Status:
UNKNOWN
Wear Behavior of Milled Posterior Crowns Fabricated From the New Monolithic Zirconia 5Y-TZP/3Y-TZP Compared to Lithium Disilicate
Lead Sponsor:
Cairo University
Conditions:
Posterior Teeth
Worn Posterior Teeth
Eligibility:
All Genders
21-50 years
Phase:
NA
Brief Summary
In-vitro studies do not represent the actual masticatory environment and cannot simulate the intricate chewing pattern. Hence, there is a need for an in vivo study evaluating the wear potential of the...
Detailed Description
* There will be no difference in wear caused by monolithic Zirconia (5Y-TZP/3Y-TZP) IPS E-max ZirCad Prime and Lithium Disilicate IPS e.max CAD to the antagonist. * There will be no difference in the ...
Eligibility Criteria
Inclusion
- All subjects are required to:
- 1- Be aged 21-50 years old, be able to read and sign the informed consent document. 2- Psychologically and physically able to withstand conventional dental procedures.
- 3- Patients with mutilated posterior teeth indicated for full coverage restorations.
- 4- Patients with sound natural antagonists. 5- Able to attend punctually for preplanned visits and evaluation. 6- Have no active periodontal or pulpal diseases.
- 7- There should be no apparent loss or wear in opposing enamel.
Exclusion
- Patient with active resistant periodontal diseases.
- Patients with parafunctional habits and bruxism.
- Patients with poor oral hygiene, high caries risk and uncooperative patients. 3- Pregnant women.
- Patients in the growth stage with partially erupted teeth. 5- Psychiatric problems or unrealistic expectations.
- 6- Lack of opposing dentition in the area of interest. 7- Restored occlusal surface opposing the planned restoration. 8- The presence of a removable or fixed orthodontic appliance.
Key Trial Info
Start Date :
August 1 2021
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
June 1 2022
Estimated Enrollment :
24 Patients enrolled
Trial Details
Trial ID
NCT04805281
Start Date
August 1 2021
End Date
June 1 2022
Last Update
June 10 2021
Active Locations (1)
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1
Cairo University
Cairo, Egypt, 11865