CavalcanteS.K. da S., NoronhaT.C., Roncolato Álvaro T.L., LimaK.E.R., PaulinoM.R., LimaK.K.C., MendesT.A.D., CarneiroS.V., SilvaC.H.F. da and FontesN.M. 2021. The use of hyaluronic acid associated with diastema closure for the treatment of black spaces: clinical case study. Electronic Journal Collection Health. 13, 4 (Apr. 2021), e6958. DOI:https://doi.org/10.25248/reas.e6958.2021.