Abstract
Abstract
Purpose
To investigate the impact of sleep on the development of early childhood caries (ECC).
Methods
Seven electronic databases and grey literature were searched with various keyword combinations. Two reviewers independently selected studies, extracted data, and assessed the risk of bias using the Newcastle–Ottawa Scale. The studies were included if they evaluated the impact of sleep parameters on the caries experience or severity of ECC in children under 6 years of age.
Results
Four cross-sectional studies and two longitudinal studies were included. Children who had irregular bedtimes had a 66–71% higher chance of developing ECC. Children who slept after 11 pm might have a 74–85% higher chance of developing ECC. Children who slept less than 8 h during the night had a 30% increased risk of caries than children who slept more than 11 h.
Conclusion
Irregular or late bedtime and fewer sleeping hours could be an independent risk factor for ECC. The risk of ECC might be related inversely in a dose–response manner to the number of sleep hours.
Publisher
Springer Science and Business Media LLC
Subject
Dentistry (miscellaneous),Pediatrics, Perinatology and Child Health
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