[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100493640":3},{"organization":4,"armGroups":7,"interventions":25,"overallOfficials":38,"centralContacts":45,"locations":52,"responsibleParty":82,"collaborators":84,"id":88,"slug":89,"hasResults":90,"nctId":91,"briefTitle":92,"officialTitle":93,"acronym":35,"eligibilityCriteria":94,"healthyVolunteers":90,"sex":95,"minAge":96,"maxAge":97,"enrollmentInfo":98,"targetDuration":35,"studyType":101,"phases":102,"briefSummary":104,"conditions":105,"keywords":107,"overallStatus":55,"whyStopped":35,"lastUpdateSubmitDate":113,"lastUpdatePostDateStruct":114,"startDateStruct":117,"completionDateStruct":119,"leadSponsor":121,"locationsCount":122},{"fullName":5,"class":6},"Universidad Complutense de Madrid","OTHER",[8,14,20],{"label":9,"type":10,"description":11,"interventionNames":12},"Resin-matrix ceramic","EXPERIMENTAL","To assess the survival and clinical performance of resin-matrix posterior crows in a complete digital flow",[13],"Procedure: Resin-matrix",{"label":15,"type":16,"description":17,"interventionNames":18},"Monolithic zirconia","ACTIVE_COMPARATOR","To assess the survival and clinical performance of monolithic zirconia posterior crows in a complete digital flow",[19],"Procedure: Monolithic zirconia",{"label":21,"type":16,"description":22,"interventionNames":23},"Metal-ceramic","To assess the survival and clinical performance of metal-ceramic posterior crows in a complete digital flow",[24],"Procedure: Metal-ceramic",[26,33,36],{"type":27,"name":28,"description":29,"armGroupLabels":30,"otherNames":31},"PROCEDURE","Resin-matrix","posterior crowns",[9],[32],"VarseoSmile crown",{"type":27,"name":15,"description":29,"armGroupLabels":34,"otherNames":35},[15],null,{"type":27,"name":21,"description":29,"armGroupLabels":37,"otherNames":35},[21],[39,43],{"name":40,"affiliation":41,"role":42},"MARIA JESUS SUAREZ, PhD","UNIVERSITY COMPLUTENSE OF MADRID","PRINCIPAL_INVESTIGATOR",{"name":44,"affiliation":41,"role":42},"JESUS PELAEZ, PhD",[46,50],{"name":40,"role":47,"phone":48,"phoneExt":35,"email":49},"CONTACT","0034 913942029","mjsuarez@ucm.es",{"name":44,"role":47,"phone":48,"phoneExt":35,"email":51},"jpelaezr@ucm.es",[53],{"facility":54,"status":55,"city":56,"state":35,"zip":57,"country":58,"countryCode":59,"cosmosGeoPoint":60,"geoPoint":65,"contacts":66},"Faculty of Odontology","RECRUITING","Madrid","28040","Spain","ES",{"type":61,"coordinates":62},"Point",[63,64],-3.70256,40.4165,{"lat":64,"lon":63},[67,68,69,72,74,76,78,80],{"name":40,"role":47,"phone":48,"phoneExt":35,"email":49},{"name":44,"role":47,"phone":48,"phoneExt":35,"email":51},{"name":70,"role":71,"phone":35,"phoneExt":35,"email":35},"BENJAMIN SERRANO, PhD","SUB_INVESTIGATOR",{"name":73,"role":71,"phone":35,"phoneExt":35,"email":35},"ESTHER GONZALO, PhD",{"name":75,"role":71,"phone":35,"phoneExt":35,"email":35},"CARLOS LOPEZ-SUAREZ, PhD",{"name":77,"role":71,"phone":35,"phoneExt":35,"email":35},"VERONICA RODRIGUEZ, PhD",{"name":79,"role":71,"phone":35,"phoneExt":35,"email":35},"CELIA TOBAR, PhD",{"name":81,"role":71,"phone":35,"phoneExt":35,"email":35},"JORGE ARELLANO, Bachelor",{"type":83,"investigatorFullName":35,"investigatorTitle":35,"investigatorAffiliation":35,"oldNameTitle":35,"oldOrganization":35},"SPONSOR",[85],{"name":86,"class":87},"BEGO GmbH","UNKNOWN","100493640","clinical-evaluation-of-resin-matrix-ceramic-posterior-crowns-100493640",false,"NCT05707780","Clinical Evaluation of Resin Matrix Ceramic Posterior Crowns","Clinical Evaluation of Resin Matrix Ceramic and Zirconia Posterior Crowns","Inclusion Criteria:\n\n* One posterior tooth (molar or premolar) to be crowned,\n* Vital abutments or abutments with sufficient endodontic treatment\n* Abutment not crowned previously\n* Periodontally healthy abutments with no signs of bone resorption or periapical disease --\n* Adequate occlusogingival height\n* Stable occlusion, and the presence of natural dentition in the antagonist arch.\n\nExclusion Criteria:\n\n* Patients who present reduced crown length (less than 3 mm occlusogingival height\n* Poor oral hygiene, high caries activity, active periodontal disease or bruxism.","ALL","20 Years","80 Years",{"count":99,"type":100},90,"ESTIMATED","INTERVENTIONAL",[103],"NA","The objectives of the present prospective randomized clinical study are to evaluate and to compare the survival and success rates, possible biological and technical complications, and the clinical performance of metal-ceramic, monolithic zirconia and resin-matrix posterior crowns.\n\nThe null hypothesis is that no differences would be found between the parameters studied for each type of restoration.",[106],"Dental Materials",[108,109,110,111,112],"crowns","monolithic zirconia","resin matrix ceramic","clinical evaluation","survival","2023-01-22",{"date":115,"type":116},"2023-02-01","ACTUAL",{"date":118,"type":100},"2023-01-25",{"date":120,"type":100},"2026-10-30",{"name":5,"class":6},1]