[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"prosthodontics\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:prosthodontics":29},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,3,0,[8,54,88],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":16,"sex":17,"minAge":18,"maxAge":19,"enrollmentInfo":20,"targetDuration":4,"studyType":23,"phases":24,"briefSummary":26,"conditions":27,"keywords":32,"overallStatus":41,"whyStopped":4,"lastUpdateSubmitDate":42,"lastUpdatePostDateStruct":43,"startDateStruct":46,"completionDateStruct":48,"leadSponsor":50,"locationsCount":53},"100649886","effect-of-scanning-techniques-on-accuracy-of-mandibular-fixed-detachable-prostheses-100649886",false,"NCT07740265","Effect of Scanning Techniques on Accuracy of Mandibular Fixed Detachable Prostheses","Influence of Three Different Scanning Techniques on Scanning Accuracy for Mandibular Fixed Detachable Prosthesis (A Cross Over Study).","Inclusion Criteria:\n\n1. Completely edentulous patients with age between 40-60 years.\n2. Adequate bone height to fulfill the criteria for implant placement.\n3. Patients should have a class I Angle's classification.\n\nExclusion Criteria:\n\n1-. Insufficient vertical inter-arch space to accommodate the restorative components.\n\n2\\. Presence of psychiatric or neurological conditions. 3. Any systemic diseases that may affect implant bone osteointegration.",true,"ALL","40 Years","60 Years",{"count":21,"type":22},7,"ESTIMATED","INTERVENTIONAL",[25],"NA","This crossover clinical study aims to evaluate the influence of three different intraoral scanning techniques on the scanning accuracy and passive fit of mandibular implant-supported fixed detachable prostheses in completely edentulous patients. Each participant will undergo digital implant scanning using three methods: splinted scan bodies, horizontal non-calibrated scan bodies (IO Connect), and auxiliary geometric devices.",[28,29,30,31],"Dental Prosthesis, Implant-Supported","Prosthodontics","Complete Edentulism","Full Arch Implant Rehabilitation",[33,34,35,36,37,38,39,40],"Intraoral Scanner","Digital impression","Passive fit","Auxiliary Geometric Device","Fixed Detachable Prosthesis","Implant Scan Body","Full-arch implant","horizontal scan body","RECRUITING","2026-07-28",{"date":44,"type":45},"2026-07-31","ACTUAL",{"date":47,"type":22},"2026-08-08",{"date":49,"type":22},"2027-07-01",{"name":51,"class":52},"Tanta University","OTHER",1,{"id":55,"slug":56,"hasResults":11,"nctId":57,"briefTitle":58,"officialTitle":59,"acronym":4,"eligibilityCriteria":60,"healthyVolunteers":16,"sex":17,"minAge":61,"maxAge":62,"enrollmentInfo":63,"targetDuration":4,"studyType":23,"phases":65,"briefSummary":66,"conditions":67,"keywords":71,"overallStatus":41,"whyStopped":4,"lastUpdateSubmitDate":42,"lastUpdatePostDateStruct":83,"startDateStruct":84,"completionDateStruct":85,"leadSponsor":87,"locationsCount":53},"100649798","3d-printing-orientation-and-film-thickness-for-maxillary-complete-dentures-100649798","NCT07740278","3D Printing Orientation and Film Thickness for Maxillary Complete Dentures","Clinical and Laboratory Assessment of 3D Printing Orientation and Film Thickness on the Accuracy and Patient Satisfaction of Maxillary Complete Dentures","Inclusion Criteria:\n\n1. Completely edentulous patients with good local and systemic health.\n2. Patients age ranging from 50 to 70 years old.\n3. Patients with adequate inter-arch space.\n4. Patients with good neuromuscular control.\n\nExclusion Criteria:\n\n1. Patients with any oral diseases which may affect denture construction\n2. Patients with oral parafunctional habits.