Joda, Tim; Katsoulis, Joannis; Brägger, Urs (2016). Clinical Fitting and Adjustment Time for Implant-Supported Crowns Comparing Digital and Conventional Workflows. Clinical implant dentistry and related research, 18(5), pp. 946-954. Blackwell 10.1111/cid.12377
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Clinical Fitting and Adjustment Time for Implant-Supported Crowns Comparing Digital and Conventional Workflows..pdf - Published Version Restricted to registered users only Available under License Publisher holds Copyright. Download (5MB) |
PURPOSE
The aim of this prospective cohort study was to investigate clinical and laboratory performance of implant-supported reconstructions comparing the digital to the conventional workflow.
MATERIALS AND METHODS
Twenty study participants were treated in a cross-over design for single-tooth replacement in posterior sites, each with a customized titanium abutment plus computer-assisted design and computer-assisted manufacturing (CAD/CAM)-zirconia-suprastructure (test: digital workflow; n = 20) and a standardized titanium abutment plus PFM-crown (control: conventional pathway; n = 20). Evaluation of the 40 reconstructions included: 1) feasibility of laboratory cross-mounting of each abutment-crown-connection, and 2) assessment of adaptation time for clinical adjustments of interproximal and occlusal surfaces. Statistical analyses were performed using the exact Wilcoxon rank sum tests.
RESULTS
Laboratory cross-mounting was feasible for three reconstruction pairings revealing a 15% vice versa transfer success rate. All implant crowns could be provided successfully within two clinical appointments, independently of the workflow used. The mean clinical adjustment time was significantly lower (p < .001) for test reconstructions from the digital workflow with 2.2 min (standard deviation [SD] ± 2.1) compared with the ones from the conventional pathway with 6.0 min (SD ± 3.9).
CONCLUSIONS
The digital workflow was almost threefold more efficient than the established conventional pathway for fixed implant-supported crowns. Clinical fitting could be predictably achieved with no or minor adjustments within the digital process of intraoral scanning plus CAD/CAM technology.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
04 Faculty of Medicine > School of Dental Medicine > Department of Reconstructive Dentistry and Gerodontology |
UniBE Contributor: |
Joda, Tim, Katsoulis, Joannis, Brägger, Urs |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
1523-0899 |
Publisher: |
Blackwell |
Language: |
English |
Submitter: |
Eveline Carmen Schuler |
Date Deposited: |
20 Jan 2017 13:36 |
Last Modified: |
05 Dec 2022 15:00 |
Publisher DOI: |
10.1111/cid.12377 |
PubMed ID: |
26395013 |
Uncontrolled Keywords: |
CAD/CAM, conventional, cross-mounting, dental implant crown, digital, intraoral optical scan, workflow |
BORIS DOI: |
10.7892/boris.91253 |
URI: |
https://boris.unibe.ch/id/eprint/91253 |
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