Effect of Smoking on Periapical Healing After NSRCT

After administration of LA and rubber dam isolation, access cavity will be prepared using carbide burs in high speed hand piece with copious irrigation. Working length will be determined using root ZX apex locator and will be verified radiographically. Canal preparation will be done with rotary instruments . 5ml of 5.25% NaOCl will be used as irrigant after each instrument. After instrumentation , the canals will be irrigated with 5.0 ml of 17% EDTA for 1minute followed by irrigation with 5.0 ml of 5.25% NaOCl. Canals will be dried with absorbent paper points, filled with calcium hydroxide paste and access cavity will be restored with IRM. Patients will be recalled after 1 week.At the next appointment, after paste removal, copious irrigation with 5.25% NaOCl will be done and canals will be dried with paper points. Canals will be obturated with Gutta-Percha and ZOE based sealer.