Evaluation of the attractiveness of different gingival zeniths in smile esthetics - Nomura, Suzy; Freitas, Karina Maria Salvatore; Silva, Paula Patrícia Cotrin da; Valarelli, Fabricio Pinelli; Cançado, Rodrigo Hermont; Freitas, Marcos Roberto de; Oliveira, Renata Cristina Gobbi de; Oliveira, Ricardo Cesar Gobbi de (Dental Press Journal of Orthodontics, 2018)