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Table 5 Areas of the OGEs

From: The incidence and severity of open gingival embrasures in adults treated with clear aligners and fixed appliances: a retrospective cohort study

Measurement (Mean ± SD)

Clear aligners

Fixed appliances

P value

Maxilla

0.16 ± 0.12

0.05 ± 0.03

0.001***

Mandible

0.21 ± 0.24

0.05 ± 0.06

0.001***

  1. The mean and standard deviations of open gingival embrasure areas (mm2) in the clear aligner group and fixed appliance group was computed respectively
  2. OGE Open gingival embrasure, SD Standard deviation
  3. *** P = .001
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Head & Face Medicine

ISSN: 1746-160X

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