Couto e Silva, Juliana, Lucas Guimarães Abreu, Fabiano Araújo Cunha, Bárbara Lopes Freire, & Rafael Paschoal Esteves Lima. " Effectiveness of lip repositioning in the treatment of excessive gingival display: systematic review and meta-analysis." Journal of Oral Research [Online], 12.1 (2023): 35-47. Web. 29 Apr. 2024