[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100636124":3},{"organization":4,"outcomesModule":7,"designInfo":14,"detailedDescription":16,"studyPopulation":17,"armGroups":18,"interventions":29,"overallOfficials":36,"centralContacts":46,"locations":13,"responsibleParty":52,"collaborators":13,"id":55,"slug":13,"hasResults":56,"nctId":57,"briefTitle":58,"officialTitle":59,"acronym":13,"eligibilityCriteria":60,"healthyVolunteers":56,"sex":61,"minAge":62,"maxAge":63,"enrollmentInfo":64,"targetDuration":13,"studyType":67,"phases":13,"briefSummary":58,"conditions":68,"keywords":13,"overallStatus":70,"whyStopped":13,"lastUpdateSubmitDate":71,"lastUpdatePostDateStruct":72,"startDateStruct":75,"completionDateStruct":77,"leadSponsor":79,"locationsCount":13},{"fullName":5,"class":6},"October University for Modern Sciences and Arts","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":13},[9],{"measure":10,"description":11,"timeFrame":12},"Risk or presence of obstructive sleep apnea (OSA) based on OSA-18 scores","questionnaire","2 months",null,{"allocation":13,"interventionModel":13,"interventionModelDescription":13,"primaryPurpose":13,"observationalModel":6,"timePerspective":15,"maskingInfo":13},"RETROSPECTIVE","Understanding the correlation between posterior crossbite and OSA risk is essential for early detection and prevention. Pediatric dentists and orthodontists are uniquely positioned to identify craniofacial risk factors and initiate early intervention.\n\nScreening tools such as OSA-18 can help identify children at risk and facilitate timely referral for multidisciplinary management. Furthermore, evaluating this association will contribute to improving clinical decision-making and patient outcomes.\n\nAim of study:\n\nTo assess the correlation between posterior crossbite and the risk of obstructive sleep apnea in children using the OSA-18 questionnaire.","Children with posterior crossbite Patients without posterior crossbite, or Normative OSA-18 scores \u002F low-risk groups",[19,24],{"label":20,"type":13,"description":21,"interventionNames":22},"intervention","Screening using the OSA-18 (Obstructive Sleep Apnea-18) questionnaire",[23],"Other: Interventions",{"label":25,"type":13,"description":26,"interventionNames":27},"comparator","Patients without posterior crossbite, or Normative OSA-18 scores \u002F low-risk groups",[28],"Other: Comparator",[30,33],{"type":6,"name":31,"description":26,"armGroupLabels":32,"otherNames":13},"Comparator",[25],{"type":6,"name":34,"description":21,"armGroupLabels":35,"otherNames":13},"Interventions",[20],[37,41,44],{"name":38,"affiliation":39,"role":40},"Sally M Mosallam, Master Degree","MSA University","STUDY_DIRECTOR",{"name":42,"affiliation":39,"role":43},"Ahmed Ayman","PRINCIPAL_INVESTIGATOR",{"name":45,"affiliation":39,"role":43},"Mohamed Hesham",[47],{"name":48,"role":49,"phone":50,"phoneExt":13,"email":51},"Marwa A. Salmoon, Ph.D","CONTACT","01016555055","maasalmoon@msa.edu.eg",{"type":43,"investigatorFullName":53,"investigatorTitle":54,"investigatorAffiliation":5,"oldNameTitle":13,"oldOrganization":13},"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":65,"type":66},420,"ESTIMATED","OBSERVATIONAL",[69],"Crossbite Teeth","NOT_YET_RECRUITING","2026-04-25",{"date":73,"type":74},"2026-05-01","ACTUAL",{"date":76,"type":66},"2026-04",{"date":78,"type":66},"2026-06",{"name":5,"class":6}]