[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"dental-prosthesis-implant-supported\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:dental-prosthesis-implant-supported":28},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,3,0,[8,54,82],{"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":11,"sex":17,"minAge":61,"maxAge":4,"enrollmentInfo":62,"targetDuration":4,"studyType":23,"phases":64,"briefSummary":65,"conditions":66,"keywords":67,"overallStatus":71,"whyStopped":4,"lastUpdateSubmitDate":72,"lastUpdatePostDateStruct":73,"startDateStruct":75,"completionDateStruct":77,"leadSponsor":79,"locationsCount":81},"100599928","additively-versus-subtractively-manufactured-implant-supported-fixed-dental-prostheses-100599928","NCT07090863","Additively Versus Subtractively Manufactured Implant Supported Fixed Dental Prostheses","Additively (AM) Versus Subtractively (SM) Manufactured Implant Supported Fixed Dental Prostheses (iFDPs)","Inclusion Criteria:\n\n* Signed Informed Consent Form in English language\n* ≥ 20 years of age\n* In need of at least one definitive screw retained premolar or molar iFDP on an existing dental implant (Straumann AG)\n* Presence of at least one adjacent tooth at the implant site\n* Adequate oral hygiene\n* Capability to comply with the study procedures\n\nExclusion Criteria:\n\n* Pregnant or lactating women\n* Known or suspected non-compliance, drug or alcohol abuse\n* Severe periodontal and peri-implant disease","20 Years",{"count":63,"type":22},50,[25],"This research is being done to evaluate the clinical, technical, biological, and aesthetic results of two different fabrication methods (additive and subtractive) for creating implant-supported fixed dental prostheses (iFDPs). Patients will receive an iFDP, meaning an implant-supported crown, according to regular treatment protocols. The fabrication method used to create the implant-supported crown will be decided in a randomised way. Clinical and radiological examinations will be performed prior to and when receiving the implant-supported crown and during a follow-up period of 3 years. Furthermore, technician- and patient-reported outcomes will be evaluated used questionnaires.",[28],[68,69,70],"3D-printing","implant-supported prostheses","additive manufacturing","NOT_YET_RECRUITING","2025-07-31",{"date":74,"type":45},"2025-08-05",{"date":76,"type":22},"2025-07-30",{"date":78,"type":22},"2029-07-20",{"name":80,"class":52},"Harvard Medical School (HMS and HSDM)",2,{"id":83,"slug":84,"hasResults":11,"nctId":85,"briefTitle":86,"officialTitle":87,"acronym":88,"eligibilityCriteria":89,"healthyVolunteers":16,"sex":17,"minAge":90,"maxAge":91,"enrollmentInfo":92,"targetDuration":4,"studyType":23,"phases":94,"briefSummary":95,"conditions":96,"keywords":99,"overallStatus":41,"whyStopped":4,"lastUpdateSubmitDate":106,"lastUpdatePostDateStruct":107,"startDateStruct":109,"completionDateStruct":111,"leadSponsor":113,"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","70 Years",{"count":93,"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.",[97,28,29,98],"Edentulous Jaw","Dental Implantation, Endosseous",[34,39,100,101,102,103,104,35,105],"Geometric pattern","Prosthesis framework","Intraoral scanner","Splinted impression","CAD\u002FCAM prosthodontics","Dental implants","2025-07-13",{"date":108,"type":45},"2025-07-15",{"date":110,"type":22},"2025-09-30",{"date":112,"type":22},"2026-09-15",{"name":114,"class":52},"Mirna ashraf anis heneen"]