[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100652920":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":26,"centralContacts":31,"locations":42,"responsibleParty":60,"collaborators":36,"id":64,"slug":65,"hasResults":66,"nctId":67,"briefTitle":68,"officialTitle":69,"acronym":36,"eligibilityCriteria":70,"healthyVolunteers":71,"sex":72,"minAge":73,"maxAge":74,"enrollmentInfo":75,"targetDuration":36,"studyType":78,"phases":79,"briefSummary":81,"conditions":82,"keywords":36,"overallStatus":45,"whyStopped":36,"lastUpdateSubmitDate":84,"lastUpdatePostDateStruct":85,"startDateStruct":88,"completionDateStruct":90,"leadSponsor":92,"locationsCount":93},{"fullName":5,"class":6},"Minia University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Xp Finisher R file Group","ACTIVE_COMPARATOR","About 17 cases suffering from caries then the Caries will be removed with a sterile stone will undergo Xp Shaper R file for irrigation activation during retreatment procedure",[13],"Procedure: Xp Finisher R file",{"label":15,"type":10,"description":16,"interventionNames":17},"Ultrasonic activation Group","About 17 cases suffering from caries then the Caries will be removed with a sterile stone will undergo Ultrasonic activation of irrigation activation during retreatment procedure",[13],[19],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":24},"PROCEDURE","Xp Finisher R file","to evaluate the incidence and severity of postoperative pain using a numeric rating scale at 24, 48, and 72 hours and periapical healing via CBCT following retreatment with two different irrigation activation techniques:\n\n1. Xp Finisher R file activation of irrigation.\n2. Ultrasonic activation of irrigation.",[15,9],[25],"Ultrasonic activation",[27],{"name":28,"affiliation":29,"role":30},"Wael Hussien kamel, M.D","Professor of Endodontics Head of Endodontic Department,Faculty of Dentistry,Future University","STUDY_CHAIR",[32,38],{"name":33,"role":34,"phone":35,"phoneExt":36,"email":37},"Magdy Mohy Eldeen Abdulrazzak, MSC","CONTACT","+201153661666",null,"Dentist.magdy@gmail.com",{"name":39,"role":34,"phone":40,"phoneExt":36,"email":41},"Wael Hussien kamel, professor","+201001251094","waelkamel.26@azhar.edu.eg",[43],{"facility":44,"status":45,"city":46,"state":36,"zip":36,"country":47,"countryCode":48,"cosmosGeoPoint":49,"geoPoint":54,"contacts":55},"Dentistery Hospital, Minia University","RECRUITING","Minya","Egypt","EG",{"type":50,"coordinates":51},"Point",[52,53],30.75813,28.09193,{"lat":53,"lon":52},[56],{"name":57,"role":34,"phone":58,"phoneExt":36,"email":59},"Ahmed Ali Yossef, Lecturer","+201007335293","ahmed.yousef@mu.edu.eg",{"type":61,"investigatorFullName":62,"investigatorTitle":63,"investigatorAffiliation":5,"oldNameTitle":36,"oldOrganization":36},"PRINCIPAL_INVESTIGATOR","Magdy Mohy Eldeen","Assistant Lecturer at Endodontics Department, Faculty of Dentistry","100652920","evaluation-of-the-effect-of-different-irrigation-activation-methods-during-endodontic-retreatment-100652920",false,"NCT07779148","Evaluation of the Effect of Different Irrigation Activation Methods During Endodontic Retreatment","Evaluation of the Effect of Different Irrigation Activation Methods During Endodontic Retreatment on Postoperative Pain and Periapical Healing in Single-Rooted Teeth: A Randomized Controlled Clinical Trial","Inclusion Criteria:\n\n* Patients with mature teeth.\n* Patients with failed previous Endo treatment related by periapical periodontitis\n* Single Rooted with single root canal.\n* Patients should be free from any systemic disease that may affect predictable outcome.\n* Patients who agree to the consent and will commit to follow-up period\n\nExclusion Criteria:\n\n* Patients with immature roots.\n* Patients with any systemic disease that may affect normal healing.\n* Patients with swelling.\n* Pregnant females.\n* Patients who could\u002Fwould not participate in follow-up.\n* Patients with old age.\n* Teeth with periodontal involvement.\n* Teeth with vertical root fractures.\n* Non-restorable teeth",true,"ALL","13 Years","60 Years",{"count":76,"type":77},34,"ESTIMATED","INTERVENTIONAL",[80],"NA","The persistent and secondary intraradicular infections are the primary causes of post-treatment disease following endodontic treatment of any tooth. When conventional root canal treatment fails, endodontic retreatment is often the preferred option, as it represents one of the most conservative approaches.\n\nEndodontic retreatment involves removing old root canal filling material followed by cleaning, shaping, and refilling the canals. It may be associated with postoperative pain due to periapical tissue irritation and apical extrusion of debris during instrumentation.",[83],"Endodontic Inflammation","2026-08-18",{"date":86,"type":87},"2026-08-21","ACTUAL",{"date":89,"type":87},"2026-08-01",{"date":91,"type":77},"2027-08-10",{"name":5,"class":6},1]