Table 3: Number of participants completing study and number of teeth assessed during the study.

AuthorThe numbers of participantsStatistics calculated

Nishida et al. [39]54 subjects (290 teeth)Unreported
Uchida et al. [40]60 subjects (249 teeth)Unreported
Wallace and Bissada [41]10 subjectsUnreported
Fischer et al. [9]13 subjects (2 dropouts reason not given)Unreported
Grant et al. [42]23 subjectsUnreported
Wang et al. [43]25 patientsUnreported
Pihlstrom et al. [44]52 subjectsUnreported
Tammaro et al. [12]49 subjects (14 dropouts reason not given)Unreported
Xu and Yang [45]52 subjects (1453 teeth)Unreported
Vaitkevičienė et al. [15]67 subjects (5 dropouts reason not given)Unreported
C. F. Canakçi and V. Canakçi [46]56 subjectsUnreported
Gong et al. [47]45 subjects (7 dropouts reason not given)Unreported