 0.35–0.69)

−0.053 (− 0.36–0.26)

0.738

0.84 (0.53–1.33)

0.449

0.20 (− 0.25–0.66)

0.17 (− 0.28–0.62)

−0.034 (− 0.31–0.24)

0.805

0.90 (0.56–1.44)

0.668

0.43 (0.05–0.82)

0.34 (− 0.04–0.73)

−0.087 (− 0.33–0.15)

0.471

0.77 (0.49–1.23)

0.279

1.63 (1.17–2.10)

1.74 (1.28–2.21)

0.111 (− 0.26–0.48)

0.552

1.33 (0.83–2.14)

0.239

1.45 (1.03–1.87)

1.65 (1.22–2.07)

0.199 (−0.16–0.56)

0.271

1.32 (0.82–2.13)

0.260

1.61 (1.24–1.97)

1.39 (1.03–1.76)

−0.214 (− 0.51–0.08)

0.155

0.80 (0.49–1.28)

0.346