Manually Versus Digitally Fabricated Removable Partial Dentures
NCT ID: NCT01191073
Last Updated: 2021-12-01
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
50 participants
INTERVENTIONAL
2011-06-30
2015-12-31
Brief Summary
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During 5 years the patients are in a follow-up program in order to judge long-term stability, loss of retention, fractures, … of both groups of dentures.
Detailed Description
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Computer Aided Design/Computer Aided Manufacturing (CAD/CAM) techniques have been introduced in dentistry, particularly to fabricate crowns and bridges (fixed partial dentures). There is little research in the field of removable partial framework fabrication. This may be in part be attributed to the lack of suitable dedicated software.
In the technical part of the study, existing software and hardware is adjusted to maximize the automation in the application of computer-aided technologies to surveying of digital casts and pattern design and the subsequent production of sacrificial patterns using removable partial (RP) technologies.
In the clinical trial the CAD/CAM fabricated RPD's are evaluated on casts and clinically and compared with a traditional fabricated RPD for 50 consecutive patients. For every patient, two RPDs are made in the same material (CrCo).The clinical parameters (fit, stability, retention, support, friction) are double blind evaluated by two dentists. At the end of the treatment, the patient can choose one of them.
Both RPDs are fabricated in the same time frame for the fabrication of the "classic" RPD. There are for the patient no extra sessions scheduled.
During 5 years the patients are in a follow-up program in order to judge long-term stability, loss of retention, fractures, … of both groups of dentures.
Hypothesis1: CAD/CAM fabricated RPD's can meet the clinical standards for RPD's.
Hypothesis 2: Dentists do not observe a difference between the classic and CAD/CAM fabricated RPD.
Hypothesis 3: Patients do not see/feel any difference between the classic and CAD/CAM fabricated RPD.
Conditions
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Keywords
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Study Design
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NON_RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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CAD/CAM fabricated dentures
group receiving Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM)fabricated removable partial dentures (double blind)
CAD/CAM fabricated RPD's
group receiving Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM)fabricated removable partial dentures (double blind)
traditional fabricated dentures
group receiving traditional fabricated dentures (double blind)
traditional fabricated RPD's
group receiving traditional fabricated dentures (double blind)
Interventions
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CAD/CAM fabricated RPD's
group receiving Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM)fabricated removable partial dentures (double blind)
traditional fabricated RPD's
group receiving traditional fabricated dentures (double blind)
Eligibility Criteria
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Inclusion Criteria
18 Years
ALL
No
Sponsors
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University Ghent
OTHER
Responsible Party
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Principal Investigators
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Lieve Van Zeghbroeck, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
University Ghent
Locations
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University Hospital Ghent
Ghent, , Belgium
Countries
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Other Identifiers
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2009/655
Identifier Type: -
Identifier Source: org_study_id