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Table 4 Comparison of matching percentage of pre-treatment and post-retention radicular shells (T0-T1 superimposition) for each tooth investigated

From: External root resorption and rapid maxillary expansion in the short-term: a CBCT comparative study between tooth-borne and bone-borne appliances, using 3D imaging digital technology

 

T0-T1 matching (%)

TB Group

BB Group

Teeth

n

Mean

SD

p value*

Mean

SD

p value*

p value**

P1 (a)

20

83,89 (c)

3,73

p < 0.05

92,90 (c)

3,20

p < 0.05

p < 0.05

P2 (b)

20

86,03 (c)

4,18

94 (c)

2,90

p < 0.05

M1 (c)

20

77,16 (a,b)

5,27

86,77 (a,b)

4,18

p < 0.05

  1. P1 First premolar, P2 Second premolar, M1 First molar, n Number of teeth, SD Standard deviation
  2. p value* based on one-way analysis of Variance (ANOVA) for intra-group comparisons (different teeth), and set at p < 0.05
  3. p value** for inter-groups comparisons, based on Independent Student's t test and set at p < 0.05
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BMC Oral Health

ISSN: 1472-6831

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