| Not Yet Recruiting | Efficacy of Different Disinfection Technologies in Molar Non-Surgical Retreatment NCT07469150 | University of Alabama at Birmingham | N/A |
| Not Yet Recruiting | Nanozymes in Endodontics NCT07518901 | University of Pennsylvania | Phase 4 |
| Not Yet Recruiting | Biomarkers in Apical Periodontitis NCT07504861 | Kırıkkale University | — |
| Not Yet Recruiting | Endodontic Microsurgery NCT06776289 | Mark Schachman | Phase 4 |
| Not Yet Recruiting | The Present Study Aims to Follow up on All Root Canal Treatments Performed During the Year 2023 Within the Pub NCT07244250 | Region Jönköping County | — |
| Not Yet Recruiting | Antibacterial Activity of Calcium Hydroxide and Betamethasone in Apical Periodontitis NCT07351682 | Duygu Degirmencioglu | — |
| Not Yet Recruiting | Comparative Evaluation of Clinical and Radiographic Treatment Outcomes of Garlic Gel and Calcium Hydroxide as NCT07289971 | University of Health Sciences Lahore | Phase 3 |
| Active Not Recruiting | N-acetylcysteine for Root Canal Treatment of Necrotic Teeth With Apical Periodontitis NCT07262554 | Alexandria University | Phase 2 |
| Recruiting | Professional Practices Regarding Treatment of Non-vital Primary Teeth Among Dental Surgeons in France NCT07297836 | University Hospital, Strasbourg, France | — |
| Not Yet Recruiting | To Evaluate Periapical Healing Post Full Pulpotomy in Teeth With and Without Apical Periodontitis NCT07179835 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Recruiting | The Effect of Different Intracanal Medicaments on Periapical Lesion Healing NCT07237620 | Mustafa Kemal University | N/A |
| Completed | Effect of Integrated Apex Locator Motor Modes on Postoperative Pain in Endodontic Retreatment NCT07527897 | Recep Tayyip Erdogan University | N/A |
| Completed | Post-operative Pain After Different Irrigation and Disinfection Methods in Single-rooted Teeth NCT07170098 | Biruni University | N/A |
| Not Yet Recruiting | Effect of Bio-C Temp Versus Calcium Ydroxide as Intracanal Dressings on Postoperative Pain Intensity and Peria NCT07101029 | Cairo University | EARLY_Phase 1 |
| Not Yet Recruiting | A Comparative Evaluation of the Degree of Pain and MMP-9 Expression Following Instrumentation of Necrotic Pulp NCT07101003 | Marwa Hisham Mohamed Salah Eldin | N/A |
| Active Not Recruiting | Evaluation of Postoperative Pain and Lesion Healing in Periapical Lesion-Affected Teeth Obturated With Differe NCT07307807 | Ankara Yildirim Beyazıt University | N/A |
| Recruiting | Bite Force Measurements NCT06843525 | Rutgers, The State University of New Jersey | — |
| Recruiting | Chitosan Irrigation in Premolar Root Canal Therapy (Randomized Trial) NCT07048028 | ESRA DAĞCI | N/A |
| Recruiting | Evaluation of Revitalization Success Using i-PRF in Non-Surgical Root Canal Retreatment NCT07448571 | Marmara University | N/A |
| Not Yet Recruiting | To Measure Post Operative Pain Severity by Using Two Different Intra Canal Medicaments Calcium Hydroxide and T NCT06821763 | Komal Ashraf Khan | Phase 2 / Phase 3 |
| Enrolling By Invitation | Antibacterial Efficacy and Outcomes of Root Canal Irrigation Methods NCT06959602 | National and Kapodistrian University of Athens | N/A |
| Not Yet Recruiting | Comparative Evaluation of Antimicrobial Efficacy, Clinical and Radiographic Success of Calcium Hydroxide, Chlo NCT06625645 | Mahy Abdel Raouf Aly Kamar | N/A |
| Completed | Effect of I-PRF Application on ALP and MMP-9 Levels in Teeth With Apical Periodontitis NCT07320898 | Kırıkkale University | — |
| Not Yet Recruiting | The Effect of Human Umbilical Cord Mesenchymal Stem Cells and Exosomes on the Healing of Postoperative Pain an NCT06764004 | TC Erciyes University | Phase 1 / Phase 2 |
