Status:
NOT_YET_RECRUITING
A Prospective Clinical Trial Evaluating Outcomes of Surveyed Zirconia Crowns
Lead Sponsor:
Neena DSouza
Collaborating Sponsors:
University of Toronto
Conditions:
Removable Partial Denture
Dental Crown
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
Zirconia has shown to be a suitable substitute for metal ceramic crowns when comparing survival, biological and technical complications. Evidence demonstrating the outcomes of surveyed zirconia crowns...
Detailed Description
Research data on the survival of zirconia crowns as RPD abutments is limited although anecdotally these are being used regularly by dentists in clinical practice. To our knowledge a clinical trial eva...
Eligibility Criteria
Inclusion
- Inclusion criteria: Patient recruitment will be from the adult patient population that presents to the undergraduate/graduate prosthodontic dental clinic requiring new tooth or tissue supported removable cast dental prostheses to replace missing teeth for the following situations:
- In Kennedy Class 1 and 2 tisuue supported RPD's-Terminal abutments 3,4,5,6
- In Kennedy Class 3 and 4 tooth supported RPD's- any abutment teeth selected will need to be documented if selected as abutments for a surveyed crown.
- Selection of abutment teeth for zirconia surveyed crowns will be similar to that currently utilized when selecting cast RPD abutments to be restored with either porcelain fused to metal or full metal surveyed crowns for tissue and tooth supported cast RPD's. Identifiable data will include:
- RPD abutment teeth which may benefit from full coverage due to large restorations.
- Posterior endodontically treated teeth with inadequate marginal ridge support and
- Abutment teeth which require axial modification for RPD retentive and or stability elements.
- In situations where esthetic improvement is desirable
- Reasons for selection wil be documented.
Exclusion
- Crowns that need to be splinted; patients that decline a surveyed crown; patients under the age of 18 years; patients that decline to participate in the study.
Key Trial Info
Start Date :
January 6 2025
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
December 31 2031
Estimated Enrollment :
50 Patients enrolled
Trial Details
Trial ID
NCT06564337
Start Date
January 6 2025
End Date
December 31 2031
Last Update
August 23 2024
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