Bagde, H. , Banakar, S. , Waghmare, A. , Bagde, A., Chaturvedi, S.S. and Patil, S.R. 2021. Assessment of the Relationship Between Matrix Metalloproteinase-9 Promoter Gene Polymorphism and Chronic Periodontitis. Pesquisa Brasileira em Odontopediatria e Clínica Integrada. 21, (Nov. 2021), e0264.