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Table 3 Modified downs and black scores

From: The association between black stain and lower risk of dental caries in children: a systematic review and meta-analysis

  Author/date Total (16)   Author/date Total (16)
1 {Akyuz, 2015} [22] 11/16 8 {Heinrich-Weltzien, 2014} [10] 9/16
2 {Garan, 2012} [23] 10/16 9 {Hwang, 2020} [27] 5/16
3 {Boka, 2013} [24] 14/16 10 {Koch, 2001} [28] 10/16
4 {Chen, 2014} [15] 15/16 11 {Muthu, 2019} [29] 9/16
5 {Elelmi, 2020} [25] 11/16 12 {Mutsaddi, 2018} [30] 9/16
6 {França-Pinto, 2012} [26] 13/16 13 {Sharaf, 2017} [31] 13/16
7 {Garcia Martin, 2013} [12] 12/16 14 {Tripodi, 2016} [32] 11/16