[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100543913":3},{"organization":4,"armGroups":7,"interventions":22,"overallOfficials":27,"centralContacts":31,"locations":36,"responsibleParty":54,"collaborators":10,"id":58,"slug":59,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":63,"acronym":10,"eligibilityCriteria":64,"healthyVolunteers":60,"sex":65,"minAge":66,"maxAge":67,"enrollmentInfo":68,"targetDuration":10,"studyType":71,"phases":10,"briefSummary":72,"conditions":73,"keywords":75,"overallStatus":39,"whyStopped":10,"lastUpdateSubmitDate":79,"lastUpdatePostDateStruct":80,"startDateStruct":83,"completionDateStruct":85,"leadSponsor":87,"locationsCount":88},{"fullName":5,"class":6},"Menoufia University","OTHER",[8,14,18],{"label":9,"type":10,"description":11,"interventionNames":12},"Titanium framework group",null,"Virtual design for Titanium subperiosteal framework group on atrophied maxilla.",[13],"Other: Subperiosteal implant framework",{"label":15,"type":10,"description":16,"interventionNames":17},"PEEK framework group","Virtual design for PEEK subperiosteal framework group on atrophied maxilla.",[13],{"label":19,"type":10,"description":20,"interventionNames":21},"PEKK framework group","Virtual design for PEKK subperiosteal framework group on atrophied maxilla.",[13],[23],{"type":6,"name":24,"description":25,"armGroupLabels":26,"otherNames":10},"Subperiosteal implant framework","A 3D image of an edentulous maxilla bone will be derived from a computed tomography scan of an adult patient and saved as \"stl\" data. The solid geometry of the maxilla, including the cortical and spongious bone, was rebuilt from the \"stl\" data into the Digital Imaging and Communications in Medicine (DICOM) format with 3D-Doctor (Able Software Corp., MA, USA).\n\nWith the Boolean method, force loading will be achieved between prosthetic parts, subperiosteal implant screws and bone tissues",[15,19,9],[28],{"name":29,"affiliation":5,"role":30},"Mohammed A. El-Sawy, PhD","STUDY_CHAIR",[32],{"name":29,"role":33,"phone":34,"phoneExt":10,"email":35},"CONTACT","161314522","Dr_sawy@windowslive.com",[37],{"facility":38,"status":39,"city":40,"state":10,"zip":41,"country":42,"countryCode":43,"cosmosGeoPoint":44,"geoPoint":49,"contacts":50},"Mohammed A. El-Sawy","RECRUITING","Al Mansurah","12345","Egypt","EG",{"type":45,"coordinates":46},"Point",[47,48],31.38069,31.03637,{"lat":48,"lon":47},[51,52],{"name":29,"role":33,"phone":34,"phoneExt":10,"email":35},{"name":53,"role":33,"phone":10,"phoneExt":10,"email":10},"PhD",{"type":55,"investigatorFullName":56,"investigatorTitle":57,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Mohammed El-Sawy","lecturer, Department of Prosthetic dental science, principle investigator","100543913","biomechanical-effects-of-digitally-constructed-subperiosteal-implants-100543913",false,"NCT06362057","Biomechanical Effects of Digitally Constructed Subperiosteal Implants","Biomechanical Effects of Digitally Constructed Subperiosteal Implants From Different Materials With Different Prosthetic Superstructures on Atrophied Maxilla: A Finite Element Analysis","Inclusion Criteria:\n\n* A 3D image of an edentulous maxilla bone derived from a computed tomography scan of an adult patient.\n* Maxilla with Cawood and Howell class 4 or 5 classification\n\nExclusion Criteria:\n\n* A 2D image of an edentulous maxilla bone\n* A non atrophied maxilla","ALL","30 Years","70 Years",{"count":69,"type":70},9,"ESTIMATED","OBSERVATIONAL","Subperiosteal implants were first introduced in 1940 and then used worldwide for the treatment of edentulous maxilla or mandible with advanced bone atrophy.",[74],"Bone Loss",[76,77,78],"Polyetherketoneketone","Titanium","Polyethereetherketone","2025-03-25",{"date":81,"type":82},"2025-03-27","ACTUAL",{"date":84,"type":82},"2024-04-04",{"date":86,"type":70},"2025-07-27",{"name":5,"class":6},1]