[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100403008":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":23,"centralContacts":23,"locations":24,"responsibleParty":44,"collaborators":23,"id":48,"slug":49,"hasResults":50,"nctId":51,"briefTitle":52,"officialTitle":53,"acronym":23,"eligibilityCriteria":54,"healthyVolunteers":50,"sex":55,"minAge":56,"maxAge":57,"enrollmentInfo":58,"targetDuration":23,"studyType":61,"phases":62,"briefSummary":64,"conditions":65,"keywords":69,"overallStatus":26,"whyStopped":23,"lastUpdateSubmitDate":74,"lastUpdatePostDateStruct":75,"startDateStruct":78,"completionDateStruct":80,"leadSponsor":82,"locationsCount":83},{"fullName":5,"class":6},"Universitat Internacional de Catalunya","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"1-vist endodontic retreatment","ACTIVE_COMPARATOR","Non-surgical root canal retreatment performed in one visit",[13],"Procedure: Non-surgical root canal retreatment",{"label":15,"type":10,"description":16,"interventionNames":17},"2-vist endodontic retreatment","Non-surgical root canal retreatment performed in two visits",[13],[19],{"type":20,"name":21,"description":21,"armGroupLabels":22,"otherNames":23},"PROCEDURE","Non-surgical root canal retreatment",[9,15],null,[25],{"facility":5,"status":26,"city":27,"state":28,"zip":29,"country":30,"countryCode":31,"cosmosGeoPoint":32,"geoPoint":37,"contacts":38},"RECRUITING","Sant Cugat del Vallès","Barcelona","08195","Spain","ES",{"type":33,"coordinates":34},"Point",[35,36],2.08611,41.47063,{"lat":36,"lon":35},[39],{"name":40,"role":41,"phone":42,"phoneExt":23,"email":43},"Juan G. Olivieri, DDS, PhD","CONTACT","935042000","jgolivieri@uic.es",{"type":45,"investigatorFullName":46,"investigatorTitle":47,"investigatorAffiliation":5,"oldNameTitle":23,"oldOrganization":23},"PRINCIPAL_INVESTIGATOR","Juan Gonzalo Olivieri","Principal investigator","100403008","outcome-of-endodontic-retreatment-in-one-or-two-visits-100403008",false,"NCT04527705","Outcome of Endodontic Retreatment in One or Two Visits","Clinical and Radiographic Outcome of Endodontic Retreatment in One or Two Visits: A Randomized Controlled Trial.","Inclusion Criteria:\n\n* Patients that demonstrate understanding of the study and willingness to participate as evidenced by signing the voluntary informed consent and received a signed and dated copy of the informed consent form.\n* Understands and is willing to comply with all study procedures and restrictions.\n* Not presence of clinically significant and relevant abnormalities of clinical history or oral examination.\n* Retreatment cases due to an endodontic failure.\n* Diagnosis of apical periodontitis.\n* Single or bi-radicular teeth.\n\nExclusion Criteria:\n\n* General: Patients with systemic diseases, diabetes, immunocompromised and pregnant women, or any clinically significant or relevant oral abnormalities.\n* Specific: root resorption, root fractures, impossibility of restoration and cases were secondary root canal treatment is not the treatment of choice.","ALL","18 Years","75 Years",{"count":59,"type":60},110,"ESTIMATED","INTERVENTIONAL",[63],"NA","This study is a prospective randomized controlled study of patients who come to the University and non-surgical root canal retreatment is considered as the election of choice in presence of periapical disease. The aim is to evaluate the success rate of non-surgical retreatment performed in one compared to two visit treatment up to 10 years of follow-up. The null hypothesis is that there will be no statistically significant differences in rates of success, when performing root canal non-surgical retreatment in one or two visits.",[66,67,68],"Endodontic Disease","Endodontically Treated Teeth","Root Canal Infection",[70,71,72,73],"Primary root canal treatment","Secondary root canal treatment","Periapical healing","Outcome","2020-08-23",{"date":76,"type":77},"2020-08-26","ACTUAL",{"date":79,"type":77},"2018-09-20",{"date":81,"type":60},"2031-07-20",{"name":5,"class":6},1]