Residents' journal review

The objective of this study was to determine if there was an association between obstructive sleep apnea (OSA) and malocclusion in children. The sample sizes were adequate with 139 participants with OSA (aged 2-10 years) and a control group of 137 healthy participants. Diagnosis of OSA was based on nighttime at-home pulse oximetry scores of 2-4 based on the McGill Oximetry method of assessment. One expert orthodontist described the malocclusions. Data collected included age, sex, body mass index (BMI), canine relationship, posterior crossbite, overbite, and overjet.

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