Bulletin of the National Research Centre

Table 3 Risk of bias assessed by the Joanna Briggs Institute Critical appraisal checklist for case series

From: Photobiomodulation (PBMT) and antimicrobial photodynamic therapy (aPDT) in oral manifestations of patients infected by Sars-CoV-2: systematic review and meta-analysis

Authors	Q.1	Q.2	Q.3	Q.4	Q.5	Q.6	Q.7	Q.8	Q.9	Q.10	%yes/risk
Baeder et al. (2021)	U	√	√	√	√	√	√	√	–	N/A	70%/30%
Brandão et al. (2021)	U	√	√	√	√	√	√	√	–	N/A	70%/30%
Ramires et al. (2021)	√	√	√	N/A	N/A	√	√	√	–	N/A	60%/40%
Teixeira et al. (2021)	√	√	√	√	√	√	√	√	–	N/A	80%/20%
Garcez et al. (2021)	√	√	√	N/A	√	√	√	√	–	N/A	70%/30%

√-yes; –-No; U-Unclear; N/A-not applicable

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