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Table 3 Percentage of teeth affected by severe EARR (tooth level)

From: Root resorption, treatment time and extraction rate during orthodontic treatment with self-ligating and conventional brackets

 

SL (n = 1112)

Non-SL (n = 592)

Total (N = 1704)

 

n (%)

n (%)

n (%)

sEARR

   

  Present

3 (0.3)

3 (0.5)

6 (0.4)

  Not present

1109 (99.7)

589 (99.5)

1698 (99.6)

  1. SL: self-ligating, SD: standard deviation, EARR: external apical root resorption.
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Head & Face Medicine

ISSN: 1746-160X

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