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Table 2 Frequency distribution and the result of the chi-square analysis of the Adhesive Remnant Index

From: In vitro evaluation of a ceramic bracket with a laser-structured base

Groups

ARI scorea

0

1

2

3

Fascination 2

30

Pearl

3

7

10

10

  1. χ2 = 49.091, P = 0.000
  2. aScore 0 = no composite left on enamel surface; score 1 = less than half of composite left; score 2 = more than half of composite left; score 3 = all composite left on enamel surface