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ORIGINAL ARTICLE
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Association of sleep disturbances and craniofacial characteristics in children with class ii malocclusion: An evaluative study


 Department of Pedodontics and Preventive Dentistry, A B Shetty Memorial Institute of Dental Sciences, Karnataka, India

Correspondence Address:
Vabitha Shetty,
Department of Pedodontics and Preventive Dentistry, A.B Shetty Memorial Institute of Dental Sciences, Deralakatte, Mangalore - 575 018, Karnataka
India
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijdr.IJDR_226_19

Background: Behaviour problems, poor academic performance and failure to thrive are some of the potential sequelae of sleep problems in children. Hence, there is a need to evaluate the prevalence of sleep problems and significant associations in children with skeletal class II malocclusion with mandibular retrognathism. Aims: This study aimed to determine associations if any between sleep practices and problems and craniofacial characteristics in children with skeletal class II malocclusion with mandibular deficiency. Settings and Design: A cross-sectional study was conducted among a group of children with skeletal class II malocclusion with mandibular retrognathism. Materials and Methods: Fifty children aged 8–14 years with skeletal class II with mandibular retrognathism and who required myofunctional therapy were selected. A validated sleep questionnaire assessed the sleep practices and problems. A detailed clinical examination including tonsils and evaluation for mouth breathing was performed. A lateral cephalogram recorded specific linear, angular variables as well as upper and lower pharyngeal airway space. Statistical Analysis: Descriptive statistics, frequency, and percentages were calculated, and the Chi-square test was used. Results: All children reported at least one sleep problem, with snoring reported by 76% of the children. Forty-two percent of the children showed a decreased upper airway, whereas 80% showed a decreased lower airway. Significant associations were seen between SN-MP and noisy breathing, upper airway, and snoring with a P value of 0.017. We also found significant associations between upper and lower airway and sleep positions with a P value of 0.021 and 0.005, respectively. Conclusion: All the children exhibited at least one sleep problem. There was a strong association of certain sleep practices and sleep problems with cephalometric variables.


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    -  Balraj K
    -  Shetty V
    -  Hegde A
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