Effect of Immigration and Ethnicity on Periodontal Disease (image) New York University Share Print E-Mail Caption Dr. Gustavo D. Cruz IADR 2007 presentation poster. Credit Gustavo D. Cruz, D.M.D., M.P.H. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.