00331nam a22001337a 4500003000400000020001800004082001800022100002900040245004500069260003800114300000700152650001900159653001900178SGT  a9786204717296  a617.632bD21T  aTomar, Megha...[et. al.]  a3-Dimensional Printing in Periodontology  bLambert Academic Publishingc2021  a93  aPeriodontology  aPeriodontology