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Kottapalli, P., Madu, G.P., Ambati, N.R., Bolla, D., Rayala, V.S. and Narra, R. 2019. Clinical and Radiographic evaluation of mixture of Zinc Oxide powder and Nanohydroxyapatite as an obturating material in primary molars. Brazilian Dental Science. 22, 1 (Jan. 2019), 63–69. DOI:https://doi.org/10.14295/bds.2019.v22i1.1651.