[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100554264":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":31,"centralContacts":42,"locations":50,"responsibleParty":66,"collaborators":26,"id":68,"slug":69,"hasResults":70,"nctId":71,"briefTitle":72,"officialTitle":73,"acronym":26,"eligibilityCriteria":74,"healthyVolunteers":70,"sex":75,"minAge":76,"maxAge":77,"enrollmentInfo":78,"targetDuration":26,"studyType":81,"phases":82,"briefSummary":84,"conditions":85,"keywords":26,"overallStatus":53,"whyStopped":26,"lastUpdateSubmitDate":88,"lastUpdatePostDateStruct":89,"startDateStruct":92,"completionDateStruct":94,"leadSponsor":96,"locationsCount":97},{"fullName":5,"class":6},"Damascus University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Biologically-oriented preparation technique (BOPT)","EXPERIMENTAL","Patients in this group will undergo the biologically-oriented preparation technique.",[13],"Procedure: Biologically-oriented preparation technique",{"label":15,"type":16,"description":17,"interventionNames":18},"Conventional preparation","ACTIVE_COMPARATOR","Patients in this group will undergo the convention preparation technique.",[19],"Procedure: Conventional method of preparation",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"PROCEDURE","Biologically-oriented preparation technique","The preparation will be made according to the new principles of biologically oriented technique to receive monolithic and bi-layered all-ceramic crowns.",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Conventional method of preparation","Teeth prepared with shoulder margins to receive monolithic and bi-layered all-ceramic crowns",[15],[32,36,39],{"name":33,"affiliation":34,"role":35},"Abeer Aljareh, DDS MSc","Department of Fixed Prosthodontics, Faculty of Dentistry, Damascus University, Damascus, Syria","PRINCIPAL_INVESTIGATOR",{"name":37,"affiliation":34,"role":38},"Nabil Alhouri, DDS MSc PhD","STUDY_DIRECTOR",{"name":40,"affiliation":41,"role":38},"Mohanad Kadhim, DDS MSc PhD","Department of Periodontology, Faculty of Dentistry, Iraq.",[43,47],{"name":33,"role":44,"phone":45,"phoneExt":26,"email":46},"CONTACT","00963967873566","abeer12.jareh@damascusuniversity.edu.sy",{"name":37,"role":44,"phone":48,"phoneExt":26,"email":49},"00963944597722","nabil.alhouri@damascusuniversity.edu.sy",[51],{"facility":52,"status":53,"city":54,"state":26,"zip":55,"country":56,"countryCode":26,"cosmosGeoPoint":57,"geoPoint":62,"contacts":63},"Department of Fixed Prosthodontics, University of Damascus Dental School, Damascus, Syria","RECRUITING","Damascus","DM20AM18","Syria",{"type":58,"coordinates":59},"Point",[60,61],36.29128,33.5102,{"lat":61,"lon":60},[64,65],{"name":37,"role":44,"phone":48,"phoneExt":26,"email":49},{"name":33,"role":35,"phone":26,"phoneExt":26,"email":26},{"type":67,"investigatorFullName":26,"investigatorTitle":26,"investigatorAffiliation":26,"oldNameTitle":26,"oldOrganization":26},"SPONSOR","100554264","clinical-outcomes-of-biologically-oriented-preparation-technique-100554264",false,"NCT06496828","Clinical Outcomes of Biologically Oriented Preparation Technique","Clinical Performance of All-Ceramic Crowns on Teeth Prepared With Biologically Oriented Preparation Technique Compared to Horizontal Preparation","Inclusion Criteria:\n\n* Patients older than 18.\n* Two teeth at least needed to be restored with full crowns (each patient needs at least two single crowns).\n* Stable occlusion.\n* Good oral hygiene.\n* Periodontally healthy teeth.\n* Nonsmoking or smoking less than ten cigarettes\u002Fday.\n* Probing depth between 1 and 3 mm.\n\nExclusion Criteria:\n\n* Patients younger than 18.\n* Parafunctional habits.\n* Active periodontal disease.\n* Poor oral hygiene.\n* Systemic disease that may affect the periodontal health.\n* Pregnancy.\n* Radiation or chemotherapy.\n* Treatment by Bisphosphonates medication.\n* Patients who are unable or unwilling to attend follow-up visits","ALL","19 Years","80 Years",{"count":79,"type":80},60,"ESTIMATED","INTERVENTIONAL",[83],"NA","This study aims to evaluate the periodontal response of teeth prepared with a biologically oriented preparation technique (BOPT) compared to conventional preparation for all-ceramic crowns.",[86,87],"Crowns","Tooth Preparation","2025-08-19",{"date":90,"type":91},"2025-08-21","ACTUAL",{"date":93,"type":91},"2024-04-30",{"date":95,"type":80},"2027-12-30",{"name":5,"class":6},1]