The goal of this randomized clinical trial is to evaluate the Postoperative Pain and Flare-Up incidence following the use of Bio-Ceramic Based Intra-Canal Medication in Diabetic type II Patients compared to the Calcium Hydroxide based Intra-canal medicament. The main questions it aims to answer are: 1. Is there any difference between using the two intracanal medicaments in the aspects of postoperative pain and flare-up incidence in diabetic type II patients? 2. Do intracanal medications reduce postoperative pain and flare-up incidence in diabetic type II patients? Participants will be divided into two groups: ( both groups will receive root canal treatment in single rooted teeth) then: First group: will receive "Calcium Hydroxide based" intracanal medicament Second group: will receive "Bio-Ceramic Based" intracanal medicament Postoperative pain will be assessed using: * visual analog scale (VAS), A scale from (0 to 10) where "0" means no pain and "10" means a severe pain that has never faced before. * Patients will be contacted by phone at 6, 12, 24, 48, 72 hours and 7 days after the first visit to collect the postoperative pain data. Flare-up is assessed: \- by asking the patient to notify the investigator if any sudden severe pain or swelling takes place.
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postoperative pain intensity
Timeframe: 6, 12, 24, 48, 72 hours and 7 days after the first visit to collect the postoperative pain data.
Flare-Up Incidence
Timeframe: Within 7 days post-treatment