00451nam a22001697a 4500003000400000020001800004082001700022100001700039245006400056250000800120260003300128300000800161650001900169653005800188700001700246700001800263SGT  a9788131229996  a617.632 P12B  aBains, Vivek  aPeriodontology : Exam Preparatory Manual for Undergraduates  a1st  aDelhi, IndiabElsevierc2012  a467  aPeriodontology  aPeriodontology; Periodontal Disease; Gingival Disease  aGupta, Vivek  aBansal, Jyoti