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Progress in Orthodontics

Table 1 Comparison of mean labial alveolar bone thickness and angulation at initial and final stage

From: Alveolar bone remodeling during maxillary incisor intrusion and retraction

 

Initial stage

Final stage

 

Mean

SD

Mean

SD

P value

Thickness

 B1

1.06

0.409

1.19

0.776

0.358

 B2

1.16

0.449

1.40

0.905

0.140

 B3

1.56

0.647

1.95

1.094

0.032*

Angulation

 θ

1.18

4.710

3.77

6.148

0.058

  1. B1, B2, B3: labial alveolar bone thickness at 3-, 6-, and 9-mm distance from the alveolar crest; θ: measured angle between the line tangent to the margin of the incisor at the alveolar crest level and the line tangent to the outline of the alveolar bone
  2. SD, standard deviation
  3. *P < 0.05, **P < 0.005, ***P < 0.001, statistically significant; paired t test
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