[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100565576":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":32,"centralContacts":43,"locations":52,"responsibleParty":69,"collaborators":31,"id":73,"slug":31,"hasResults":74,"nctId":75,"briefTitle":76,"officialTitle":77,"acronym":78,"eligibilityCriteria":79,"healthyVolunteers":80,"sex":81,"minAge":82,"maxAge":83,"enrollmentInfo":84,"targetDuration":31,"studyType":87,"phases":88,"briefSummary":90,"conditions":91,"keywords":93,"overallStatus":55,"whyStopped":31,"lastUpdateSubmitDate":98,"lastUpdatePostDateStruct":99,"startDateStruct":102,"completionDateStruct":104,"leadSponsor":106,"locationsCount":107},{"fullName":5,"class":6},"Ain Shams University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Titanium dental implants group","ACTIVE_COMPARATOR","Two-implants One-piece titanium dental implants with titanium ball attachments retaining mandibular overdentures",[13],"Other: One-piece titanium dental implants",{"label":15,"type":10,"description":16,"interventionNames":17},"Zirconia dental implants group","Two-implants One-piece zirconia dental implants with zirconia ball attachments retaining mandibular overdentures",[18],"Other: One-piece zirconia dental implants",[20,27],{"type":6,"name":21,"description":22,"armGroupLabels":23,"otherNames":24},"One-piece zirconia dental implants","One-piece zirconia dental implants with zirconia ball attachments, these implants are metal free made of oxide ceramics with cutting-edge Selective laser melting(SLM) surface treatment technology",[15],[25,26],"Z-SYSTEMS","ceramic implants",{"type":6,"name":28,"description":29,"armGroupLabels":30,"otherNames":31},"One-piece titanium dental implants","One-piece Titanium dental implants with titanium ball attachments, these implants are gold standard compatible implants",[9],null,[33,37,41],{"name":34,"affiliation":35,"role":36},"Mohammad Irakky, masters","Faculty of Dentistry, Benha University","PRINCIPAL_INVESTIGATOR",{"name":38,"affiliation":39,"role":40},"Omnia M. Refai, PHD","Faculty of Dentistry, Ain Shams Univeristy","STUDY_DIRECTOR",{"name":42,"affiliation":39,"role":40},"Noha Helmy Nawar, PHD",[44,48],{"name":34,"role":45,"phone":46,"phoneExt":31,"email":47},"CONTACT","00201111232777","implanteeth@hotmail.com",{"name":49,"role":45,"phone":50,"phoneExt":31,"email":51},"Omnia M. Refai, Phd","00201202420046","omnia_refaie@dent.asu.edu.eg",[53],{"facility":54,"status":55,"city":56,"state":31,"zip":31,"country":57,"cosmosGeoPoint":58,"geoPoint":63,"contacts":64},"Faculty of Dentistry, Ain Shams University","RECRUITING","Cairo","Egypt",{"type":59,"coordinates":60},"Point",[61,62],31.24967,30.06263,{"lat":62,"lon":61},[65,67],{"name":66,"role":45,"phone":31,"phoneExt":31,"email":47},"Mohammad Eissa, masters",{"name":68,"role":45,"phone":50,"phoneExt":31,"email":51},"Omnia Refaie, Phd",{"type":36,"investigatorFullName":70,"investigatorTitle":71,"investigatorAffiliation":72,"oldNameTitle":31,"oldOrganization":31},"Mohammad Eissa Mohammad Irakky","Assistant Lecturer of oral and maxillofacial prosthodontics, faculty of dentistry , Benha University","Benha University","100565576",false,"NCT06643975","Patient Satisfaction and Crestal Bone Changes Around One-piece Zirconia(Zr) and Titanium(Ti) in Implant-Retained Mandibular Overdenture","Assessment of Patient Satisfaction and Crestal Bone Changes Around One-piece Zirconia and Titanium Implants in Mandibular Implant-Retained Overdenture: A Randomized Clinical Trial","(Zr) - (Ti)","Inclusion Criteria:\n\n* Male patients\n* The age range of 50 to 60 years old (average of 55).\n* moderately developed mandibular residual ridges, covered with healthy mucosa, firmly attached to the underling bone and with average mucosal thickness (2-3) mm.\n* At least 12 mm of vertical bone height in the mandible allowing for placement of a 10 mm implant (2 mm safety distance to inferior alveolar nerve).\n* Patients were selected with Angle class-I maxillomandibular relationship with sufficient inter-arch space (13-15mm\n\nExclusion Criteria:\n\n* Heavy smokers of more than 10 cigarettes a day\n* Poor oral hygiene.\n* Patients with temporomandibular joint disorders(TMD),\n* Patients suffered of xerostomia,\n* Patients exhibited Para-functional habits, or recent extractions were excluded.\n* Patients with systemic diseases that might affect bone quality or quantity, or retard healing of the surgical wounds were excluded.\n* Patients receiving intravenous forms of bisphosphonates.\n* Patients who have had radiation therapy to the head and neck region.\n* Patients with existing implants in the jaws\n* Patients with previous bone grafting in either the maxillary or mandibular jaws.",true,"MALE","50 Years","60 Years",{"count":85,"type":86},20,"ESTIMATED","INTERVENTIONAL",[89],"NA","This interventional randomized clinical trial study is conducted to assess patient satisfaction and crestal bone changes around one-piece Zr and Ti Implants in mandibular implant-retained overdenture in completely edentulous male patients in the age group between (50-60)years old to know if there will be a significant difference between the two types of dental implants through 12 months after the definitive prosthetic loading",[92],"Complete Edentulism",[94,95,96,97],"Zirconia","One-piece","Overdenture","Implant","2024-10-19",{"date":100,"type":101},"2024-10-22","ACTUAL",{"date":103,"type":101},"2024-06-15",{"date":105,"type":86},"2025-10-15",{"name":5,"class":6},1]