Comments regarding: Pellizzer EP, Marcela de Luna Gomes J, Araújo Lemos CA, Minatel L, Justino de Oliveira Limírio JP, Dantas de Moraes SL. The influence of crown-to-implant ratio in single crowns on clinical outcomes: A systematic review and meta-analysis. J Prosthet Dent 2021;126:497-502