Properties and Clinical Performance of Zirconia-based Dental Ceramics

NCT ID: NCT00737308

Last Updated: 2015-05-15

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

COMPLETED

Clinical Phase

NA

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-06-30

Study Completion Date

2015-04-30

Brief Summary

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The objectives of this study are to determine the clinical performance of zirconia-based dental prostheses and their related properties.

Detailed Description

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Zirconia has been used in dentistry since 2000 for constructing fixed partial denture. Its advantages are high fracture resistance, excellent biocompatibility, moderate opacity, etc. Because the increase in demand for more esthetic restoration, zirconia becomes more popular for use as a core material for all-ceramic systems. Its properties have been investigated extensively in many in vitro studies. However, clinical performance of zirconia-based restorations would require a period of time before the results can be assessed. Currently, there are not much results regarding clinical performance of zirconia-based prosthesis and more information are required for future research.

Conditions

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Dental Restoration Wear

Study Design

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Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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A

crown for clasp

Group Type EXPERIMENTAL

ceramic crown

Intervention Type OTHER

Zirconia

Interventions

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ceramic crown

Zirconia

Intervention Type OTHER

Other Intervention Names

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Zirconia

Eligibility Criteria

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Inclusion Criteria

* Occlusion: At least 20 remaining teeth for each patient, and at least one posterior endodontically treated tooth with natural opposing teeth
* Bruxism: No evidence based on an intraoral exam
* Dental history: No evidence of either moderate or severe periodontal disease
* Medical history: Good to excellent general health

Exclusion Criteria

* Periodontal status: Pocket depth greater than 4 mm
* Occlusion: Evidence of bruxism or excessive clenching force, Abutment tooth that opposes a removable partial denture, Abutment teeth for fixed partial dentures, Gingival recession of an abutment tooth more than 1 mm from the cementoenamel junction, Tooth with first or second degree of tooth mobility, Tooth with extensive carious lesions
Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Thailand Research Fund

OTHER

Sponsor Role collaborator

Mahidol University

OTHER

Sponsor Role lead

Responsible Party

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Kallaya Suputtamongkol

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Kallaya Suputtamongkol

Role: PRINCIPAL_INVESTIGATOR

Mahidol University

Locations

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Faculty of Dentistry, Mahidol University

Pyathai, Bangkok, Thailand

Site Status

Faculty of Dentistry, Mahidol University

Bangkok, , Thailand

Site Status

Countries

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Thailand

Other Identifiers

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MRG5180145

Identifier Type: -

Identifier Source: org_study_id

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