[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100548179":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":29,"centralContacts":33,"locations":38,"responsibleParty":51,"collaborators":25,"id":54,"slug":25,"hasResults":55,"nctId":56,"briefTitle":57,"officialTitle":58,"acronym":25,"eligibilityCriteria":59,"healthyVolunteers":60,"sex":61,"minAge":62,"maxAge":63,"enrollmentInfo":64,"targetDuration":25,"studyType":67,"phases":68,"briefSummary":70,"conditions":71,"keywords":74,"overallStatus":80,"whyStopped":25,"lastUpdateSubmitDate":81,"lastUpdatePostDateStruct":82,"startDateStruct":85,"completionDateStruct":87,"leadSponsor":89,"locationsCount":90},{"fullName":5,"class":6},"University of Jordan","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Graded monolithic Zirconia Crowns","EXPERIMENTAL","3Y-TZP\u002F5Y-TZP zirconia crown",[13],"Other: Graded Zirconia Crown",{"label":15,"type":16,"description":17,"interventionNames":18},"Conventional monolithic Zirconia Crowns","ACTIVE_COMPARATOR","3Y-TZP zirconia crowns",[19],"Other: Conventional Zirconia Crown",[21,26],{"type":6,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"Graded Zirconia Crown","monolithic implant supported crown",[9],null,{"type":6,"name":27,"description":23,"armGroupLabels":28,"otherNames":25},"Conventional Zirconia Crown",[15],[30],{"name":31,"affiliation":5,"role":32},"Susan Hattar, Professor","PRINCIPAL_INVESTIGATOR",[34],{"name":31,"role":35,"phone":36,"phoneExt":25,"email":37},"CONTACT","962795642613","s.hattar@ju.edu.jo",[39],{"facility":40,"status":25,"city":41,"state":25,"zip":42,"country":43,"countryCode":44,"cosmosGeoPoint":45,"geoPoint":50,"contacts":25},"The university ofJordan","Amman","11181","Jordan","JO",{"type":46,"coordinates":47},"Point",[48,49],35.94503,31.95522,{"lat":49,"lon":48},{"type":32,"investigatorFullName":52,"investigatorTitle":53,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"Susan Hattar","Professor","100548179",false,"NCT06417632","Prosthetic Outcomes and Clinical Performance of Implant Supported Zirconia Crowns","Prosthetic Outcomes and Clinical Performance of Two Types of Monolithic Zirconia-based Screw-retained Crowns. A Randomized Clinical Trial","Inclusion Criteria:\n\n* Partially edentulous area with suitable restorative space more than 5.5 mm\n* At least 18 years of age\n* Opposing natural teeth or fixed restorations supported by teeth or implants.\n* Generally good health (ASA I, ASA II)\n* Participant complies with good oral hygiene practices (BOP and PI less than 20%)\n* Healthy integrated implant\u002Fs without signs of periimplantitis in the posterior site planned for single tooth replacement (in premolar or molar areas)\n* Patients received bone-level implants, RC Straumann Implants.\n\nExclusion Criteria:\n\n* Inability to provide consent.\n* Temporomandibular disorders\n* Smoking of more than 10 cigarettes per day\n* Untreated caries or periodontal disease of remaining dentition",true,"ALL","18 Years","60 Years",{"count":65,"type":66},40,"ESTIMATED","INTERVENTIONAL",[69],"NA","To compare biological, technical, radiographic, and patient-reported outcomes of two types of monolithic zirconia crowns screw-retained to implant.\n\nTo assess whether the new form of multilayered zirconia crowns will show similar survival and success rate to conventional monolithic Zirconia screw-retained to implants in molar and premolar regions.\n\nFirst Null Hypothesis: Multilayered monolithic zirconia crowns would have similar survival, success rate compared to conventional monolithic zirconia implant supported crowns.\n\nSecond Null hypothesis: There would be no difference in clinical and patients related outcomes between multilayered and conventional monolithic zirconia implant supported crowns.",[72,73],"Dental Restoration","Dental Implant",[75,76,77,78,79],"implant-supported","patient-reported outcome,","technical, biological outcomes","survival\u002Fsuccess rate","single-tooth restorations","NOT_YET_RECRUITING","2025-03-26",{"date":83,"type":84},"2025-04-01","ACTUAL",{"date":86,"type":66},"2025-08",{"date":88,"type":66},"2026-11",{"name":5,"class":6},1]