[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100623993":3},{"organization":4,"outcomesModule":7,"designInfo":19,"detailedDescription":26,"studyPopulation":18,"armGroups":27,"interventions":45,"overallOfficials":18,"centralContacts":59,"locations":65,"responsibleParty":85,"collaborators":18,"id":89,"slug":90,"hasResults":91,"nctId":92,"briefTitle":93,"officialTitle":94,"acronym":18,"eligibilityCriteria":95,"healthyVolunteers":96,"sex":97,"minAge":98,"maxAge":99,"enrollmentInfo":100,"targetDuration":18,"studyType":103,"phases":104,"briefSummary":106,"conditions":107,"keywords":18,"overallStatus":68,"whyStopped":18,"lastUpdateSubmitDate":109,"lastUpdatePostDateStruct":110,"startDateStruct":113,"completionDateStruct":115,"leadSponsor":117,"locationsCount":118},{"fullName":5,"class":6},"October 6 University","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":18},[9],{"measure":10,"description":11,"timeFrame":12},"Accuracy","measure accuracy between the dimension of the prepared canal gained by intra-radicular impression and the dimension of the prepared canal directly by two different types of intraoral scanners","Immediately after scanning.",[14],{"measure":15,"description":16,"timeFrame":17},"Patient-reported comfort","Patient-reported comfort (assessed via a Likert scale questionnaire) Scaled from 0-100 The highest score means excellent The lowest score means unsatisfactory","Immediately after impression taking and scanning.",null,{"allocation":20,"interventionModel":21,"interventionModelDescription":18,"primaryPurpose":6,"observationalModel":18,"timePerspective":18,"maskingInfo":22},"RANDOMIZED","CROSSOVER",{"masking":23,"maskingDescription":18,"whoMasked":24},"SINGLE",[25],"OUTCOMES_ASSESSOR","The fabrication of intra-radicular attachments is a critical step in restoring endodontically treated teeth. The accuracy of these restorations directly impacts their clinical performance, including retention, marginal fit, and long-term success. With advancements in digital dentistry, intraoral scanners (IOS) have become increasingly popular for direct scanning of intra-radicular preparations. However, the accuracy of these scanners varies depending on their technology, software, and clinical conditions",[28,34,40],{"label":29,"type":30,"description":31,"interventionNames":32},"Group I","ACTIVE_COMPARATOR","Indirect scanning by desktop scanner (for the conventional impression)",[33],"Device: 3 shape desktop scanner",{"label":35,"type":36,"description":37,"interventionNames":38},"Group II","EXPERIMENTAL","Intraoral scanning by Intraoral scanner A",[39],"Device: SHINING 3D intraoral scanner",{"label":41,"type":36,"description":42,"interventionNames":43},"Group III","Intraoral scanning by Intraoral scanner B",[44],"Device: Planmeca Emerald S intraoral scanner",[46,51,55],{"type":47,"name":48,"description":49,"armGroupLabels":50,"otherNames":18},"DEVICE","3 shape desktop scanner","Scanning of intra-radicular impression by desktop scanner",[29],{"type":47,"name":52,"description":53,"armGroupLabels":54,"otherNames":18},"SHINING 3D intraoral scanner","Direct scanning of the intra-radicular canal by Intraoral scanner A",[35],{"type":47,"name":56,"description":57,"armGroupLabels":58,"otherNames":18},"Planmeca Emerald S intraoral scanner","Direct scanning of the intra-radicular canal by Intraoral scanner B",[41],[60],{"name":61,"role":62,"phone":63,"phoneExt":18,"email":64},"Afnan GM Qamar","CONTACT","01158902700","afnan.gamal98@gmail.com",[66],{"facility":67,"status":68,"city":69,"state":70,"zip":71,"country":72,"countryCode":73,"cosmosGeoPoint":74,"geoPoint":79,"contacts":80},"Hospital of October 6 university","RECRUITING","Giza","Giza Governorate","12573","Egypt","EG",{"type":75,"coordinates":76},"Point",[77,78],31.20861,30.00944,{"lat":78,"lon":77},[81],{"name":82,"role":62,"phone":83,"phoneExt":18,"email":84},"Afnan Gamal Qamar, BDS","+201158902700","afnan.gama.dent@o6u.edu.eg",{"type":86,"investigatorFullName":87,"investigatorTitle":88,"investigatorAffiliation":5,"oldNameTitle":18,"oldOrganization":18},"PRINCIPAL_INVESTIGATOR","Afnan Gamal Mohamed Qamar","Teaching assistant in removable prosthodontic department","100623993","effect-of-scanning-technology-on-the-accuracy-of-digitally-customized-intraradicular-attachments-100623993",false,"NCT07403851","Effect of Scanning Technology on the Accuracy of Digitally Customized Intraradicular Attachments","Effect of Scanning Technology on the Accuracy of Digitally Customized Intraradicular Attachments: A Cross Overstudy","Inclusion Criteria:\n\n1. Patients aged 18-65 years.\n2. Endodontically treated teeth requiring intra-radicular attachments.\n3. Adequate oral hygiene .\n4. Periodontally Compromised Teeth: When some teeth have reduced bone support but can still be maintained as overdenture abutments with proper treatment.\n\nExclusion Criteria:\n\n1. Severely Compromised Remaining Teeth: If the remaining teeth have poor prognosis due to extensive decay or severe periodontal disease.\n2. Severe Bone Loss Around Abutment Teeth: If the remaining teeth do not provide adequate support, they may fail early, leading to additional complications.\n3. Severe Malocclusion: Where occlusal discrepancies make overdenture placement difficult.\n4. Limited inter-arch Space: cann't accommodate the overdenture components. 5 . Poor Oral Hygiene: increase the risk of decay or periodontal issues in retained abutments.",true,"ALL","18 Years","65 Years",{"count":101,"type":102},60,"ESTIMATED","INTERVENTIONAL",[105],"NA","This study aims to evaluate the accuracy of intra-radicular attachments fabricated by direct scanning using three different scanners in vivo. The primary outcome will be the accuracy of the fabricated attachments, while secondary outcomes will includepatient-reported comfort during procedure of taking intraradicular attachment conventional impression and direct scanning.",[108],"Scanning Devices","2026-06-29",{"date":111,"type":112},"2026-07-01","ACTUAL",{"date":114,"type":112},"2026-05-01",{"date":116,"type":102},"2026-08-01",{"name":5,"class":6},1]