A kind of dental implant platform tooth,System includes: a platform tooth ontology,System has one of opposite first end and a second end,The first end system forms an implant root of the tooth engaging portion,The platform tooth ontology has a processing department,Between processing department system position what first end and the second end,The platform tooth ontology separately has a shoulder,Between shoulder system position what processing department and the implant root of the tooth engaging portion,By the presence of the shoulder,It can prevent the what processing department from damaging the implant root of the tooth engaging portion when being processed,To reduce the coefficient of losses of the dental implant platform tooth.一種牙科植體用支台齒，係包含：一支台齒本體，係具有相對之一第一端及一第二端，該第一端係形成一植體牙根結合部，該支台齒本體具有一加工部，該加工部係位於該第一端及該第二端之間，該支台齒本體另具有一肩部，該肩部係位於該加工部及該植體牙根結合部之間，藉由該肩部之存在，可以防止於該加工部進行加工時損傷該植體牙根結合部，以降低該牙科植體用支台齒之耗損率。
