Table 2 Treatment time to alignment in days for each group
From: Intraoral photobiomodulation-induced orthodontic tooth alignment: a preliminary study
|  | # of Arches | Mean (SD) | Median | Min–Max | p-value* | |
|---|---|---|---|---|---|---|
Group | ||||||
|  | Control | 10 | 104 (55) | 102 | 42–204 | 0.0053 |
|  | PBM | 18 | 48 (39) | 37 | 17–164 |  |