| 简介 |
The head of an implanted metal insert is not cylindrical but has a truncated cone shape with a conicity that may be generally comprised between 1 and 3 degrees. Conformally, a replaceable metal mesostructure or stump that is mounted on the head of the implanted body by fastening it with the axial primary fixing screw has, at its base, a truncated cone cavity that fits onto the conical head such that upon tighhtening the fixing screw there is not any gap that may be infiltrated by organic liquids. The circular hem of the truncated cone cavity that fits over the truncated cone head of the implanted metal body is tailored in conformity with the current gum profile of the patient such that, upon installation on the head of the implanted insert, it juxtaposes to the rim of the gum of the patient.
A so re-modeled mesostructure provides the proper base onto which meet a similarly re-tailored hem of the metal crown-capsule will the eventually cemented over it, for a perfectly aesthetic appearance of a re-made prosthetic tooth. |
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