| Not Yet Recruiting | Accuracy of PoCT to ELISA by Detecting Human IL-6 in Teeth with Apical Periodontitis NCT06701266 | Manipal University College Malaysia | — |
| Completed | Success of Pulpotomy in Molars With Pulpitis With Periodontitis Detected Using AI and Those Without Periodonti NCT06767371 | Misr International University | N/A |
| Completed | Photodynamic Therapy in Root Canal Treatment of T2DM Patients: Microbiome Analysis Via Next-Gen Sequencing NCT06931678 | Saglik Bilimleri Universitesi | N/A |
| Active Not Recruiting | Effect of Ozone Use in Intracanal Irrigation on Oxidative Stress Level in Teeth With Asymptomatic Apical Perio NCT07171762 | KEZBAN MELTEM ÇOLAK | N/A |
| Recruiting | Effect of Photobiomodulation on Pain and Healing of the Vertical Releasing Incision After Endodontic Microsurg NCT06574152 | The University of Texas Health Science Center, Houston | N/A |
| Recruiting | Evaluation of Periapical Healing Following Endodontic Microsurgery With Leukocyte and Platelet Rich Fibrin (L- NCT06545084 | University of Pennsylvania | — |
| Active Not Recruiting | The Success of Root Canal Treatments Performed Using Two Different Intracanal Medicaments NCT07210177 | Ege University | N/A |
| Not Yet Recruiting | No Code Artificial Intelligence to Detect Radiographic Features Associated With Unsatisfactory Endodontic Trea NCT06450938 | University of Copenhagen | N/A |
| Completed | Apical Preparation Size in Regenerative Endodontics of Mature Teeth NCT07466433 | Marmara University | N/A |
| Unknown | Clinical and Radiographic Success of Regeneration Using Injectable Platelet Rich Fibrin NCT06086249 | Cairo University | N/A |
| Completed | Periapical Bleeding Versus PRF Techniques in Regenerative Endodontic Therapy: A Randomized Controlled Trial NCT06886438 | Saglik Bilimleri Universitesi | N/A |
| Completed | Examination of the Effect of Nd:YAG Laser on Oxidative Stress and Matrix Metalloproteinase-9 in Teeth With Api NCT07243353 | Kırıkkale University | — |
| Active Not Recruiting | Effectiveness of Laser-activated Photoacoustic Flow in One-visit Revision of Teeth With Apical Periodontitis NCT07387809 | University of Zagreb | N/A |
| Completed | CGF-Enhanced Autologous Pulp Transplantation in Mature Necrotic Teeth NCT07314866 | Kahramanmaras Sutcu Imam University | N/A |
| Completed | Lesion Healing After Regenerative Endodontic Treatment NCT06843850 | TC Erciyes University | N/A |
| Completed | Sealers in Chronic Apical Lesions NCT07339579 | Kahramanmaras Sutcu Imam University | N/A |
| Active Not Recruiting | Clinical Investigation of Chemomechanical Parameters for an Efficient Disinfection of the Root Canal NCT06949176 | National and Kapodistrian University of Athens | N/A |
| Completed | Evaluation of Different Root Canal Irrigation Techniques NCT07106320 | Medipol University | N/A |
| Completed | Evaluation of Different Root Canal Obturation Techniques NCT07106307 | Medipol University | N/A |
| Unknown | A Study to Compare Various Root Canal Cleaning Devices Based on Cavitation,Ultrasonic and Conventional Methods NCT06005545 | Lumendo AG | N/A |
| Recruiting | Revitalization of Traumatized Immature Permanent Teeth NCT06043453 | Universitaire Ziekenhuizen KU Leuven | — |
| Completed | Comparison of Post-operative Pain After Use of Endo-activator and Conventional Irrigation During Endodontic Tr NCT06668662 | Jinnah Sindh Medical University | N/A |
| Completed | The Efficacy of Two Different Irrigation Methods on PGE2, NO and IL-6 Levels NCT06629545 | Istanbul Medipol University Hospital | N/A |
| Completed | Sclerostin Regulation in Apical Periodontitis Lesions in Apical Periodontitis Lesions NCT06512103 | Istanbul Medipol University Hospital | — |
| Completed | Effect of Use of Calcium Hydroxide and Metformin Intracanal Medicament After NSRCT NCT06766201 | Postgraduate Institute of Dental Sciences Rohtak | Phase 2 / Phase 3 |
