“…None of the selected studies were randomized controlled clinical trials. Three studies were retrospective (Choquet, Hermans, Adriaenssens, Daelemans, Tarnow, & Malevez, ; Cosyn, Sabzevar, & De Bruyn, ; Perez, Segalla, Marcantonio Jr, Lauris, Ribeiro, & Ferreira, ), and six studies were prospective (Borges, Lima, Carvalho, Dourado, & Carvalho, ; Degidi, Nardi, & Piattelli, ; Henriksson & Jemt, ; Lops, Romeo, Chiapasco, Procopio, & Oteri, ; Lops, Mosca, Müller, Rossi, Rozza, & Romeo, ; Malchiodi, Cucchi, Ghensi, & Nocini, ), while three papers described data collected from cross‐sectional clinical studies (Chang & Wennström, ; Nisapakultorn, Suphanantachat, Silkosessak, & Rattanamongkolgul, ; Palmer, Farkondeh, Palmer, & Wilson, ). Ten studies were conducted in a university (Borges et al., ; Chang & Wennström, ; Choquet et al., ; Cosyn et al., ; Henriksson & Jemt, ; Lops et al., , ; Malchiodi et al., ; Nisapakultorn et al., ; Perez et al., ) one in private practice (Degidi et al., ) and one in both of the settings (Palmer et al., ) (Table ).…”