AUTHOR=Palma Pamella V. , Leite Isabel Cristina G. TITLE=Epidemiology and Social Inequalities of Periodontal Disease in Brazil JOURNAL=Frontiers in Public Health VOLUME=2 YEAR=2014 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2014.00203 DOI=10.3389/fpubh.2014.00203 ISSN=2296-2565