TetricCAD Crown Clinical Study

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

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-10-01

Study Completion Date

2026-10-31

Brief Summary

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This investigation will be a clinical trial to study the performance of a new resin-based ceramic material for crowns. The material has been approved by the FDA for patient treatment. A computer technique will be used to fabricate the crowns in a single appointment without the need for a temporary crown or second appointment. The purpose of the study is to measure how well the high strength crowns function over an extended period of time.

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Detailed Description

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The study will be composed of 50 crowns placed in adult patients that have been identified as requiring at least one crown on a posterior tooth. A maximum of two crowns per patient will be completed. All the crowns will be made from the same resilient ceramic CAD/CAM block(Tetric CAD/Ivoclar Vivadent). The crowns are placed using an adhesive bonding process including a total etch process with a universal adhesive (Adhese by Ivoclar Vivadent) and dual-cured resin cement (Variolink Esthetic by Ivoclar Vivadent). The crowns are planned to be evaluated at 6 months, 1 year, 2 years, 3 years, and if funding permits, 4 years, and 5 years. At each appointment, an examination of the crown will be completed as well as clinical photographs, an intraoral digital scan, and impression of the crown.

Conditions

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Fractured Tooth Decayed Tooth Unsatisfactory Restoration of Tooth

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Tetric CAD Crown

Tetri CAD crowns will hand polished and cemented with a dual cured resin cement (Variolink Esthetic by Ivoclar Vivadent).

Group Type EXPERIMENTAL

Tetric CAD

Intervention Type DEVICE

Resilient ceramic crowns (Tetric CAD by Ivoclar Vivadent) are placed using an adhesive bonding process including a total etch process with a universal adhesive (Adhese by Ivoclar Vivadent) and dual cured resin cement (Variolink Esthetic by Ivoclar Vivadent).

Interventions

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Tetric CAD

Resilient ceramic crowns (Tetric CAD by Ivoclar Vivadent) are placed using an adhesive bonding process including a total etch process with a universal adhesive (Adhese by Ivoclar Vivadent) and dual cured resin cement (Variolink Esthetic by Ivoclar Vivadent).

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* must have at least one carious lesion or defective restoration or fractured tooth in a molar or premolar
* reason for restoration should extend more than one-half the intercuspal width of the tooth requiring a full crown restoration
* Teeth to be vital and asymptomatic prior to treatment
* No more than two restorations will be placed per patient. If a patient presents with more than two acceptable teeth for the study, molar teeth will be included prior to premolar teeth.

Exclusion Criteria

* Devital or sensitive teeth
* Teeth with prior endodontic treatment of any kind
* Teeth with a history of direct or indirect pulp capping procedures
* Patients with significant untreated dental disease to include periodontitis and rampant caries
* Pregnant or lactating women
* Patients with a history of allergies to any of the materials to be used in the study
* Patients unable to return for the recall appointments

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No