00556nam 2276981 450000100060000000300230000600500090002900800410003808200120007907200120009102000180010310000140012126000180013525000060015324500270015965000120018665000400019865000460023865000250028465000310030976981StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a617.632 agingiva a81-8061-406-9 aB bhavani bJAYPEE c2005 a3 amcqs in periodontology agingiva ahistorical events in periodontology anatural protective mechanisms for gingiva aperiodontal ligament acementum and alveolar bone