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

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

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

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

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

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Exclusion Criteria:

• tooth hypersensitivity severe periodontal affection non vital teeth heavy smoking