Brazilian Journal of Health Review ISSN: 2595-6825 23002 Brazilian Journal of Health Review, Curitiba, v.4, n.5, p. 23002-23018 sep./oct. 2021 Methodological quality assessment in systematic reviews in health sciences that included observational studies: a cross-sectional study Avaliação da qualidade metodológica em revisões sistemáticas na área das ciências da saúde que incluíram estudos observacionais: um estudo transversal DOI:10.34119/bjhrv4n5-382 Recebimento dos originais: 05/09/2021 Aceitação para publicação: 25/10/2021 Carla Massignan DDS, PhD Brazilian Centre for Evidence-Based Research (COBE), Federal University of Santa Catarina, Florianópolis, Brazil Department of Dentistry, University of Brasília, Brasília, Brazil carmassignan@yahoo.com.br Luciana Butini Oliveira DDS, PhD Address to Campus Universitário Reitor João David Ferreira Lima, s/nº. Trindade – Florianópolis – SC - 88040-900 Department of Dentistry, SLMandic, Campinas, Brazil lubutini@uol.com.br Lia Rosana Honnef DDS Brazilian Centre for Evidence-Based Research (COBE), Federal University of Santa Catarina, Florianópolis, Brazil Department of Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil. Address to Campus Universitário Reitor João David Ferreira Lima, s/nº. Trindade – Florianópolis – SC - 88040-900 lia.honnef@hotmail.com Júlia Meller de Oliveira DDS, MSc Brazilian Centre for Evidence-Based Research (COBE), Federal University of Santa Catarina, Florianópolis, Brazil Department of Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil. Address to Campus Universitário Reitor João David Ferreira Lima, s/nº. Trindade – Florianópolis – SC - 88040-900 julia_meller5@hotmail.com Karyn Lehmkuhl MSc Department of Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil. Address to Campus Universitário Reitor João David Ferreira Lima, s/nº. Trindade – Florianópolis – SC - 88040-900 karyn.lehmkuhl@ufsc.br