Effectiveness of lip repositioning surgeries in the treatment of excessive gingival display: a systematic review and meta-analysis - Santos-Pereira, Silvio Antonio dos; Cicareli, Álvaro José; Idalgo, Fábio Alarcon; Nunes, Alexandre Gomes; Kassis, Elias Nasr Naim; Henriques, José Fernando Castanha; Bellini-Pereira, Silvio Augusto (Journal of Esthetic and Restorative Dentistry, 2021)