Wear Behavior of Milled Posterior Crowns Fabricated From the New Monolithic Zirconia 5Y-TZP/3Y-TZP Compared to Lithium Disilicate

Study Results

Results pending

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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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-08-01

Study Completion Date

2022-06-01

Brief Summary

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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 newly introduced strength - color gradient multilayered zirconia IPS e.max ZirCAD Prime (5Y-TZP/3Y-TZP) and compare it to Lithium Disilicate IPS e.max CAD which has proven to have favorable wear patterns.

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Detailed Description

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* 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 wear of the new monolithic zirconia IPS e.max ZirCAD Prime and lithium disilicate IPS e.max CAD.

Conditions

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Posterior Teeth Worn Posterior Teeth Endodontically Treated Teeth Crowned Posterior Teeth

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Lithium Disilicate IPS e.max crowns in posterior teeth

Group Type ACTIVE_COMPARATOR

Lithium Dislicate IPS e.max crown

Intervention Type OTHER

wear of lithium disilicate IPS e.max crown in posterior teeth

Monolithic Zirconia (5Y-TZP/3-YTZP) crowns in posterior teeth

Group Type EXPERIMENTAL

monolithic zirconia (5Y-TZP/3-YTZ) ZirCAD Prime.

Intervention Type OTHER

wear of the new material of monolithic zirconia (5Y-TZP/3-YTZ) ZirCAD Prime in posterior teeth

Interventions

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monolithic zirconia (5Y-TZP/3-YTZ) ZirCAD Prime.

wear of the new material of monolithic zirconia (5Y-TZP/3-YTZ) ZirCAD Prime in posterior teeth

Intervention Type OTHER

Lithium Dislicate IPS e.max crown

wear of lithium disilicate IPS e.max crown in posterior teeth

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* 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 Criteria

1. Patient with active resistant periodontal diseases.
2. Patients with parafunctional habits and bruxism.
3. Patients with poor oral hygiene, high caries risk and uncooperative patients. 3- Pregnant women.
4. 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.

Minimum Eligible Age

21 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No