00320nam a22000977a 4500082001500000100004600015245007400061260006400135300000900199700001400208  a616.6bSWA  aSwami Devi Dyal Hospital & Dental College  aXXXIII National annual conference of Indian society of periodontology  aChandigarhbSwami Devi Dyal Hospital & Dental Collegec2008  a56p.  aDentistry