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Survival of Hybrid Laminate Veneers Using Two Different Tooth Preparation Techniques:Randomized Clinical Trial

NCT04515069 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 6

Last updated 2020-08-17

No results posted yet for this study

Summary

The aim of this study was to evaluate the survival of laminate veneers constructed using a recent polymer-infiltrated ceramic network material following the aesthetic pre-evaluative temporary (APT) technique of tooth preparation in comparison to traditional technique.

Conditions

  • Discoloration, Tooth
  • Malformed Tooth
  • Diastema

Interventions

PROCEDURE

traditional technique of tooth preparation

Depth cutter wheels of predetermined depths (Komet, Germany) were used to perform the preparation directly on the tooth structure. Depth cuts were performed on the labial surface using depth cutter wheels (Komet, Germany) with radius of 0.3 mm and 0.5 mm which is directly related to the thickness of the laminate veneers in the cervical and incisal one thirds respectively. Then islands of tooth structure between depth orientation grooves were removed. Proximal reduction: The interproximal reduction was completed just labial to the contact areas using a round end tapered diamond stone (Mani, Japan), and polishing was performed using polishing strips (Sof-Lex, 3M ESPE, Seefeld, Germany). Incisal reduction: Vertical depth grooves were created. Then, the round end tapered diamond stone (Mani, Japan)was used to create 1.5 mm incisal butt joint preparation. Then, finishing and polishing of tooth preparation was performed.

PROCEDURE

aesthetic preevaluative temporary technique for tooth preparation

The data obtained from digital smile design was used for construction of the diagnostic wax-up. The wax-up was then be transferred to the mouth using a silicone index, creating the aesthetic pre-evaluative temporary (APT). The APT was tested esthetically and functionally. Once approved by the operator and the patient, tooth preparation was performed through the APT. Depth cuts were performed similar to those performed in the traditional preparation with the difference of being prepared on the aesthetic pre-evaluative temporary instead of directly on the dental structure. Using tapered stone with round end (Mani, Japan), islands of tooth structure between depth orientation grooves were removed. Proximal reduction, Incisal reduction Finishing and polishing of tooth preparation were carried out using the same technique as in the Group T with the difference of being performed through the APT, resulting in minimal tooth preparation

Sponsors & Collaborators

  • Cairo University

    lead OTHER

Principal Investigators

  • Hanaa Zaghloul, PhD · Professor of Fixed Prosthodontics, Misr International University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
19 Years
Max Age
44 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2017-04-13
Primary Completion
2019-03-20
Completion
2019-05-05

Countries

  • Egypt

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04515069 on ClinicalTrials.gov