Effect of Using Shade Blocker Versus Chameleon Effect of Two Single Shade of Resin Composite in Class IV Restorations

Study Overview
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Brief Summary
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Aim of this study will be conducted to compare the shade matching and clinical performance of shade blocker versus chameleon effect of two single-shade of universal resin composite in class IV restorations over 1 year evaluation period

Detailed Description
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The color matching of both groups will be evaluated visually using modified USPH criteria

Official Title
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Effect of Using Shade Blocker Versus Chameleon Effect on Shade Matching of Two Single-shade Resin Composite Materials in Class IV Restorations: A One Year Randomized Clinical Trial

Conditions
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Discoloration, Tooth

Intervention / Treatment
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* Diagnostic Test: single-shade universal resin composite (omnichroma) with blocker( omnichroma blocker)


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: moderate class IV defect with no lingual wall presence of favorable occlusion and teeth are in normal contact with the adjacent teeth good oral hygiene cooperative patients - Exclusion Criteria: tooth hypersensitivity severe periodontal affection non vital teeth heavy smoking

Ages Eligible for Study
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Minimum Age: 20 Years
Maximum Age: 45 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: single shade universal resin composite (omnichroma) with blocker<br>(OMNICHROMA BLOCKER) is indicated for preventing shade-matching interference in Class IV restorations, Masking dark dentition and dentin. In cases where there is a lack of tooth structure to bond to, (BLOCKER) works as a supplementary product to provide a lingual wall to the restoration, prevent shade-match obstruction and mask staining. | Diagnostic Test: single-shade universal resin composite (omnichroma) with blocker( omnichroma blocker)<br>* (OMNICHROMA BLOCKER) is indicated for preventing shade-matching interference in Class IV restorations, Masking dark dentition and dentin. In cases where there is a lack of tooth structure to bond to, (BLOCKER) works as a supplementary product to provide a lingual wall to the restoration, prevent shade-match obstruction and mask staining.<br>|
| Active Comparator: single shade universal resin composite(GC solare sculpt) with chameleon effect<br>One-shade universal resin composite (GC solare sculpt) gives very natural appearance, High gloss retention over time, time saving regarding to layering technique, wide shade matching range (chameleon effect) and delivering lifelike aesthetic restorations. These features can be offered by supra-nano spherical filler which have controlled refractive index, records excellent esthetic properties in small and medium class IV restorations. | Diagnostic Test: single-shade universal resin composite (omnichroma) with blocker( omnichroma blocker)<br>* (OMNICHROMA BLOCKER) is indicated for preventing shade-matching interference in Class IV restorations, Masking dark dentition and dentin. In cases where there is a lack of tooth structure to bond to, (BLOCKER) works as a supplementary product to provide a lingual wall to the restoration, prevent shade-match obstruction and mask staining.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| shade matching | the shade matching of both groups will be assessed visually by using modified USPH criteria. score: 1- Alpha : the restoration match the shade and translucency of the adjacent tooth 2-Bravo : there is a mismatch in the shade and translucency but it is within a normal range of tooth shade 3- Charlie: the mismatch is beyond the normal range of the tooth shade and translucency | 12 months |