[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100633214":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":31,"centralContacts":35,"locations":45,"responsibleParty":58,"collaborators":26,"id":61,"slug":62,"hasResults":63,"nctId":64,"briefTitle":65,"officialTitle":66,"acronym":67,"eligibilityCriteria":68,"healthyVolunteers":63,"sex":69,"minAge":70,"maxAge":71,"enrollmentInfo":72,"targetDuration":26,"studyType":75,"phases":76,"briefSummary":78,"conditions":79,"keywords":83,"overallStatus":87,"whyStopped":26,"lastUpdateSubmitDate":88,"lastUpdatePostDateStruct":89,"startDateStruct":92,"completionDateStruct":94,"leadSponsor":96,"locationsCount":97},{"fullName":5,"class":6},"Cairo University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Bioflx Crown Group","EXPERIMENTAL","Participants in this arm will receive Bioflx crowns after pulp therapy of primary molars. Crown placement will follow the study protocol, and outcomes including vertical dimension, mean biting force, and parental satisfaction will be assessed during follow-up.",[13],"Device: Bioflx Crown",{"label":15,"type":16,"description":17,"interventionNames":18},"Stainless Steel Crown Group","ACTIVE_COMPARATOR","Participants in this arm will receive stainless steel crowns after pulp therapy of primary molars. Crown placement will follow the study protocol, and outcomes including vertical dimension, mean biting force, and parental satisfaction will be assessed during follow-up.",[19],"Device: Stainless Steel Crown",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"DEVICE","Bioflx Crown","Aesthetic full-coverage pediatric crown used after pulp therapy of primary molars. The Bioflx crown will be selected according to tooth size, adapted following the study protocol, and cemented with resin-modified glass ionomer cement.",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Stainless Steel Crown","Preformed stainless steel full-coverage pediatric crown used after pulp therapy of primary molars. The stainless steel crown will be selected according to tooth size, adapted following the study protocol, and cemented with resin-modified glass ionomer cement",[15],[32],{"name":33,"affiliation":5,"role":34},"Osama A El shahawy, PHD","PRINCIPAL_INVESTIGATOR",[36,41],{"name":37,"role":38,"phone":39,"phoneExt":26,"email":40},"Eman A Hassan, BDS","CONTACT","0122931023","eman.hassan@dentistry.cu.edu.eg",{"name":42,"role":38,"phone":43,"phoneExt":26,"email":44},"Osama A El Shahawy, PHD","01005634755","osama.shahawy@dentistry.cuedu.eg",[46],{"facility":5,"status":26,"city":47,"state":48,"zip":49,"country":50,"countryCode":51,"cosmosGeoPoint":52,"geoPoint":57,"contacts":26},"Cairo","Giza\u002FEgypt","12613","Egypt","EG",{"type":53,"coordinates":54},"Point",[55,56],31.24967,30.06263,{"lat":56,"lon":55},{"type":34,"investigatorFullName":59,"investigatorTitle":60,"investigatorAffiliation":5,"oldNameTitle":26,"oldOrganization":26},"Eman Adel Osman Hassan","Master's Degree Candidate, Pediatric Dentistry, Faculty of Dentistry, Cairo University","100633214","vertical-dimension-changes-after-bioflx-vs-stainless-steel-crowns-in-primary-molars-100633214",false,"NCT07523776","Vertical Dimension Changes After Bioflx vs Stainless Steel Crowns in Primary Molars","Vertical Dimension Changes and Mean Biting Force Following Bioflx Placement Over Pulp-treated Primary Molars Versus Stainless Steel Crowns: A Randomized Controlled Trial.","BIOFLX-SSC-RCT","Inclusion Criteria:\n\n* Pulp-treated primary molars (pulpotomy)\n\n  * Asymptomatic teeth after pulp therapy with no signs of infection, mobility, or radiographic pathology, such as internal resorption or periapical lesions\n  * Age 6 years to 9 years\n  * Male or female\n  * Cooperative child with positive Frankl behavior rating\n  * No missing teeth\n  * Normal occlusion, including normal overjet and overbite\n  * Free from systemic disease to allow continuity of follow-up\n\nExclusion Criteria:\n\n* Medically compromised or uncooperative children\n\n  * Tooth indicated for extraction because of root resorption, teeth near exfoliation, or deep subgingival caries that prevents proper coronal seal\n  * Teeth with more than two-thirds root resorption\n  * Previous pulp therapy\n  * Parafunctional habits, including bruxism, thumb-sucking, or other habits that may affect occlusal force measurements\n  * Inability to attend follow-up visits or parental refusal to participate","ALL","6 Years","9 Years",{"count":73,"type":74},18,"ESTIMATED","INTERVENTIONAL",[77],"NA","this randomized controlled trial will compare Bioflx crowns and stainless-steel crowns in children with pulp-treated primary molars. The study will evaluate changes in vertical dimension and mean biting force after crown placement and will also assess parental satisfaction with esthetics and treatment impact. Eligible children aged 6 to 9 years will be randomly assigned in a 1:1 ratio to receive either a Bioflx crown or a stainless-steel crown. Measurements will be taken at baseline, immediately after crown placement, at 1 week, and at 4 weeks.",[80,81,82],"Early Childhood Caries","Dental Caries","Pulp-Treated Primary Molars",[23,28,84,85,86],"Pulpotomy","Pediatric Dentistry","T-Scan","NOT_YET_RECRUITING","2026-04-06",{"date":90,"type":91},"2026-04-13","ACTUAL",{"date":93,"type":74},"2026-04",{"date":95,"type":74},"2026-08",{"name":5,"class":6},1]