Joda, Tim; Brägger, Urs (2014). Complete digital workflow for the production of implant-supported single-unit monolithic crowns. Clinical oral implants research, 25(11), pp. 1304-1306. Wiley-Blackwell 10.1111/clr.12270
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OBJECTIVES
The aim of this case series was to introduce a complete digital workflow for the production of monolithic implant crowns.
MATERIAL AND METHODS
Six patients were treated with implant-supported crowns made of resin nano ceramic (RNC). Starting with an intraoral optical scan (IOS), and following a CAD/CAM process, the monolithic crowns were bonded either to a novel prefabricated titanium abutment base (group A) or to a CAD/CAM-generated individualized titanium abutment (group B) in premolar or molar sites on a soft tissue level dental implant. Economic analyses included clinical and laboratory steps. An esthetic evaluation was performed to compare the two abutment-crown combinations.
RESULTS
None of the digitally constructed RNC crowns required any clinical adaptation. Overall mean work time calculations revealed obvious differences for group A (65.3 min) compared with group B (86.5 min). Esthetic analysis demonstrated a more favorable outcome for the prefabricated bonding bases.
CONCLUSIONS
Prefabricated or individualized abutments on monolithic RNC crowns using CAD/CAM technology in a model-free workflow seem to provide a feasible and streamlined treatment approach for single-edentulous space rehabilitation in the posterior region. However, RNC as full-contour material has to be considered experimental, and further large-scale clinical investigations with long-term follow-up observation are necessary.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
04 Faculty of Medicine > School of Dental Medicine > Department of Prosthodontics [discontinued] |
UniBE Contributor: |
Joda, Tim, Brägger, Urs |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
0905-7161 |
Publisher: |
Wiley-Blackwell |
Language: |
English |
Submitter: |
Eveline Carmen Schuler |
Date Deposited: |
20 Jan 2015 11:10 |
Last Modified: |
05 Dec 2022 14:39 |
Publisher DOI: |
10.1111/clr.12270 |
PubMed ID: |
25040237 |
Uncontrolled Keywords: |
cad/cam, dental crown, dental implant, digital workflow, intraoral optical scan, resin nano ceramic (RNC) |
BORIS DOI: |
10.7892/boris.61739 |
URI: |
https://boris.unibe.ch/id/eprint/61739 |
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