[1] Universidade Federal do Rio Grande do Sul,Department of Conservative Dentistry
[2] TelessaúdeRS-UFRGS,Oral Pathology, School of Dentistry
[3] Hospital de Clínicas de Porto Alegre (HCPA),Department of Oral Medicine
[4] Porto Alegre City Hall,Dental Specialty/Oral Medicine Center
[5] Pontifícia Universidade Católica do Rio Grande do Sul,Department of Oral Medicine
[6] Hospital de Clínicas de Porto Alegre (HCPA),Primary Health Care Service
[7] Hospital de Clínicas de Porto Alegre (HCPA),Residence in Family and Community Medicine
[8] School of Dentistry,undefined