Abstract
Computer-aided design and manufacturing technology has been closely associated with implant-supported restoration. The digital system employed for prosthodontic restorations comprises data acquisition, processing, and manufacturing using subtractive or additive methods. As digital implantology has developed, optical scanning, computer-based digital algorithms, fabricating techniques, and numerical control skills have all rapidly improved in terms of their accuracy, which has resulted in the development of new ceramic materials with advanced esthetics and durability for clinical application. This study reviews the application of digital technology in implant-supported dental restoration and explores two globally utilized ceramic restorative materials: Yttria-stabilized tetragonal zirconia polycrystalline and lithium disilicate glass ceramics.
Highlights
A close association between computer-aided design (CAD)/computer-aided manufacturing (CAM)technology and implant dentistry has been developed since 1973, when Duret first performed dental restorative treatment using digital skills [1]
When digitized data are obtained from scanners, these data are loaded into dental CAD software to design implant-supported prostheses and frameworks, which are realized through the CAM process
The major materials for implant-supported restoration can be classified into two categories: The majorceramic ceramic materials for implant-supported restoration can be classified into two zirconia-based ceramics and glass ceramics
Summary
A close association between computer-aided design (CAD)/computer-aided manufacturing (CAM). The accuracy of an extraoral scanner is accepted as satisfactory for the clinical Both methods (direct and indirect) employed for data acquisition are based on the technology level, while many efforts are being made to develop an intraoral scanner that has an accuracy similar of optical scanning. When digitized data are obtained from scanners, these data are loaded into dental CAD software to design implant-supported prostheses and frameworks, which are realized through the CAM process. The clinician should review the optical impression immediately after scanning and ensure that all critical parts, including the margins required for the restoration, have been captured It is possible for most dental restorative procedures to be converted into digital works, some limitations still remain. It is extremely difficult to delicately reproduce the emergence profile of prosthodontic restorations at the margin without manual adjustment
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