Digital vs Conventional Impressions Study

University of Rochester

Status: Completed

Conditions: Dental Prosthesis

Treatments: Procedure: Digital Scan 2; Procedure: Digital Scan 1; Procedure: Digital Scan 3; Procedure: Conventional impression

Study type: Interventional

Funder types: Other

Identifiers

NCT03146780

RSRB#00065524

Details and patient eligibility

About

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

Enrollment: 22 patients

Sex: All

Ages: 18+ years old

Volunteers: Accepts Healthy Volunteers

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)

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

Trial design

Primary purpose: Supportive Care

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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22 participants in 4 patient groups, including a placebo group

Conventional

Placebo Comparator group

Treatment:

Procedure: Conventional impression

Digital 1

Active Comparator group

Treatment:

Procedure: Digital Scan 1

Digital 2

Active Comparator group

Treatment:

Procedure: Digital Scan 2

Digital 3

Active Comparator group

Treatment:

Procedure: Digital Scan 3