Sachetti, D. G. .; Pretto Zatt , F. .; Trevizan, T. C.; Silva, C. F. e .; Muniz, F. W. M. G.; Rösing, C. K. .; Colussi, P. R. G. . Concern With Dental Appearance and Associated Factors Among the Elderly of Two Southern Brazilian Cities: A Cross-Sectional Study. Braz. J. Oral Sci. 2020, 19, e209272.