From: Intraoral photobiomodulation-induced orthodontic tooth alignment: a preliminary study
 | Total | Control | PBM | |||||
---|---|---|---|---|---|---|---|---|
 | mean or % | SD | mean or % | SD | mean or % | SD | p-value* | |
Demographic Characteristics | ||||||||
 | n | 19 |  | 8 |  | 11 |  |  |
 | Age (years) | 13.9 | 1.7 | 13.5 | 1.8 | 14.1 | 1.7 | NS |
 | Female (%) | 68.4 |  | 62.5 |  | 72.7 |  | NS |
 | Caucasian (%) | 68.4 |  | 75 |  | 63.6 |  | NS |
Clinical Characteristics | ||||||||
 | Number of Arches | 28 |  | 10 |  | 18 |  |  |
 | Upper Arches | 13 |  | 3 |  | 10 |  | NS |
 | Lower Arches | 15 |  | 7 |  | 8 |  | NS |
 | Mandible (%) | 53.6 |  | 70 |  | 44.4 |  | NS |
 | Crowding (LII - mm) | 6.7 | 2.6 | 5.8 | 1.6 | 7.3 | 3.0 | NS |