“…As shown in Table 1 , LOE assessments found that two studies met Level 2 criteria and seven studies were Level 3. Following the Newcastle-Ottawa Scale, all included non-RCTs[ 5 , 6 , 7 , 8 , 9 , 11 , 13 ] with scores ≥ 7 were considered to be of high quality. The two RCTs[ 10 , 12 ][ 10 , 12 ][ 10 , 12 ][ 10 , 12 ](Sabnis and Ganesamoni et al, 2013; Kandemir and Guven et al, 2017)(Sabnis and Ganesamoni et al, 2013; Kandemir and Guven et al, 2017)(Kandemiret al 2017,1–6,Sabniset al 2013,355–361)Kandemir et al (2017);Sabnis et al (2013)[ 10 , 12 ][ 10 , 12 ][ 10 , 12 ] assessed by the Cochrane Risk of Bias Tools were scored with five points and three points, respectively.…”