Evaluation of the effect of adding a flexible acrylic resin to the lingual flanges of the mandibular complete denture upon the masticatory efficiency in edentulous patients Using Color–changeable Chewing Gum. Journal of Hama University , [S. l.], v. 4, n. 1, 2021. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/536. Acesso em: 6 jun. 2026.