Objective: To evaluate associations between Mallampati and Brodsky classification and children’s risk for sleep related breathing disorder (SRBD). Study Design: This study recruited well-children 2–11 years old and legal guardians over 18 years from a community dental clinic. Modified Mallampati classification (IIV) and Brodsky grade (0–4) were classified by a single dentist. Guardians completed the validated 22-item pediatric sleep questionnaire (PSQ) to identify children at risk of SRBD. Associations between Mallampati and Brodsky classifications with risk for SRBD as defined by PSQ were determined by Chi-square, Kruskal-Wallis, and simple logistic regression models. Results: Of 150 children included (M=5.9 years), 76 (51%) female, 108 (72%) Latino/Hispanic, 82 (55%) were classified as Mallampati class I or II, 68 (45%) class III or IV, 119 (79%) were identified as Brodsky grade 0, 1, or 2, and 31 (21%) grade 3 or 4. Children with Mallampati class III and IV and Brodsky grade 3 and 4 collectively had a 5.24-fold and 2.8-fold increase in SRBD risk per PSQ compared to children with class I and II and grade 1 and 2, respectively. Conclusion: Mallampati classification may be a quick, non-invasive screening tool to improve identification and timely intervention for children at risk of SRBD.

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