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Table 7 Frequency distribution and the result of the χ2 analysis of the modified remnant index (MRI) after debonding procedures*

From: Clinical performance of uncoated and precoated polymer mesh base ceramic brackets

 

MRI scores

0

1

2

3

4

5

Total

eXact

121

105

26

4

25

60

341

InVu

133

55

10

18

34

113

363

  1. *χ2 = 49.183 on 5 df; P = 0.000