Digital vs Conventional Impressions Study

University of Rochester22 enrolled

Overview

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

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

SUPPORTIVE_CARE

Masking

NONE

Enrollment

Conditions

Dental Prosthesis

Interventions

Conventional impressionPROCEDURE

A dental impression is a negative imprint of hard (teeth) and soft tissues in the mouth from which a positive reproduction (or cast) can be form using alginate material. They are made by using a container which is designed to roughly fit over the dental arches ("trays").

Digital Scan 1PROCEDURE

Direct intra-oral digital scans using Sirona Omnicam software.

Digital Scan 2PROCEDURE

Direct intra-oral digital scans using Planmeca Planscan software.

Eligibility

Sex: ALLMin age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

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

Locations (1)

University of Rochester

Rochester, New York, United States

Outcomes

Primary Outcomes

Number of participants with a correctly fitted prosthesis

Correct fit assessed by clinical assessment of internal and marginal crown fit.

Time frame: From impression stage to crown delivery, approximately four weeks. There are no follow up visits once crown is delivered.

Data from ClinicalTrials.gov

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