Effect of Preparation Design on the Functional and Esthetic Outcome of CAD/CAM Lithium Disilicate Laminate Veneers

Not Applicable

• Conditions: Dental Disorders Hard Tissues of Teeth; Tooth Discoloration
• Interventions: Procedure: Laminate veneers preparation

• Registration Number: NCT04840524
• Lead Sponsor: Cairo University

Brief Summary

Conservatism is considered the main concern in any treatment plan, the feather edge preparation design of laminate veneers have been introduced yet clinical studies are lacking to evaluate their clinical performance.The aim of this study is to evaluate the effect of the two different preparation designs on the functional and esthetic outcome of laminate veneers in terms of marginal adaptation, retention, fracture, marginal discoloration and patient satisfaction

Detailed Description

Not available

Study Timeline

• Study Start: 2021-01-26
• Study First Submitted: 2021-04-07
• Study First Submitted QC: 2021-04-07
• Study First Posted: 2021-04-12
• Status Verified: 2021-06
• Last Update Submitted: 2021-06-17
• Last Update Posted: 2021-06-18
• Primary Completion: 2023-01
• Study Completion: 2023-07

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 10

Inclusion Criteria

• From 18-60 years old, and able to read and sign the informed consent document.
• Patients with teeth problems indicated for laminate veneers.
• Physically and psychologically able to tolerate conventional restorative procedures.
• Have no active periodontal or pulpal diseases.
• Maintenance of good oral hygiene .
• Willing to return for follow-up examinations and evaluation.

Exclusion Criteria

• Patients in the growth stage with partially erupted teeth.
• Patients with para-functional habits.
• Cases that need modification in the incisal edge.
• Patients with poor oral hygiene and motivation .
• Psychiatric problems or unrealistic expectations.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Conventional preparation design (Chamfer finish line with Butt joint incisal preparation design)	Laminate veneers preparation	conventional treatment
New preparation design (Feather edge finish line with feather edge incisal preparation design)	Laminate veneers preparation	New preparation design

Primary Outcome Measures

Name	Time	Method
marginal gap distance	at time of laminate cementation	the gap between the laminate and the prepared tooth is measured before cementation using silicon replica and digital microscope

Trial Locations

Locations (1)

Faculty of Dentistry - Cairo University; 🇪🇬 Cairo, Egypt