[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100628478":3},{"organization":4,"outcomesModule":7,"designInfo":17,"detailedDescription":16,"studyPopulation":16,"armGroups":24,"interventions":39,"overallOfficials":16,"centralContacts":52,"locations":58,"responsibleParty":75,"collaborators":16,"id":78,"slug":16,"hasResults":79,"nctId":80,"briefTitle":81,"officialTitle":82,"acronym":16,"eligibilityCriteria":83,"healthyVolunteers":79,"sex":84,"minAge":85,"maxAge":86,"enrollmentInfo":87,"targetDuration":16,"studyType":90,"phases":91,"briefSummary":93,"conditions":94,"keywords":16,"overallStatus":61,"whyStopped":16,"lastUpdateSubmitDate":96,"lastUpdatePostDateStruct":97,"startDateStruct":100,"completionDateStruct":102,"leadSponsor":104,"locationsCount":105},{"fullName":5,"class":6},"Alexandria University","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":16,"otherOutcomes":16},[9,13],{"measure":10,"description":11,"timeFrame":12},"Change in preparation scores","Preparations were scored with a prespecified 10-item rubric derived from ADEX criteria for mandibular first molar metal-ceramic crown preparation (overall score 0-10). Each item was rated on a 3-level scale (0, 0.5, or 1) and summed to obtain a total score","Up to 5 weeks",{"measure":14,"description":15,"timeFrame":12},"RMS deviation from the ideal preparation","all the resulting TT-STL files across all sessions (from 1-5) of the study of the three groups of prepared teeth were compared with the ideal preparation",null,{"allocation":18,"interventionModel":19,"interventionModelDescription":16,"primaryPurpose":6,"observationalModel":16,"timePerspective":16,"maskingInfo":20},"RANDOMIZED","PARALLEL",{"masking":21,"maskingDescription":16,"whoMasked":22},"SINGLE",[23],"OUTCOMES_ASSESSOR",[25,30,34],{"label":26,"type":27,"description":16,"interventionNames":28},"Digital assessment 1","EXPERIMENTAL",[29],"Other: Non-metrology-grade digital group (NMG)",{"label":31,"type":27,"description":16,"interventionNames":32},"Digital assessment 2",[33],"Other: metrology-grade digital group (MG)",{"label":35,"type":36,"description":16,"interventionNames":37},"Conventional assessment","ACTIVE_COMPARATOR",[38],"Other: Traditional group (TG)",[40,44,48],{"type":6,"name":41,"description":42,"armGroupLabels":43,"otherNames":16},"Non-metrology-grade digital group (NMG)","Students in NMG used a license-free 3D comparison workflow (Medit Link\u002FCompare, Compare tool; Medit Compare v3.4.9; Medit) to superimpose the prepared-tooth scan (TT-STL) onto the unprepared reference scan (RTS-STL).",[26],{"type":6,"name":45,"description":46,"armGroupLabels":47,"otherNames":16},"metrology-grade digital group (MG)","Students in MG used metrology-grade 3D inspection software (Geomagic Control X v2018.1.1; 3D Systems)to superimpose TT-STL onto RTS-STL. Initial Alignment was performed followed by Best Fit Alignment (iterative closest point registration).",[31],{"type":6,"name":49,"description":50,"armGroupLabels":51,"otherNames":16},"Traditional group (TG)","Students in TG assessed reduction with a silicone putty index and a periodontal probe across the previously predefined regions. Feedback was provided by experienced instructors (≥5 years of clinical teaching experience) using the same regional assessment approach.",[35],[53],{"name":54,"role":55,"phone":56,"phoneExt":16,"email":57},"Mahinour Yousry, PhD","CONTACT","+2 01060080088","dr.mahinour.ahmed@aast.edu",[59],{"facility":60,"status":61,"city":62,"state":16,"zip":16,"country":63,"countryCode":64,"cosmosGeoPoint":65,"geoPoint":70,"contacts":71},"College of Dentistry El Alamein - AAST","RECRUITING","El Alamein","Egypt","EG",{"type":66,"coordinates":67},"Point",[68,69],28.95502,30.83007,{"lat":69,"lon":68},[72,73],{"name":54,"role":55,"phone":16,"phoneExt":16,"email":57},{"name":54,"role":74,"phone":16,"phoneExt":16,"email":16},"PRINCIPAL_INVESTIGATOR",{"type":74,"investigatorFullName":76,"investigatorTitle":77,"investigatorAffiliation":5,"oldNameTitle":16,"oldOrganization":16},"Hams Hamed Abdelrahman","Lecturer of Dental Public Health and biostatistical consultanat","100628478",false,"NCT07462156","AI-Driven Digital Self-Assessment Framework for Preclinical Tooth Preparation","IntelliPrep: An AI-Driven Digital Self-Assessment Framework for Preclinical Tooth Preparation-A Randomized Controlled Trial","Inclusion Criteria:\n\n* Third-year preclinical dental student\n* Completion of the fixed prosthodontics tooth-preparation course.\n* No prior formal training or use of digital 3D tooth-preparation assessment software.\n\nExclusion Criteria:\n\n* previous repetition of the course\n* Substantial prior experience with digital metrology\u002F3D inspection software\n* Inability to attend all scheduled training and examination sessions.","ALL","18 Years","20 Years",{"count":88,"type":89},36,"ESTIMATED","INTERVENTIONAL",[92],"NA","This study aims to compare traditional faculty-based assessment with two AI-assisted digital self-assessment software programs for evaluating tooth preparations for metal-ceramic crowns for undergraduate dental preclinical students at College of Dentistry El Alamein, AAST in terms of: (1) Accuracy of preparation outcomes, (2) Student learning outcomes over a training period.",[95],"Dental Education","2026-03-08",{"date":98,"type":99},"2026-03-10","ACTUAL",{"date":101,"type":99},"2026-02-01",{"date":103,"type":89},"2026-03-25",{"name":5,"class":6},1]