| Active Not Recruiting | Periapical Healing in Response to Endodontically Treated Teeth With Different Sealing Cement NCT06482593 | Institucion Universitaria Colegios de Colombia | Phase 4 |
| Unknown | Effects of RCT on Periapical Healing, Inflammatory Markers, and Kidney Function Indicators in CKD Patients Wit NCT06446011 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Unknown | 2% Chlorhexidine (CHX) vs CaOH2 (CH) Calcium Hydroxide Paste as an Intracanal Medicament NCT03700788 | University of Southern California | Phase 3 |
| Unknown | Outcome of Regenerative Endodontic Procedure and Root Canal Treatment for the Management of Apical Periodontit NCT06179433 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Unknown | Association of Apical Periodontitis With Systemic Level of Inflammatory Markers : A Longitudinal Intervention NCT05814965 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Completed | Can Instrumentation Kinematics Affect Post Operative Pain and Substance P Levels? A Randomized Controlled Tria NCT06081335 | Ain Shams University | N/A |
| Completed | The Effect of Using Octenidine Hydrochloride as a Final Irrigation Solution on Teeth With Asymptomatic Apical NCT07173725 | Bezmialem Vakif University | N/A |
| Completed | Comparison of Sonic and Ultrasonic Activation on Healing of Apical Periodontitis NCT07249450 | Hilal Çuhadar Beşiroğlu | N/A |
| Unknown | Evaluation of Nano Bioactive Glass Combined With i-PRF Scaffold in Vital Pulp Treatments NCT05902936 | Cairo University | N/A |
| Completed | Influence of Sonic Activation of Root Sealers on Post-Operative Pain NCT06403293 | Mustafa Kemal University | N/A |
| Unknown | Effect of Diclofenac Sodium Versus Calcium Hydroxide as Intracanal Medication on the Intensity of Postoperativ NCT05582421 | Cairo University | EARLY_Phase 1 |
| Unknown | hsCRP & CH Indices in Patients With Coronary Artery Disease With and Without Apical Periodontitis NCT06270693 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Completed | Association Between Apical Periodontitis and Atherosclerotic Cardiovascular Diseases NCT05792787 | University of Siena | — |
| Unknown | Application of a Dental-dedicated MRI in the Diagnosis of Temporomandibular Joint Disorders, Tissue Alteration NCT05439330 | University of Aarhus | N/A |
| Completed | Effects of Intracanal Cryotherapy on Endodontic Postoperative Pain NCT05611736 | Qassim University | N/A |
| Completed | Apical Periodontitis and Mental Health NCT06589076 | University of Siena | — |
| Completed | Expression of IL-8 Before and After Root Canal Treatment in Patients With Symptomatic Apical Periodontitis NCT05653947 | Cairo University | N/A |
| Completed | Evaluation of the Effect of Leukocyte and Platelet-rich Fibrin on Healing After Periradicular Surgery NCT05847647 | Seyda Ersahan, DDS, PhD | N/A |
| Completed | Association Between Apical Periodontitis and Psoriasis Vulgaris NCT06436339 | University of Siena | — |
| Unknown | Evaluation of IL-17, TNF-alpha, RANKL Levels in Gingival Cervicular Fluid NCT05232591 | Yuzuncu Yil University | — |
| Completed | Efficacy of Lasers in Root Canal Treatment, Part II: Postoperative Pain NCT06129643 | Future University in Egypt | Phase 2 |
| Completed | Comparing Different Single and Combination Chelating Agents on Sealer Penetration and Dentin Erosion. NCT05778227 | Dow University of Health Sciences | N/A |
| Completed | Effectiveness of Different Obturation Techniques NCT06226740 | Abant Izzet Baysal University | N/A |
| Terminated | Effectiveness of GentleWave on the Healing of Apical Periodontitis: A Prospective Cohort Study NCT04966169 | University of Iowa | N/A |
