الفهرس 
Clinical evaluation of fiber reinforced bulk fill resin composite versus incremental packing of nanohybrid resin composite in restoration of deep proximal lesions of permanent posterior molars: / A randomized controlled trial
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Abstract
The present clinical trial was conducted to evaluate the clinical performance of the fiber reinforced bulk fill resin composite in comparison to incremental packing of nanohybrid resin composite in deep proximal cavities in permanent posterior molars.
A total of 36 deep proximal cavities in vital molars were restored either with a bilayered structure of fiber reinforced composite resin, capped with a nanohybrid compoaite resin layer (n=18) or conventional composite resin incremental technique (n=18). The restorations were assessed over a period of 12 months using the modified USPHS criteria. The criteria evaluated were fracture and retention, marginal integrity, marginal discoloration, anatomic form, proximal contact, surface texture, radiographic evaluation, postoperative sensitivity and secondary caries.
There was no statistically and clinically significant difference between fiber-reinforced resin composite and conventional incremental resin composite. The was no risk for failure regarding all the evaluated modified USPHS criteria for both materials after 12 months (RR= 1(95% CI 0.0209 to 47.8503; P =1.0000))