Impact of saliva and intraoral appliance on erosion lesions rehardening ability: a pilot study - Mendonça, Fernanda Lyrio; Ionta, Franciny Querobim; Alencar, Catarina Ribeiro Barros de; Oliveira, Gabriela Cristina de; Gonçalves, Priscilla Santana Pinto; Oliveira, Thais Marchini de; Honório, Heitor Marques; Rios, Daniela (Brazilian Research in Pediatric Dentistry and Integrated Clinic, 2016)