SUNYanzheng1&，WUJincheng2&，LIYi1，YANGJianjun1*
1Unit：TheAffiliatedHospitalofQingdaoUniversityMedicalCollege，Qingdao266109，China
2Unit：TheChengyangdistrictpeople'shospital，Qingdao266003，China
Correspondingauthor：YANGJianjun
Co-firstauthor：SUNYanzheng、WUJincheng
Abstract：Becausethecollected20extractedpremolarsfororthodonticconebeamCT（CBCT）imageinformation，usingmodelingsoftwareand3Dprinterstoproduceanewbionicdentalimplantporous，bionicimplantandpremolarswerepidedintoAandBtwogroups，bytheuniversalflexuralstrengthtestingmachinetestingtwogroups.Statisticaldifferencesandflexuralstrengthoftwogroups.
Keywords：oralimplant；3Dprintingtechnology；flexuralstrength
WiththeintroductionofCBCTscanningtechnologyandtherapiddevelopmentofCAD/CAMtechnology，theapplicationof3Dprintingtechnologyinoralimplanthasbecomemoreandmoreextensivein.sothatitcanachievetheuniformrequirementsofimplantmorphologyandfunction，andmakeimplantandnaturaldentalorgansbetterconsistentwiththebiomechanicalprinciple.Thepurposeofthisstudyistoexplorethefeasibilityandfeasibilityof3Dprintingporousbionicdentalimplants，andtoprovidescientificbasisforclinicalapplication.
Withthedevelopmentofdentalimplanttechnology，thevarietyofthematerialandshapeoftheimplantisincreasing.Atpresent，thedentalimplantsystemincommercialproductionhasthegeometricstructureofcolumnarorcone.Thecustomizedimplantcannotonlyprotectthehardandsofttissue，reducethetimeofrehabilitation，butalsoachievetheuniformrequirementofmorphologyandfunction，soastomakepersonalizedbionicdentalimplantintheexercisefunctionwhenthestressevenlyspreadtothesurroundingbonetissue；ontheotherhand，theporousstructureoftheporemutualconnection，whichprovidesconditionsfortheingrowthofbonecellsandfluidtransport.Whichisconducivetothestabilityofpersonalizedbionicdentalimplantgood.Inthisstudy，theuseof3Dprintingtechnologysucceededinmakingpersonalizedporousbionicteethareverysimilarwiththegoalofdentalimplanttoothshape，thenecktotheapicalsurfaceof1/3withporousstructuredesign，internalsolidstructure，setthe200μmporesize，aresearchshowsthatthegrowthofaperture200-500μmmoretobonecells，iftheporediameteristoosmall，canleadtocellblockage，hindertheformationofbonematrixandcellpermeability，thicknessasthebeginningofeachcrosssectionof1/5，porethicknessisappropriate，thereisnounifiedresults，alsoneedtodorelatedresearch.
Reference：
PirkerW，KocherA.Immediate，non-submerged，root-analoguezirconiaimplantinsingletoothreplacement[J].
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