“…At least two comparator dental treatments were assessed in all studies, except for two studies [32, 38]. The most common comparator procedure was restorative, which was assessed in 20 studies [8, 10, 12, 23, 24, 26–30, 33–42], followed by oral surgery in 17 studies [8, 10, 23–26, 30–37, 39–41], and finally cleaning in 13 studies [8, 10, 24, 31, 33–37, 39–42]. For the most popular comparator treatments, most studies did not subgroup the procedures, except for Collado et al.…”