Comparison in Marginal Adaptation Between Conventional and Gull Wing Preparation in Laminates Veneers

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

38 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-07-13

Study Completion Date

2018-10-01

Brief Summary

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The aim of this study is to evaluate tooth sensitivity and marginal adaptation of porcelain laminates veneers prepared with modified gull wing preparation and conventional preparation.

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Detailed Description

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Visit 1: Preoperative records, face-to-face adherence reminder session, clinical, radio-graphic examination and primary impression for diagnostic cast construction.

Visit 2: Teeth preparation, secondary impression,temporary restoration and teeth sensitivity evaluation using United States Public Health Service criteria.

Visit 3: Placement and permanent cementation of the final restoration

Visit 4: marginal adaptation measurement by electron microscope using impression replica.

Conditions

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Teeth Sensitivity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Investigators

Study Groups

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gull wing preparation veneers

intervention: gull wing preparation in laminates veneers proximal margin of the preparation is placed toward the lingual .The area of the proximal margin between the contact area and the gingival papilla is placed even further to the lingual. This preparation design helps to hide the margin when the restorations are viewed from an angle.

Group Type ACTIVE_COMPARATOR

gull wing preparation of laminates veneers

Intervention Type PROCEDURE

preparation involving mesial and distal extension further lingualy.

conventional preparation veneers

intervention: conventional preparation in laminates veneers preparation of veneers without lingual extension of preparation in mesial and distal areas

Group Type ACTIVE_COMPARATOR

conventional preparation of laminates veneers

Intervention Type PROCEDURE

preparation not involving mesial and distal extension further lingualy.

Interventions

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gull wing preparation of laminates veneers

preparation involving mesial and distal extension further lingualy.

Intervention Type PROCEDURE

conventional preparation of laminates veneers

preparation not involving mesial and distal extension further lingualy.

Intervention Type PROCEDURE

Other Intervention Names

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dog leg preparation of laminates veneers

Eligibility Criteria

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Inclusion Criteria

* From 18-40 years old, be able to read and sign the informed consent document.
* Be physically and psychologically able to tolerate conventional restorative Procedures.
* Have no active periodontal or pulpal diseases, have teeth with good restorations.
* Patients with teeth problems indicated for laminate veneer (e.g:discoloration, fracture not involve more than 50% enamel loss, mild malposition.
* Be willing to return for follow-up examinations and evaluation.

Exclusion Criteria

* Patients in the growth stage with partially erupted teeth.
* Patient with fractured teeth of more than 50% enamel loss.
* Patients with poor oral hygiene and motivation.
* Pregnant women.
* Patient with post and core endodontically treated teeth.
* Psychiatric problems or unrealistic expectations.
* Lack of opposite occluding dentition in the area intended for restoration

Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes