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Table 3 Descriptive statistics and results of LSD test for the six groups

From: Effect of remineralizing agents on bond strength of orthodontic brackets: an in vitro study

Groups Number Shear bond strength Multiple comparison (LSD test),pvalue
Mean S.D. Min Max A1 B1 C1 A2 B2 C2
(MPa)   (MPa) (MPa)
A1 20 9.76 3.33 4.12 14.77 - 0.030* 0.388 0.035* 0.024* 0.738
B1 20 12.07 2.96 6.22 19.44   - 0.187 0.000* 0.000* 0.065
C1 20 10.67 4.60 5.76 20.23    - 0.003* 0.002* 0.596
A2 20 7.52 1.51 4.46 10.20     - 0.876 0.015*
B2 20 7.36 2.54 3.08 10.38      - 0.010*
C2 20 10.12 4.04 4.91 16.69      -
  1. N, sample size; SD, standard deviation; Min, minimum; Max, maximum; A1, CPP-ACP bonded with light cure; B1, CPP-ACP-F bonded with light cure; C1, control bonded with light cure; A2, CPP-ACP bonded with chemical cure; B2, CPP-ACP-F bonded with chemical cure; C2, control bonded with chemical cure.
  2. *p values <0.05 (significant).