Rebonding technique has been suggested to address the issue of post-operative hypersensitivity in composite restorations. it involves the application of bonding agent on composite restoration following finishing and polishing.

Rebonding technique has been suggested to address the issue of post-operative hypersensitivity in composite restorations. it involves the application of bonding agent on composite restoration following finishing and polishing. bonding agent fills the gap formed by polymerization shrinkage and hence prevent post-operative hypersensitivity

Inclusion Criteria:

• class 1 carious lesion in premolar and molars clinically diagnosed as moderate occlusal caries extending up to middle third of dentin no caries on any other surface of tooth patients with sign and symptom of reversible pulpitis like sharp pain, sensitivity to hot and cold and sweet stimuli lasting foe few seconds

Exclusion Criteria:

• history of generalized sensitivity cavities extending up to pulpal third of dentin cavities need to be restored with direct or indirect pulp capping poor oral hygiene or periodontal disease bruxism and other wear facets chronic anti inflammatory, analgesics or psychotropic drugs