The number of composite restorations delivered to patients is on the rise. Despite the improvement in mechanical properties of modern composites, the challenge of providing a functional restoration is at times compromised due to the problem of postoperative sensitivity associated with these restorations. An understanding of the potential causes of postoperative sensitivity will enable clinicians to adopt techniques which prevent postoperative sensitivity and subsequently ensure restoration longevity. This article reviews the literature to explain the common reasons for development of this phenomenon.
Adhesives; Composite resin; Dentin permeability; Polymerization; Pain; Smear layer