\n3. Patients with tempro-mandibular disorders","50 Years","70 Years",{"count":64,"type":22},15,[25],"This randomized crossover clinical trial aims to evaluate the effect of different three-dimensional (3D) printing orientations and layer thicknesses on the trueness, dimensional accuracy, and patient satisfaction of maxillary complete dentures in completely edentulous patients. Each participant will receive two maxillary 3D-printed complete dentures fabricated using the same printing orientation (0°, 45°, or 90°) with two different layer thicknesses (50 μm and 100 μm) in a crossover sequence. The study will compare the influence of these printing parameters on denture accuracy and patient-reported outcomes to identify the optimal 3D printing settings for complete denture fabrication.",[30,68,29,69,70],"Maxillary Complete Denture Rehabilitation","3d Printing","Digital Denture",[72,73,74,75,76,77,78,79,80,81,82],"Digital dentistry","Patient satisfaction","Dimensional accuracy","Denture trueness","Layer thickness","Build orientation","CAD\u002FCAM dentures","Additive manufacturing","Three-dimensional printing","Maxillary complete denture","Complete edentulism",{"date":44,"type":45},{"date":47,"type":22},{"date":86,"type":22},"2027-03-01",{"name":51,"class":52},{"id":89,"slug":90,"hasResults":11,"nctId":91,"briefTitle":92,"officialTitle":93,"acronym":94,"eligibilityCriteria":95,"healthyVolunteers":16,"sex":17,"minAge":96,"maxAge":62,"enrollmentInfo":97,"targetDuration":4,"studyType":23,"phases":99,"briefSummary":100,"conditions":101,"keywords":104,"overallStatus":41,"whyStopped":4,"lastUpdateSubmitDate":111,"lastUpdatePostDateStruct":112,"startDateStruct":114,"completionDateStruct":116,"leadSponsor":118,"locationsCount":53},"100597976","accuracy-of-standard-and-geometric-pattern-assisted-digital-scanning-for-full-arch-implant-prosthesis-frameworks-100597976","NCT07065487","Accuracy of Standard and Geometric Pattern-Assisted Digital Scanning for Full-Arch Implant Prosthesis Frameworks","Accuracy of Standard vs Geometric Pattern-Assisted Digital Scanning Techniques for Construction of Full Arch Implant Prosthesis Framework: A Crossover Study","GPA Scan","Inclusion Criteria:\n\nAdults aged 30 to 70 years\n\nCompletely edentulous mandible\n\nPresence of four osseointegrated implants in the lower jaw\n\nGood oral and general health\n\nWillingness to participate and provide written informed consent\n\nAvailability for all study appointments\n\nExclusion Criteria:\n\nSystemic diseases or conditions that affect bone healing or implant integration\n\nPresence of oral inflammation, infection, or soft tissue abnormalities at implant sites\n\nHistory of bruxism or parafunctional habits\n\nInability to understand or comply with study procedures","30 Years",{"count":98,"type":22},4,[25],"This clinical trial aims to compare three different impression techniques used to fabricate full-arch implant-supported dental prostheses. Accurate impressions are essential to ensure a passive and precise fit of the final prosthetic framework, which contributes to long-term implant success and patient comfort.\n\nIn this crossover study, participants with four osseointegrated dental implants in the lower jaw will undergo three types of impressions:\n\nConventional splinted impression using polyvinyl siloxane (PVS) material.\n\nStandard digital impression using an intraoral scanner.\n\nGeometric pattern-assisted digital impression, which incorporates a visual reference pattern to improve scan alignment and accuracy.\n\nEach participant will receive all three impression techniques in a randomized sequence, at different time points. The accuracy of each method will be assessed by evaluating the passivity of the resulting prosthetic frameworks using two methods: (1) digital superimposition analysis to measure three-dimensional (3D) spatial deviation, and (2) the clinical \"one-screw test\" to detect misfit.\n\nThe study seeks to determine whether digital scanning, particularly with geometric pattern assistance, can provide accuracy comparable to or better than conventional methods. Findings may guide improvements in digital prosthodontic workflows and support more efficient, predictable treatment outcomes.",[102,28,29,103],"Edentulous Jaw","Dental Implantation, Endosseous",[34,39,105,106,107,108,109,35,110],"Geometric pattern","Prosthesis framework","Intraoral scanner","Splinted impression","CAD\u002FCAM prosthodontics","Dental implants","2025-07-13",{"date":113,"type":45},"2025-07-15",{"date":115,"type":22},"2025-09-30",{"date":117,"type":22},"2026-09-15",{"name":119,"class":52},"Mirna ashraf anis heneen"]