| Clear aligners | Fixed appliances | P value |
---|
Maxilla | 35.00% | 18.00% | 0.006** |
Mandible | 38.00% | 24.00% | 0.032* |
- A chi-square test was used to compare the incidence of OGEs between the clear aligner and fixed appliance group
- OGE Open gingival embrasure
- *P < .05; ** P < .01