Zirconia Monolithic Dental Restorations: In-mouth Behaviour, LTD and Wear Clinical Trial
Official title:
Low Thermal Degradation of Monolithic Zirconia Prostheses: an up to 5-year Original Prospective Clinical Study Using ex Vivo Analyses
| Verified date | August 2019 |
| Source | University of Liege |
| Contact | n/a |
| Is FDA regulated | No |
| Health authority | |
| Study type | Interventional |
The objective of this work is to study in-mouth aging and LTD of monolithic zirconia restorations. Microstructural changes characteristic of LTD processes, wear, and clinical behaviour following standard parameters will be evaluated. Notably Raman spectroscopy and 3D laser surface analysis will be used, directly on the restorations, which will be removed at regular intervals.The working hypothesis is that LTD process is very slow at the scale at the lifespan of dental prostheses.
| Status | Active, not recruiting |
| Enrollment | 101 |
| Est. completion date | April 2021 |
| Est. primary completion date | April 2016 |
| Accepts healthy volunteers | No |
| Gender | All |
| Age group | N/A and older |
| Eligibility |
Inclusion Criteria: - Full zirconia crowns in the posterior region (molar/premolar) - On teeth or implants - Single unit restorations cemented on natural teeth and implants (including screw-retained restorations if possible, but no internal connections) - Multi-unit restorations on implants - If nightguard: to be performed on the antagonist Exclusion Criteria: - Patients with removable prosthesis as an antagonist |
| Country | Name | City | State |
|---|---|---|---|
| Belgium | Institute of Dentistry University of Liege | Liege |
| Lead Sponsor | Collaborator |
|---|---|
| University of Liege | DMG Paris Descartes |
Belgium,
| Type | Measure | Description | Time frame | Safety issue |
|---|---|---|---|---|
| Primary | in-mouth LTD of monolithic zirconia restorations on natural teeth and implants | up to 5 years |