[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100599964":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":32,"centralContacts":36,"locations":45,"responsibleParty":75,"collaborators":26,"id":78,"slug":79,"hasResults":80,"nctId":81,"briefTitle":82,"officialTitle":83,"acronym":26,"eligibilityCriteria":84,"healthyVolunteers":80,"sex":85,"minAge":86,"maxAge":87,"enrollmentInfo":88,"targetDuration":26,"studyType":91,"phases":92,"briefSummary":94,"conditions":95,"keywords":99,"overallStatus":104,"whyStopped":26,"lastUpdateSubmitDate":105,"lastUpdatePostDateStruct":106,"startDateStruct":109,"completionDateStruct":111,"leadSponsor":113,"locationsCount":114},{"fullName":5,"class":6},"Universidad Autonoma de Baja California","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"3D-printed ceromer crown","EXPERIMENTAL","Group A: 3D-printed ceromer crown (Sculpture, Rodin Resins, La Brea, CA, USA)",[13],"Procedure: Personalized 3D-printed pediatric ceromer crown",{"label":15,"type":16,"description":17,"interventionNames":18},"Stainless steel crown","ACTIVE_COMPARATOR","Group B: Stainless steel crown (3M Espe, Saint Paul, MN, USA)",[19],"Device: Prefabricated stainless steel crown group",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"PROCEDURE","Personalized 3D-printed pediatric ceromer crown","After primary molar crown preparation, digital impression using intraoral scanner (i700, Medit, Seoul, South Korea), crown will be designed with CAD software (CliniCAD, medit, South Korea) and fabricated using a 3D printer, (Sonic mini 4k, Phrozen, Taipei, Taiwan). Crown will be cemented by passive seating using a self-adhesive dual cure cement (Beauticem, shofu, San Marcos, CA, USA)",[9],null,{"type":28,"name":29,"description":30,"armGroupLabels":31,"otherNames":26},"DEVICE","Prefabricated stainless steel crown group","Stainless steel crown application: After preparation of the tooth, the crown will be filled and cemented with type-1 glass ionomer cement (Ketac Cem easymix, 3M ESPE, Minnesota, USA)",[15],[33],{"name":34,"affiliation":5,"role":35},"Alan Velazquez, DDS, MPH","PRINCIPAL_INVESTIGATOR",[37,41],{"name":34,"role":38,"phone":39,"phoneExt":26,"email":40},"CONTACT","+526644622237","avelazquez81@uabc.edu.mx",{"name":42,"role":38,"phone":43,"phoneExt":26,"email":44},"Sibelli Olivieri, DDS, PhD","+5543999750266","sibelli.olivieri@uabc.edu.mx",[46],{"facility":47,"status":26,"city":48,"state":49,"zip":50,"country":51,"countryCode":52,"cosmosGeoPoint":53,"geoPoint":58,"contacts":59},"Facultad de Odontología","Tijuana","Estado de Baja California","22427","Mexico","MX",{"type":54,"coordinates":55},"Point",[56,57],-117.00371,32.5027,{"lat":57,"lon":56},[60,62,63,66,67,69,71,73],{"name":61,"role":38,"phone":26,"phoneExt":26,"email":26},"Patricia Preciado, DDS, MPH",{"name":34,"role":35,"phone":26,"phoneExt":26,"email":26},{"name":64,"role":65,"phone":26,"phoneExt":26,"email":26},"Sibelli Olivieri, PhD","SUB_INVESTIGATOR",{"name":61,"role":65,"phone":26,"phoneExt":26,"email":26},{"name":68,"role":65,"phone":26,"phoneExt":26,"email":26},"Andres Cartagena, PhD",{"name":70,"role":65,"phone":26,"phoneExt":26,"email":26},"Ana P Mendiola, DDS",{"name":72,"role":65,"phone":26,"phoneExt":26,"email":26},"Haydee Gomez-Llanos, PhD",{"name":74,"role":65,"phone":26,"phoneExt":26,"email":26},"Rick Ferguson, DDS",{"type":35,"investigatorFullName":76,"investigatorTitle":77,"investigatorAffiliation":5,"oldNameTitle":26,"oldOrganization":26},"Alan Velazquez","D.D.S., M.P.H.","100599964","3d-printed-ceromer-crowns-versus-stainless-steel-in-posterior-primary-molars-100599964",false,"NCT07091331","3D-printed Ceromer Crowns Versus Stainless Steel in Posterior Primary Molars","Clinical Evaluation of 3D-printed Ceromer Crowns Versus Stainless Steel in Posterior Primary Molars","Inclusion Criteria:\n\n* Children aged 4 to 9 years with at least 2 primary molars affected by deep occlusoproximal caries.\n* Teeth may require pulp therapy (pulpotomy or pulpectomy) and be suitable for full-coverage restoration.\n* Teeth must have an antagonist and be located in opposing hemiarches.\n* The affected primary molars must be expected to remain in the mouth for at least 12 months.\n* The child must be in general good health.\n* Parents or legal guardians must sign informed consent, and the child must provide assent.\n* Patient does not come to control appointment or does not want to continue research.\n\nExclusion Criteria:\n\n* Children with systemic diseases or medical conditions affecting oral health.\n* Uncooperative behavior (Frankl scale 3 or 4).\n* Temporomandibular joint disorders or parafunctional habits (e.g., bruxism).\n* Absence of antagonist or adjacent teeth in the selected quadrants.\n* Children on long-term medication.\n* Patient with allergy to local anesthetic, nickel or chromium.","ALL","4 Years","9 Years",{"count":89,"type":90},40,"ESTIMATED","INTERVENTIONAL",[93],"NA","The aim of the study is to compare preformed metal crowns and 3D-printed ceromer crowns in primary molars of 4-9 years old children. The main questions it aims to answer are:\n\n* How does 3D-printed ceromer crowns compare clincally to stainless steel crowns when restoring posterior molars?\n* What is the level of satisfaction of the patient with both materials?\n* What is the level of parental satisfaction with both materials?\n\nStudy methodology:\n\nThis study is a split-mouth clinical trial where participants will receive at least one of each materials in different quadrants of the mouth.",[96,97,98],"Caries, Dental","Caries; Dentin","Dental Caries in Children",[100,101,102,103],"Printing, Three-dimensional","Pediatric Dentistry","Tooth, Deciduous","Esthetics, Dental","NOT_YET_RECRUITING","2025-07-22",{"date":107,"type":108},"2025-07-29","ACTUAL",{"date":110,"type":90},"2025-07-30",{"date":112,"type":90},"2026-06-15",{"name":5,"class":6},1]