Intervention Clinical Trial
Official title:
Effect of NanoChitosan Impregnated Calcium Hydroxide Paste as an Intracanal Medication on the Intensity of Postoperative Pain and Bacterial Load Reduction in Necrotic Teeth: A Randomized Controlled Trial
This research will study the effect of NanoChitosan impregnated Calcium Hydroxide versus Calcium Hydroxide as an intracanal medication on postoperative pain intensity measured using numerical rating scale (NRS) and bacterial load reduction determined by bacterial counting using agar culture technique after root canal preparation (CFU/ml) in necrotic teeth.
Primary outcome: Postoperative pain measured using numerical rating scale (NRS) 1. After placement of intracanal medicament at 6, 12, 24 and 48 hours. 2. After root canal obturation at 6, 12, 24 and 48 hours. Secondary outcome: Bacterial load reduction determined by bacterial counting using agar culture technique after root canal preparation (CFU/ml) 1. Sample 1 (S1): after access preparation and pre-instrumentation. 2. Sample 2 (S2): post-instrumentation. 3. Sample 3 (S3): post-intracanal medicament removal at 7 days. ;
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