[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100636124":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":26,"centralContacts":36,"locations":10,"responsibleParty":42,"collaborators":10,"id":45,"slug":10,"hasResults":46,"nctId":47,"briefTitle":48,"officialTitle":49,"acronym":10,"eligibilityCriteria":50,"healthyVolunteers":46,"sex":51,"minAge":52,"maxAge":53,"enrollmentInfo":54,"targetDuration":10,"studyType":57,"phases":10,"briefSummary":48,"conditions":58,"keywords":10,"overallStatus":60,"whyStopped":10,"lastUpdateSubmitDate":61,"lastUpdatePostDateStruct":62,"startDateStruct":65,"completionDateStruct":67,"leadSponsor":69,"locationsCount":10},{"fullName":5,"class":6},"October University for Modern Sciences and Arts","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"intervention",null,"Screening using the OSA-18 (Obstructive Sleep Apnea-18) questionnaire",[13],"Other: Interventions",{"label":15,"type":10,"description":16,"interventionNames":17},"comparator","Patients without posterior crossbite, or Normative OSA-18 scores \u002F low-risk groups",[18],"Other: Comparator",[20,23],{"type":6,"name":21,"description":16,"armGroupLabels":22,"otherNames":10},"Comparator",[15],{"type":6,"name":24,"description":11,"armGroupLabels":25,"otherNames":10},"Interventions",[9],[27,31,34],{"name":28,"affiliation":29,"role":30},"Sally M Mosallam, Master Degree","MSA University","STUDY_DIRECTOR",{"name":32,"affiliation":29,"role":33},"Ahmed Ayman","PRINCIPAL_INVESTIGATOR",{"name":35,"affiliation":29,"role":33},"Mohamed Hesham",[37],{"name":38,"role":39,"phone":40,"phoneExt":10,"email":41},"Marwa A. Salmoon, Ph.D","CONTACT","01016555055","maasalmoon@msa.edu.eg",{"type":33,"investigatorFullName":43,"investigatorTitle":44,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Marwa Ahmed Salmoon","Lecturer","100636124",false,"NCT07561606","Correlation Between Posterior Crossbite and Risk of Obstructive Sleep Apnea","Correlation Between Posterior Crossbite and Risk of Obstructive Sleep Apnea: A Questionnaire-Based Analysis","Inclusion Criteria:\n\n* Children in mixed dentition stage aged 6-12 years\n* Presence of posterior crossbite\n\nExclusion Criteria:\n\n* Syndromic patients\n* Previous orthodontic treatment\n* Chronic respiratory or neurological disorders Matching criteria and allocation ratio","ALL","6 Years","12 Years",{"count":55,"type":56},420,"ESTIMATED","OBSERVATIONAL",[59],"Crossbite Teeth","NOT_YET_RECRUITING","2026-04-25",{"date":63,"type":64},"2026-05-01","ACTUAL",{"date":66,"type":56},"2026-04",{"date":68,"type":56},"2026-06",{"name":5,"class":6}]