[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100622410":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":24,"centralContacts":27,"locations":24,"responsibleParty":33,"collaborators":37,"id":41,"slug":42,"hasResults":43,"nctId":44,"briefTitle":45,"officialTitle":46,"acronym":24,"eligibilityCriteria":47,"healthyVolunteers":43,"sex":48,"minAge":24,"maxAge":49,"enrollmentInfo":50,"targetDuration":24,"studyType":53,"phases":54,"briefSummary":56,"conditions":57,"keywords":59,"overallStatus":67,"whyStopped":24,"lastUpdateSubmitDate":68,"lastUpdatePostDateStruct":69,"startDateStruct":72,"completionDateStruct":74,"leadSponsor":76,"locationsCount":24},{"fullName":5,"class":6},"Universidad Complutense de Madrid","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Tooth-Borne Expander with Facemask (FM)","ACTIVE_COMPARATOR","Bonded acrylic splint-type Hyrax expander with hooks in the maxillary canine region. Expansion activated once daily (0.25 mm). Facemask therapy initiated two weeks after expansion onset with 400 g per side of elastic traction, directed approximately 30° downward relative to the occlusal plane, worn 14-16 hours per day.",[13],"Device: Tooth-Borne Expander with Facemask (FM)",{"label":15,"type":16,"description":17,"interventionNames":18},"Hybrid Skeletal Anchorage Expander with Chin-Plate (SA)","EXPERIMENTAL","Modified Hybrid Hyrax expander supported by first molars and anchored with miniscrews placed bilaterally in a paramedian position. Expansion activated once daily (0.25 mm). Mandibular chin-plates (bollard-type or single chin-plate depending on eruption stage) were surgically inserted, and Class III elastics delivering 400 g per side were applied following a progressive loading protocol.",[19],"Device: Hybrid Skeletal Anchorage Expander with Chin-Plate (SA)",[21,25],{"type":22,"name":9,"description":11,"armGroupLabels":23,"otherNames":24},"DEVICE",[9],null,{"type":22,"name":15,"description":17,"armGroupLabels":26,"otherNames":24},[15],[28],{"name":29,"role":30,"phone":31,"phoneExt":24,"email":32},"Beatriz Celis, Postdoc","CONTACT","+34 913941923","beatrizcelisgonzalez@gmail.com",{"type":34,"investigatorFullName":35,"investigatorTitle":36,"investigatorAffiliation":5,"oldNameTitle":24,"oldOrganization":24},"PRINCIPAL_INVESTIGATOR","Concepción Martín Alvaro","Full Professor",[38],{"name":39,"class":40},"Ortoestetic (https:\u002F\u002Fortoestetic.com)","UNKNOWN","100622410","comparison-of-maxillary-protraction-using-tooth-borne-facemask-versus-skeletal-anchorage-chin-plate-in-class-iii-growing-patients-100622410",false,"NCT07383259","Comparison of Maxillary Protraction Using Tooth-borne Facemask Versus Skeletal Anchorage Chin-plate in Class III Growing Patients","Skeletal and Dentoalveolar Effects of Tooth-borne Facemask Versus Skeletal Anchorage Chin-plate Maxillary Protraction in Growing Class III Patients.","Inclusion Criteria\n\n* Growing patients (CVS1-CVS3)\n* Patent midpalatal suture (stages A-C)\n* Skeletal Class III malocclusion (ANB \\\u003C 0°, Wits \\\u003C -2 mm)\n* Presence of anterior crossbite or edge-to-edge incisal relationship Exclusion Criteria\n* Severe craniofacial asymmetry\n* Evidence of active condylar growth\n* Previous orthodontic treatment\n* Craniofacial malformations or syndromes\n* Systemic diseases or medications affecting growth or bone metabolism","ALL","18 Years",{"count":51,"type":52},36,"ESTIMATED","INTERVENTIONAL",[55],"NA","This retrospective non-randomized controlled clinical trial aimed to compare the skeletal and dentoalveolar effects of two orthopedic treatment protocols for skeletal Class III malocclusion in growing patients: a conventional tooth-borne rapid maxillary expansion combined with facemask therapy, and a hybrid skeletal anchorage expander combined with chin-plate traction. Lateral cephalometric changes before and after maxillary protraction were analyzed to assess sagittal skeletal correction and dentoalveolar effects.",[58],"Skeletal Class III Malocclusion",[60,61,62,63,64,65,66],"Class III malocclusion","skeletal anchorage","face-mask","Palatal expander","tooth-borne rapid maxillary expander","hybrid skeletal anchorage expander","chin-plate","NOT_YET_RECRUITING","2026-01-28",{"date":70,"type":71},"2026-02-03","ACTUAL",{"date":73,"type":52},"2026-02",{"date":75,"type":52},"2027-03",{"name":5,"class":6}]