[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100649873":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":31,"centralContacts":36,"locations":41,"responsibleParty":58,"collaborators":26,"id":60,"slug":61,"hasResults":62,"nctId":63,"briefTitle":64,"officialTitle":65,"acronym":66,"eligibilityCriteria":67,"healthyVolunteers":62,"sex":68,"minAge":69,"maxAge":70,"enrollmentInfo":71,"targetDuration":26,"studyType":74,"phases":75,"briefSummary":77,"conditions":78,"keywords":80,"overallStatus":44,"whyStopped":26,"lastUpdateSubmitDate":82,"lastUpdatePostDateStruct":83,"startDateStruct":86,"completionDateStruct":88,"leadSponsor":90,"locationsCount":91},{"fullName":5,"class":6},"Mansoura University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"group 1: HYRAX with posterior bite turbos","EXPERIMENTAL","Participants in this arm receive a HYRAX rapid maxillary expansion appliance combined with posterior disarticulatory resin bite turbos. The bite turbos are placed on posterior teeth to achieve occlusal disclusion, aiming to minimize occlusal interference during expansion and potentially enhance skeletal response. The HYRAX expander is activated according to a standardized protocol throughout the treatment period, with regular follow-up using clinical assessment and weekly intraoral scans.",[13],"Device: Intervention 1: HYRAX expander with posterior disarticulatory resin bite turbos",{"label":15,"type":16,"description":17,"interventionNames":18},"Group 2 : Expansion without posterior bite turbos","ACTIVE_COMPARATOR","Participants in this arm receive a HYRAX rapid maxillary expansion appliance without the use of posterior disarticulatory resin bite turbos. The appliance is activated according to a standardized expansion protocol similar to the experimental group. Patients are followed throughout the treatment period with regular clinical assessments and weekly intraoral scans to monitor changes in maxillary dimensions.",[19],"Device: Intervention 2 (Control): HYRAX expander alone",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"DEVICE","Intervention 1: HYRAX expander with posterior disarticulatory resin bite turbos","Description:\n\nArm 1:\n\nParticipants in this group receive a HYRAX rapid maxillary expansion appliance combined with posterior disarticulatory resin bite turbos. The bite turbos are placed on the posterior teeth to disclude the occlusion, aiming to reduce occlusal interference and potentially enhance skeletal response during maxillary expansion. The HYRAX appliance is activated according to a standardized expansion protocol.",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Intervention 2 (Control): HYRAX expander alone","Participants in this group receive a HYRAX rapid maxillary expansion appliance alone without the use of posterior bite turbos. The appliance is activated following the same standardized expansion protocol as the intervention group.",[15],[32],{"name":33,"affiliation":34,"role":35},"Donia Alashker","Faculty of Dentistry Mansoura University","PRINCIPAL_INVESTIGATOR",[37],{"name":33,"role":38,"phone":39,"phoneExt":26,"email":40},"CONTACT","00201557372170","donyaalashker7@mans.edu.eg",[42],{"facility":43,"status":44,"city":45,"state":26,"zip":26,"country":46,"countryCode":47,"cosmosGeoPoint":48,"geoPoint":53,"contacts":54},"Orthodontic Department - Faculty of Dentistry Mansoura University","RECRUITING","Al Mansurah","Egypt","EG",{"type":49,"coordinates":50},"Point",[51,52],31.38069,31.03637,{"lat":52,"lon":51},[55],{"name":34,"role":38,"phone":56,"phoneExt":26,"email":57},"0020502267151","dentfac@mansoura.edu.eg",{"type":59,"investigatorFullName":26,"investigatorTitle":26,"investigatorAffiliation":26,"oldNameTitle":26,"oldOrganization":26},"SPONSOR","100649873","posterior-resin-bite-turbos-effect-on-maxillary-expansion-using-a-hyrax-expander-in-early-adolescents-100649873",false,"NCT07739498","Posterior Resin Bite Turbos Effect on Maxillary Expansion Using a HYRAX Expander in Early Adolescents","Effect of Posterior Disarticulatory Resin Bite Turbos on the Rate of Maxillary Expansion Using HYRAX Expander in Early Adolescent Patients: Randomized Controlled Clinical Trial","HYRAX_ RME_SME","Inclusion Criteria:\n\n1. Patients aged 10-14 years.\n2. Bilateral posterior cross bite.\n3. Functional lateral cross bite.\n4. Good general and oral health.\n5. Normal to decreased vertical height )average FMA 29.7 °± 4.2 °).23\n\nExclusion Criteria:\n\n1. Patients with cleft lip and palate.\n2. Severe facial asymmetry.\n3. Anterior open bite.\n4. Systemic conditions affecting tooth movement (e.g., diabetes, bone disorders).\n5. Previous orthodontic treatment.","ALL","10 Years","14 Years",{"count":72,"type":73},22,"ESTIMATED","INTERVENTIONAL",[76],"NA","This randomized controlled clinical trial aims to evaluate the effect of posterior disarticulatory resin bite turbos on the rate of maxillary expansion using a HYRAX expander in early adolescent patients. Participants will be randomly assigned to receive either maxillary expansion with posterior resin bite turbos or conventional expansion without bite turbos. The study will assess and compare the rate and effectiveness of maxillary expansion between the two groups during the treatment period. Clinical measurements will be recorded to evaluate skeletal and dental changes associated with the intervention.",[79],"Maxillary Transverse Deficiency (Posterior Crossbite) in Early Adolescent Patients",[81],"Maxillary transverse deficiency - Rapid maxillary expansion - HYRAX expander - Bite turbos - Orthodontics - Intraoral scanning - RCT","2026-08-13",{"date":84,"type":85},"2026-08-17","ACTUAL",{"date":87,"type":85},"2026-02-15",{"date":89,"type":73},"2027-06",{"name":5,"class":6},1]