Table 4.

Risk of bias assessment.

Citation [ref]	Randomization	Sample Size Calculation and Required Number Included	Allocation Ratio of 1:1	Baseline Situation Similar	Blinding	Parameters of Laser Use Described Appropriately and Calculations Correct	Power Meter Used	Numerical Results Available (Statistics)	Outcome Data Complete	Correct Inter-pretation of Data	Total Score/10
Endo + ConvLas
Genc Sen et al. (2019) [28]	yes	yes	yes	yes	yes	yes	no	yes	yes	yes	9
Dagher et al. (2019) [29]	yes	no	no	yes	yes	yes	no	yes	yes	yes	7
Morsy et al. (2018) [30]	yes	yes	yes	yes	yes	no	no	yes	yes	yes	9
Yoo et al. (2013) [31]	yes	yes	yes	yes	yes	no	no	yes	yes	yes	9
Endo + aPDT
Coelho et al. (2019) [32]	yes	yes	yes	yes	yes	yes	no	yes	yes	yes	9
de Miranda et al. (2018) [33]	yes	yes	yes	yes	yes	yes	no	yes	yes	yes	9
Pourhajibagher et al. (2017) [34]	yes	no	yes	yes	yes	yes	no	yes	yes	yes	8
Juric et al (2014) [35]	yes	no	yes	yes	yes	yes	no	yes	yes	yes	8
Garcez et al. (2010) [36]	yes	no	yes	yes	yes	yes	no	no	yes	yes	7
Endo + PBM
Nunes et al. (2019) [37]	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	10
Lopes et al. (2019) [38]	yes	yes	yes	yes	yes	yes	no	yes	yes	yes	9
Doganay et al. (2019) [39]	yes	no	yes	yes	yes	no	no	yes	yes	yes	7
Arslan et al. (2018) [40]	yes	no	yes	yes	yes	yes	no	yes	yes	yes	8
Nabi et al. (2018) [41]	yes	no	yes	yes	no	no	no	yes	yes	yes	6
Doganay et al. (2018) [42]	yes	no	yes	yes	yes	yes	no	yes	yes	yes	8
Arslan et al. (2017) [43]	yes	yes	yes	yes	yes	yes	no	yes	yes	yes	9
Asnaashari et al. (2017) [44]	yes	yes	no	yes	no	no	no	yes	yes	yes	6