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Progress in Orthodontics

Table 6 Frequency distribution and the result of the χ2 analysis of the wing fracture*

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

 

No fracture

Fracture

Fracture rate (%)

eXact

367

13

3.4

InVu

373

7

1.8

  1. *χ2 = 1.849 on 1 df; P = 0.174
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