| Completed | Intraoral Cryotherapy on Cytokine Levels and Postoperative Endodontic Pain NCT05017064 | Ondokuz Mayıs University | N/A |
| Completed | Regenerative Endodontic Treatment of Mature Necrotic Teeth With Apical Periodontitis NCT04018456 | Cairo University | N/A |
| Completed | Effect of Smoking on Periapical Healing After NSRCT NCT05799937 | Postgraduate Institute of Dental Sciences Rohtak | — |
| Completed | Assessment of Different Disinfection Protocols on Regenerative Potential of Mature Teeth NCT05557994 | Minia University | N/A |
| Completed | Serum Pro-Diabetes Inflammation Biomarkers in Patients With Apical Periodontitis. NCT04824209 | University of Turin, Italy | — |
| Completed | Inflammation-Related Endothelial Barrier Dysfunction in Patients With Apical Periodontitis NCT07292363 | University of Turin, Italy | — |
| Completed | Comparative Analysis of Photodynamic Therapy on Periapical Healing NCT06553144 | University of Gaziantep | N/A |
| Unknown | Effect of Low-level Laser Therapy Versus Calcium Hydroxide Intracanal Medication on Postoperative Pain and Sub NCT04594317 | Cairo University | N/A |
| Unknown | Prospective Endodontics Database NCT04716478 | Hospices Civils de Lyon | — |
| Completed | Healing Outcomes Following Hydraulic Condensation With a Bioactive Bioceramic Sealer in Root Canal Treatment NCT07075354 | Plovdiv Medical University | N/A |
| Completed | The Effect of Different Irrigation and Disinfection Methods on Post-operative Pain (PP) NCT05195021 | Biruni University | N/A |
| Recruiting | One Vs Two Visits Root Canal Treatments in Infected Teeth NCT04605445 | Malmö University | N/A |
| Completed | Cryotherapy on Inflammatory Profile and Postoperative Pain Levels in Endodontic Infections NCT04798144 | Ondokuz Mayıs University | N/A |
| Completed | Postoperative Pain and Healing in Teeth Treated With GentleWave or EndoActivator NCT04552132 | St. Louis University | N/A |
| Completed | Effect of Lifestyle on Caries and Apical Periodontitis NCT06072742 | University of Siena | — |
| Withdrawn | Kovanaze Vs. Articaine in Achieving Pulpal Anesthesia of Maxillary Teeth - General NCT04104789 | Virginia Commonwealth University | Phase 2 |
| Unknown | Endodontic Microsurgery With the Use of L-PRF Block NCT05379010 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Withdrawn | Kovanaze Vs. Articaine in Achieving Pulpal Anesthesia of Maxillary Teeth - Endodontics NCT04105985 | Virginia Commonwealth University | Phase 2 |
| Completed | A New Clinical Use of Ferumoxytol Nanoparticles: An Antibiofilm Treatment NCT06110494 | University of Pennsylvania | Phase 4 |
| Completed | "Effect of Apical Patency on Post-endodontic Pain" NCT04551209 | National University of Medical Sciences, Pakistan | N/A |
| Completed | Postoperative Pain After Using NiTi Instruments NCT04700995 | Trakya University | N/A |
| Completed | Ethanolic Extract of Sapindus Mukorrossi as Final Endodontic Irrigant. NCT05038059 | Dow University of Health Sciences | N/A |
| Unknown | Single And Multiple-visit Endodontic Retreatment Outcome. NCT04390789 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Completed | Transplantation of Allogeneic MSC in Patients With Pulp Necrosis and Chronic Apical Periodontitis NCT04545307 | Universidad Central de Venezuela | Phase 2 / Phase 3 |
| Unknown | Assessment of Regenerative Potential of Mature Permanent Teeth With Necrotic Pulps Using Two Revascularization NCT04158232 | Minia University | N/A |
| Completed | Effects of PDT and Bioceramic Filling on Periapical Healing and Postoperative Pain After Endodontic Retreatmen NCT04072926 | Medical Innovation Center Wroclaw | EARLY_Phase 1 |
| Completed | Therapeutic Irrigation Procedures to Treat Apical Periodontitis NCT03987659 | University of Birmingham | N/A |
