简介:INTRODUCTIONBonebiomaterialshavebeenwelldevelopedinrecentyearsandfrequentlyusedclinicallyinorthopedic,traumaticandodontologicalsurgeries.Amongst,bioceramicsissimilartothemineralconstituentsofourskeletonandhighlyappraisedduetoitsexcellentcharacteristicsinbio-compatibility,mechanicalandbio-degradableproperties,andbone-inductivity.
简介:INTRODUCTIONCalciumphosphatecements(CPC)overcomethepracticaldisadvantagesofblocksorgranuleslcanbehandledasapasteandsitinsitu.TheirstructureandcompositionclosetothatofHAPmakethembiocompatiblematerials.2Theconventionalcalciumphosphatecementhadsomeproblemssuchaslongsettingtime(30~60min)andlowcompressivestrength,etc.Inoursystem,anα-TCP/TTCPpowdermixturewasmixedwithwatercontainingcitricacidtocontrolthesettingtimeandcompressivestrength.Inthispaper,theeffectsofvariousconcentrationcitricacidsolutionsonthepropertiesofthecementarereported.
简介:Thecruxoftissueengineeringistoconstructhighlyporousthree-dimensionalscaffoldwithdesiredcellsonit.Becausethescaffoldservesasbothaphysicalsupportandanadhesivesubstrateforisolatedcellsduringinvitrocultureandsubsequentimplantation,thematerialsforscaffoldshouldbenon-toxicandbiocompatible,highlyporousandprocessableintodevicesofvariousshapes.