A scoping review on hyposalivation associated with systemic conditions: the role of physical stimulation in the treatment approaches oleh Jéssica Luiza de Mendonça Albuquerque Melo, Camila Pinho e Souza Coelho, Fernanda de Paula e Silva Nunes, Debora Heller, Daniela Corrêa Grisi, Maria do Carmo Machado Guimarães, Naile Dame-Teixeira