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Background: Micro leakage around the margins of a restoration is believed to be one of the main causes of postoperative sensitivity.Dental amalgam is a non-insulating material and has the potential to transfer heat and cold causing irritation of the pulp. Different dentin tubulesealers are used under amalgam restoration to compensate for this post-operative sensitivity.This study was conducted to compare the frequency of sensitivity in amalgam restorations using copal varnish and dentin adhesive liner (dentin bonding agent).Methods: A total of 60 patients of either gender, aged 18–40 years having class 1 carries in posterior teeth were included. Teeth with restorations, dentinal sensitivityand patients taking analgesic drugs for chronic pain conditions were excluded. The selected patients were placed randomly into Group A (copal varnish) & Group B (dentin adhesive liner), by using computer generated table of random numbers. Restored teeth were evaluated 1-month post operatively for sensitivity.Results: Mean age was 25.63±5.42 years. Out of 60 patients,68.0%were females and 32.0%were males with a female to male ratio of 2:1. The mean post-operative pain score was 2.83±2.79 in Group A and in Group B, it was 1.43±2.14 with a p-value of 0.03. There was no pain on application of a cold stimulus in 14 (46.7%) patients in Group A (copal varnish) while in Group B (Dentin adhesive), no pain was seen in 23 (76.7%) patients with p-value of 0.02.Conclusion: This study concluded that dentin adhesive liner (dentin bonding agent) is better than copal varnish in reducing postoperative sensitivity in amalgam restorations
Kiran Saba,, Anser Maxood, , Saeeda Abdullah, Amna Riaz, Shahab-ud-Di. (2018) COMPARISON OF FREQUENCY OF POST OPERATIVE SENSITIVITYIN AMALGAM RESTORATIONS USING COPAL VARNISH AND DENTIN ADHESIVE LINER, JOURNAL OF AYUB MEDICAL COLLEGE ABBOTTABAD, Volume 30, Issue 2.
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