| Completed | Bone Regenerative Techniques in Endodontic Microsurgery NCT04514991 | University of Pennsylvania | N/A |
| Terminated | Kovanaze Vs. Articaine in Achieving Pulpal Anesthesia of Maxillary Teeth - Pediatric NCT03962634 | Virginia Commonwealth University | Phase 2 |
| Completed | E. Faecalis Prevalence in Primary and Secondary Endodontic Infections: a Pre-post Microbial Analysis Following NCT04637659 | University of Siena | — |
| Completed | Effect of Diode Laser on Post-operative Pain After Endodontic Treatment in Teeth With Apical Periodontitis NCT04486196 | Biruni University | N/A |
| Completed | Effect of Primary Non-surgical Endodontic Therapy on Glycaemic Control in Type 2 Diabetic Patients With Asympt NCT05170880 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Unknown | In Vivo Assessment of Endodontics Procedures NCT03243357 | Federal University of Uberlandia | N/A |
| Unknown | FE in Anterior Teeth NCT03527602 | Isparta Military Hospital | N/A |
| Unknown | Effect of Occlusal Reduction on Post-operative Pain NCT03189771 | Cairo University | N/A |
| Completed | Postoperative Pain and PTN and Reciproc NCT03380585 | Isparta Military Hospital | N/A |
| Unknown | Effect of Passive Ultrasonic Irrigation Versus Needle Irrigation on Postoperative Pain and Periapical Healing NCT02913937 | Cairo University | N/A |
| Completed | Reciprocation vs Rotational Single-file Systems in Postoperative Pain NCT02929511 | Isparta Military Hospital | N/A |
| Completed | The Effect of MTA and PRF Application in Periapical Lesions NCT03743987 | Recep Tayyip Erdogan University Training and Research Hospital | N/A |
| Completed | Effect of Sodium Hypochlorite Concentration on Success of Non-surgical Root Canal Treatment NCT03288467 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Unknown | Association of Endodontic Infection With Cardiovascular Disease. NCT03425383 | Postgraduate Institute of Dental Sciences Rohtak | — |
| Completed | Effect of Various Sealers on Healing of Teeth With Apical Periodontitis NCT03397875 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Completed | Comparison of Healing of Apical Periodontitis in Periodontally Diseased and Healthy Patients. NCT03711942 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Completed | Effect of Intraorifice Barrier on Healing of Apical Periodontitis NCT03409887 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Completed | Effect of Coronal Extent of Obturation on Endo-perio Lesions NCT03171376 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Unknown | Outcome of Endodontic Treatment in Patient Treated With a Hydraulic Sealer NCT04249206 | Cittadella Universitaria | Phase 4 |
| Completed | Validation of PUFA Index in Assessing Untreated Dental Caries Among Malaysian Adult Subpopulation NCT04126928 | Universiti Kebangsaan Malaysia Medical Centre | N/A |
| Completed | Effect of Smear Layer on Endodontic Outcome NCT03277404 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Completed | Effect of Different Instrumentation Technique on Endodontic Outcome NCT03278054 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Completed | Clinical and Microbiological Evaluation of 0.5% Versus 3% Sodium Hypochlorite in Root Canal Treatment NCT02681276 | Göteborg University | N/A |
| Completed | Evaluation of iRoot SP as Root Canal Sealer: A Clinical Study NCT02981693 | Hui Chen | N/A |
| Completed | Effect of Apical Patency on Success of Root Canal Treatment in Non Vital Teeth NCT03454815 | Postgraduate Institute of Dental Sciences Rohtak | N/A |
| Completed | Accuracy of ERCLMDs in Teeth With Apical Periodontitis NCT01904552 | Isfahan University of Medical Sciences | Phase 1 |
| Recruiting | Factors Affecting the Endodontic Treatment Outcome NCT05221450 | Odontos, Specialisticna Zobna Ambulanta, d.o.o. | — |