[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100560773":3},{"organization":4,"armGroups":7,"interventions":23,"overallOfficials":29,"centralContacts":34,"locations":44,"responsibleParty":75,"collaborators":29,"id":78,"slug":79,"hasResults":80,"nctId":81,"briefTitle":82,"officialTitle":83,"acronym":29,"eligibilityCriteria":84,"healthyVolunteers":85,"sex":86,"minAge":87,"maxAge":88,"enrollmentInfo":89,"targetDuration":29,"studyType":92,"phases":93,"briefSummary":95,"conditions":96,"keywords":98,"overallStatus":47,"whyStopped":29,"lastUpdateSubmitDate":101,"lastUpdatePostDateStruct":102,"startDateStruct":105,"completionDateStruct":107,"leadSponsor":109,"locationsCount":110},{"fullName":5,"class":6},"British University In Egypt","OTHER",[8,14,18],{"label":9,"type":10,"description":11,"interventionNames":12},"Custom-Made Zirconia crowns","EXPERIMENTAL","CAD\u002FCAM zirconia crown customized for each patient",[13],"Procedure: esthetic dental crowns",{"label":15,"type":10,"description":16,"interventionNames":17},"3D Printed Resin Crowns","Printed resin crowns customized for each patient",[13],{"label":19,"type":10,"description":20,"interventionNames":21},"Ready-Made Zirconia Crowns","Nuu smile ready made zirconia crown",[22],"Procedure: control group",[24,30],{"type":25,"name":26,"description":27,"armGroupLabels":28,"otherNames":29},"PROCEDURE","esthetic dental crowns","Minimal Preparation of esthetic dental crown",[15,9],null,{"type":25,"name":31,"description":32,"armGroupLabels":33,"otherNames":29},"control group","Nuu smile ready-made zirconia crown with its well-known reduction",[19],[35,40],{"name":36,"role":37,"phone":38,"phoneExt":29,"email":39},"Fatemah usama","CONTACT","+201098781655","fatemah.usama@bue.edu.eg",{"name":41,"role":37,"phone":42,"phoneExt":29,"email":43},"Sara Magdy","+201006786219","sara.abdelhakiem@bue.edu.eg",[45,64],{"facility":46,"status":47,"city":48,"state":29,"zip":29,"country":49,"countryCode":50,"cosmosGeoPoint":51,"geoPoint":56,"contacts":57},"The British university in Egypt","RECRUITING","Cairo","Egypt","EG",{"type":52,"coordinates":53},"Point",[54,55],31.24967,30.06263,{"lat":55,"lon":54},[58,60,62],{"name":36,"role":37,"phone":59,"phoneExt":29,"email":39},"01098781655",{"name":41,"role":37,"phone":61,"phoneExt":29,"email":43},"01006786219",{"name":36,"role":63,"phone":29,"phoneExt":29,"email":29},"PRINCIPAL_INVESTIGATOR",{"facility":46,"status":47,"city":48,"state":29,"zip":29,"country":49,"countryCode":50,"cosmosGeoPoint":65,"geoPoint":67,"contacts":68},{"type":52,"coordinates":66},[54,55],{"lat":55,"lon":54},[69,73],{"name":70,"role":37,"phone":71,"phoneExt":29,"email":72},"Noha Kabil, Professor","+201005131500","noha.kabil@bue.edu.eg",{"name":74,"role":63,"phone":29,"phoneExt":29,"email":29},"Fatemah Osama",{"type":63,"investigatorFullName":76,"investigatorTitle":77,"investigatorAffiliation":5,"oldNameTitle":29,"oldOrganization":29},"Fatema usama","Principal Investigator","100560773","custom-made-zirconia-crowns-and-3d-printed-resin-crowns-versus-ready-made-zirconia-crowns-in-primary-molars-100560773",false,"NCT06581510","Custom-Made Zirconia Crowns and 3D-Printed Resin Crowns Versus Ready-Made Zirconia Crowns in Primary Molars","Custom-Made Zirconia Crowns and 3D Printed Resin Crowns Versus Ready-Made Zirconia Crowns in Primary Molars: A Randomized Controlled Trial","Inclusion Criteria:\n\n* Healthy children within age range of 5-8 years old\n* Upper and lower primary second molars\n* Vital primary second molars\n* Cooperative children Frankl scale 3 (positive) and 4 (definitely positive)\n\nExclusion Criteria:\n\n* Radiographic radiolucency related to the furcation and periapical area or any evidence of root resorption\n* Deep bite\n* More than 2 walls lost due to caries\n* Presence of parafunctional habits",true,"ALL","5 Years","8 Years",{"count":90,"type":91},30,"ESTIMATED","INTERVENTIONAL",[94],"NA","The main problem introduced in this study is the aggressive reduction needed for ready-made zirconia crowns to be passively fitted. In addition, its relatively expensive cost and wear of the opposing tooth structure. In this study, different crown materials will be introduced, such as customized zirconia crowns and novel 3D printed resin crowns who may offer better adaptability and gingival health and are relatively cost effective. The proposed study will help in increasing studies of different crown materials for primary teeth",[97],"Dental Crowns",[99,100],"pediatric esthetic crowns","posterior esthetic crowns","2024-08-30",{"date":103,"type":104},"2024-09-03","ACTUAL",{"date":106,"type":104},"2024-02-25",{"date":108,"type":91},"2026-02-23",{"name":5,"class":6},2]