Clinical Evaluation of Digital Versus Conventional Impressions Part I: Marginal and Internal Fit

University of Rochester1 site in 1 country22 target enrollmentOctober 16, 2017

Overview

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

Registry

clinicaltrials.gov

Start Date

October 16, 2017

End Date

August 1, 2018

Last Updated

5 years ago

Study Type

Interventional

Study Design

Parallel

Sex

All

Sponsor

Responsible Party

Principal Investigator

Konstantinos Chochlidakis

Associate Professor

University of Rochester

•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)

•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