REVIEW PAPER
Principles of designing and methods of fabricating screw-retained zirconia
Ti-base crowns on implants
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1
Katedra Protetyki Stomatologicznej, Warszawski Uniwersytet Medyczny, Polska
2
Laboratorium Protetyczne TECHDENT, Polska
Submission date: 2022-06-27
Acceptance date: 2022-09-06
Publication date: 2022-09-06
Prosthodontics 2022;72(3):241-249
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ABSTRACT
Screw-retained zirconia crowns with a titanium base are one of the options for implant
reconstruction. They allow the mapping of the emergence profile in detail and the creation of
conditions to correctly shape the biological width around the implant. With this type of crowns it
is possible to reconstruct the emergence profile appropriate for the given clinical conditions,
while the appropriate design and material processing of the transmucosal elements provide
the proper support for soft tissues.
A properly designed and fabricated prosthetic reconstruction is important in maintaining the
long-term, positive effects of treatment. In practice this translates into maintaining the soft tissues in
their proper form, without signs of inflammation, as well as maintaining the pre-determined, fixed
bone level of the alveolar process around the implant. These factors have a direct impact on the
long-term retention of the restoration and its full functionality. The constant development in the
methods of fabricating ceramic crowns is largely dictated by the search for such materials and
their combinations that, while ensuring maximum aesthetic benefits, will also be fully functional,
resistant to damage and chipping.
The purpose of this article is to present the principles of designing the transmucosal element
and methods of fabricating the supragingival element of these crowns.