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Table 2 Frequency distribution and the result of the chi-square analysis of the adhesive remnant index (ARI)

From: Effect of self-etch primer application on the bond failure rate of a mandibular bonded lingual retainer

 

ARI scores

0

1

2

3

Study group

2

0

–

6

Control group

2

1

–

1

  1. ARI scores: 0, no composite left on enamel surface; 1, less than half of composite left; 2, more than half of composite left; and 3, all composite left
  2. χ2 = 3.643 on 2 df P = 0.162
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BMC Oral Health

ISSN: 1472-6831

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