This clinical study aims to evaluate the effect of different root canal irrigation techniques on postoperative pain levels and periapical healing in premolar and molar teeth diagnosed with apical periodontitis (Periapical Index (PAI) score 4-5). A total of 162 patients are randomly assigned to one of three groups: (1) sonic irrigation activation using EDDY, (2) ultrasonic irrigation activation using VDW Ultra, and (3) conventional syringe irrigation as the control. Postoperative pain will be recorded using the Visual Analog Scale (VAS) and Visual Analog Scale (VRS) at multiple time points up to one month. Periapical healing will be assessed using periapical imaging performed with the parallel technique one year after treatment. The study aims to determine whether enhanced irrigation techniques provide superior clinical outcomes compared to traditional methods.
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Periapical Healing
Timeframe: From end of treatment to 1 year