[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"passive-fit\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:passive-fit":29},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":18,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":23,"briefSummary":25,"conditions":26,"keywords":30,"overallStatus":36,"whyStopped":4,"lastUpdateSubmitDate":37,"lastUpdatePostDateStruct":38,"startDateStruct":41,"completionDateStruct":43,"leadSponsor":45,"locationsCount":5},"100652831","passive-fit-of-implant-supported-frameworks-digital-vs-conventional-impressions-100652831",false,"NCT07778199","Passive Fit of Implant-Supported Frameworks: Digital vs Conventional Impressions","Passive Fit Evaluation of Full-Arch Implant-supported Frameworks Using Digital and Conventional Impression Techniques: Crossover Study","Inclusion Criteria:\n\n* Completely edentulous patients requiring full-arch implant-supported fixed prosthesis\n* Age 35-70 years\n* Adequate mandibular bone to place at least four implants without major grafting\n* Ability to undergo digital scanning and radiographic evaluation\n* Signed informed consent\n\nExclusion Criteria:\n\n* Systemic conditions affecting healing (uncontrolled diabetes, immunosuppression)\n* History of head\u002Fneck radiotherapy or bisphosphonate therapy\n* Active oral infection or severe bruxism\n* Strong gag reflex preventing accurate scanning\n* Poor compliance or unwillingness to attend follow-up visits","ALL","35 Years","70 Years",{"count":20,"type":21},8,"ESTIMATED","INTERVENTIONAL",[24],"NA","This randomized crossover clinical trial compares the passivity of fit of complete-arch mandibular implant-supported frameworks fabricated using three impression techniques: a non-calibrated splinted digital scan body system (IO-Connect), a Reverse Scan Body (RSB) digital impression technique, and a conventional splinted open-tray impression technique. Eight completely edentulous patients each receiving four mandibular implants will be included. Passivity of fit will be evaluated clinically using the Sheffield one-screw test and radiographically using intraoral periapical radiographs obtained with the parallel technique.",[27,28,29],"Dental Implants","Edentulous Jaw","Passive Fit",[31,32,33,34,35],"Passive fit","Implant-supported framework","Digital impression","Full-arch implant prosthesis","Crossover study","RECRUITING","2026-08-20",{"date":39,"type":40},"2026-08-21","ACTUAL",{"date":42,"type":40},"2026-01-25",{"date":44,"type":21},"2027-01-25",{"name":46,"class":47},"Mansoura University","OTHER"]