Digital vs Conventional Impressions Study

Not Applicable

Completed

• Conditions: Dental Prosthesis
• Interventions: Procedure: Digital Scan 1; Procedure: Digital Scan 2; Procedure: Digital Scan 3; Procedure: Conventional impression

• Registration Number: NCT03146780
• Lead Sponsor: University of Rochester

Brief Summary

This study aims to compare how a single cap best fit on a tooth that is fabricated with digital and conventional impression techniques.

Detailed Description

Not available

Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Study First Submitted: 2017-05-01
• Study First Submitted QC: 2017-05-08
• Study First Posted: 2017-05-10
• Study Start: 2017-10-16
• Primary Completion: 2018-08-01
• Study Completion: 2018-08-01
• Status Verified: 2021-03
• Last Update Submitted: 2021-03-15
• Last Update Posted: 2021-03-17

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 22

Inclusion Criteria

• Age of patient ≥ 18 years old
• Good oral hygiene and compliance
• In need of a single full-coverage crown on any vital premolar or first molar tooth
• Opposing tooth is free of indirect restoration (crown)
• Asymptomatic tooth free of pathology
• No requirement for additional treatment (endodontic treatment, post and core, crown lengthening)
• Anticipated supragingival or equigingival crown margin
• Anticipated crown margin on natural tooth structure
• Adequate abutment height after tooth preparation (minimum 4mm)

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Exclusion Criteria

• Age of patient less than 18 years old
• Poor oral hygiene and calculus on sample teeth
• In need of a single full-coverage crown on tooth other than a vital premolar or first molar tooth
• Opposing tooth is restored with indirect restoration
• Periapical or periodontal pathology
• Anticipated pulp exposure or need for additional treatment (endodontic treatment, post and core, crown lengthening)
• Anticipated subgingival crown margin
• Anticipated crown margin on direct restoration
• Inadequate abutment height after tooth preparation

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Digital 1	Digital Scan 1	-
Digital 2	Digital Scan 2	-
Digital 3	Digital Scan 3	-
Conventional	Conventional impression	-

Primary Outcome Measures

Name	Time	Method
Number of participants with a correctly fitted prosthesis	From impression stage to crown delivery, approximately four weeks. There are no follow up visits once crown is delivered.	Correct fit assessed by clinical assessment of internal and marginal crown fit.

Trial Locations

Locations (1)

University of Rochester; 🇺🇸 Rochester, New York, United States