This study aims to compare the effectiveness of three root canal irrigation techniques-Conventional Needle Irrigation (CNI), Side-Vented Needle (SVN), and Ultrasonic Irrigation (UI)-in achieving irrigant penetration into the apical third of the root canal. Since conventional irrigation often fails to adequately clean complex root canal anatomy, the study evaluates whether activation methods improve irrigant penetration. A randomized controlled trial will compare these three techniques using extracted single-rooted mandibular premolars. A radiopaque dye mixed with sodium hypochlorite will be used to measure irrigant penetration on digital radiographs, and the results will be statistically analyzed to determine the most effective irrigation method.
Inclusion Criteria:
Exclusion Criteria:
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Participants in this group will receive root canal irrigation using a conventional 27-gauge syringe needle. The irrigant, consisting of a radiopaque iohexol dye mixed with 5.25% sodium hypochlorite, will be delivered into the prepared root canal using the conventional needle irrigation technique. Irrigant penetration into the apical third will be assessed using digital radiographs.
Participants in this group will receive root canal irrigation using a side-vented irrigation needle. The radiopaque irrigant solution, prepared by mixing iohexol dye with 5.25% sodium hypochlorite, will be delivered into the canal using the side-vented needle technique. Irrigant penetration into the apical third will be measured on digital radiographs.
Participants in this group will receive ultrasonic irrigation following completion of canal preparation. A radiopaque irrigant solution consisting of iohexol dye mixed with 5.25% sodium hypochlorite will be ultrasonically activated within the root canal. Digital radiographs will be used to measure the depth of irrigant penetration into the apical third and compare it with the other irrigation techniques
Irrigation Activating Techniques on Irrigant Penetration Depth and Microbial Reduction
Effects of Irrigation Activation on Clinical Outcomes of Root Canal Treatment
Evaluation of Different Root Canal Irrigation Techniques
Comparison of Obturation Quality and Lateral Canal Fill (by Sealer): Ultrasonic-Activated Versus Non-Ultrasonic Conventional Irrigation Techniques in Root Canal Treatment - A Randomized Controlled Trial
Effect of Different Irrigation Activating Techniques on Irrigant Penetration Depth and on Post-Operative Pain
Evaluation of the Impact of Different Final Irrigation Activation Modes on Healing of Periapical Lesions Related to Permanent Mandibular First Molars Using CBCT.
A First in Human Study to Compare Feasibility of Inertial Cavitation Irrigation to SNI in Root Canal Treatment.
The Impact of Using Different Final Irrigation Modes on Postoperative Pain Following Root Canal Treatment of Non-vital Mandibular First Molar With Periapical Lesion.