1. Oral Pathology Department School of Dentistry Universidade Federal do Rio Grande do Sul Porto Alegre Brazil
2. Department of Oral Medicine Hospital de Clínicas de Porto Alegre (HCPA) Porto Alegre Brazil
3. Dental Specialty /Stomatology Center Porto Alegre Brazil
4. Telessaude RS‐UFRGS Universidade Federal do Rio Grande do Sul Porto Alegre Brazil