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International Journal of Implant Dentistry

Table 2 Baseline and re-entry measurement of the alveolar ridge width

From: The effect of membrane exposure on lateral ridge augmentation: a case-controlled study

Groups

Initial ridge width (mm)

Ridge width at re-entry (mm)

Ridge width gain (mm)

Exposed (tests)

3.6 ± 1.0

5.0 ± 1.4

1.4 ± 1.0

Non-exposed (control)

3.4 ± 1.2

6.0 ± 1.1

2.6 ± 1.0

Fisher-Pitman permutation

p = 1.00

p = 0.168

p = 0.047

  1. At the entry and re-entry, the alveolar ridge width was measured using a digital caliper at the crestal level in both groups. In the control group (non-exposure), the mean ridge width was 3.4 mm and changed to 6.0 mm (p < 0.01). In the test group, the mean of ridge was 3.6 mm and changed to 5.0 mm. p values that were calculated for between mean groups analysis are displayed. Alveolar ridge gain was calculated by subtracting re-entry measurement from the entry measurement for each patient at the crestal level using a digital caliper. In the control group, the mean of the gain was 2.6 mm, while it was 1.4 mm in the test group. p values for between-groups analysis are displayed
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