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Table 1 Descriptive and inferential statistics with pooled groups of total bone depth (TBD), cortical bone thickness (CBT) and mucosa thickness (MT) outcomes

From: Evaluation of bone depth, cortical bone, and mucosa thickness of palatal posterior supra-alveolar insertion site for miniscrew placement

 

TBD

CBT

MT

Mean (SD)

Min–Max

Mean (SD)

Min–Max

Mean (SD)

Min–Max

zeroP

5.77(3.52)

0.78–26.32

1.47(0.65)

0.47–6.16

5.63(1.61)

0.83–12.11

 + 2 mm

6.43(3.51)

1.04–17.66

1.67(0.70)

0.55–5.10

5.26(1.70)

1.66–11.59

Multiple comparison test*

p < .001

 

p < .001

 

p = .001

 

−2 mm Vs zeroP**

p < .05

 

p < .001

 

NS

 

zeroP Vs + 2 mm**

p < .001

 

p < .001

 

p < .001

 

2 mm Vs −2 mm**

p < .05

 

p < .001

 

NS

 
 

Mean (SD)

Min–Max

Mean (SD)

Min–Max

Mean (SD)

Min–Max

45°

6.11(3.54)

0.92–26.32

1.55(0.62)

0.43–4.68

4.83(1.40)

1.62–14.05

60°

5.86(3.58)

0.78–19.57

1.43(0.59)

0.43–4.33

5.42(1.47)

1.78–10.67

75°

5.41(3.24)

1–17.57

1.41(0.69)

0.47–6.16

6.07(1.74)

0.83–12.11

Multiple comparison test*

p < .05

 

p < .001

 

p < .001

 

75° vs 60°**

NS

 

NS

 

p < .001

 

75° vs 45°**

p < .05

 

p < .001

 

p < .001

 

60° vs 45°**

NS

 

p < .05

 

p < .001

 
 

Mean (SD)

Min–Max

Mean (SD)

Min–Max

Mean (SD)

Min–Max

P2-M1

7.2(4.13)

1–26.32

1.54(0.57)

0.53–4.68

5.37(1.37)

2.52–12.11

M1F

5.04(2.85)

0.92–14.85

1.38(0.57)

0.43–4.64

5.33(1.50)

2.19–10.65

M1-M2

5.12(2.809

0.78–15.87

1.47(0.75)

0.43–6.16

5.62(1.93)

0.83–14.05

Multiple comparison test*

p < .001

 

p < .001

 

NS

 

P2-M1 vs M1-M2**

p < .001

 

p = .001

 

NS

 

P2-M1 vs M1F**

p < .001

 

p < .001

 

NS

 

M1-M2 vs M1F**

NS

 

NS

 

NS

 
 

Mean (SD)

Min–Max

Mean (SD)

Min–Max

Mean (SD)

Min–Max

Hypodivergent

6.62(3.7)

1.01–26.32

1.62(0.6)

0.58–4.68

4.90(1.1)

2.52–8.79

Mesodivergent

5.50(3.4)

0.92–19.57

1.40(0.6)

0.43–4.64

5.56(1.6)

2.19–12.11

Hyperdivergent

5.64(3.2)

0.78–17.48

1.47(0.8)

0.43–6.16

5.67(1.9)

0.83–14.5

Multiple comparison test*

p < .001

 

p < .001

 

p < .001

 

Hypodivergent Vs Mesodivergent**

p < .001

 

p < .001

 

p < .001

 

Mesodivergent Vs Hyperdivergent**

NS

 

NS

 

NS

 

Hypodivergent Vs Hyperdivergent**

p < .05

 

p < .001

 

p < .001

 
  1. Values are reported in millimeters (mm). *Kruskal–Wallis multiple comparison test and **Dunn–Bonferroni post hoc tests were used for inferential statistics evaluating the following independent variables: corono-apical evaluation level, miniscrew axis of inclination, inter-radicular location, and mandibular divergency