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Type: Journal article
Title: Exclusive breastfeeding and risk of dental malocclusion
Author: Peres, K.
Cascaes, A.
Peres, M.
Demarco, F.
Santos, I.
Matijasevich, A.
Barros, A.
Citation: Pediatrics, 2015; 136(1):e60-e67
Publisher: American Academy of Pediatrics
Issue Date: 2015
ISSN: 0031-4005
Statement of
Karen Glazer Peres, Andreia Morales Cascaes, Marco Aurelio Peres, Flavio Fernando Demarco, Iná Silva Santos, Alicia Matijasevich and Aluisio J.D. Barros
Abstract: OBJECTIVES: The distinct effect of exclusive and predominant breastfeeding on primary dentition malocclusions is still unclear. We hypothesized that exclusive breastfeeding presents a higher protective effect against malocclusions than predominant breastfeeding and that the use of a pacifier modifies the association between breastfeeding and primary dentition malocclusions. METHODS: An oral health study nested in a birth cohort study was conducted at age 5 years (N = 1303). The type of breastfeeding was recorded at birth and at 3, 12, and 24 months of age. Open bite (OB), crossbite, overjet (OJ), and moderate/severe malocclusion (MSM) were assessed. Poisson regression analyses were conducted by controlling for sociodemographic and anthropometric characteristics, sucking habits along the life course, dental caries, and dental treatment. RESULTS: Predominant breastfeeding was associated with a lower prevalence of OB, OJ, and MSM, but pacifier use modified these associations. The same findings were noted between exclusive breastfeeding and OJ and between exclusive breastfeeding and crossbite. A lower prevalence of OB was found among children exposed to exclusive breastfeeding from 3 to 5.9 months (33%) and up to 6 months (44%) of age. Those who were exclusively breastfed from 3 to 5.9 months and up to 6 months of age exhibited 41% and 72% lower prevalence of MSM, respectively, than those who were never breastfed. CONCLUSIONS: A common risk approach, promoting exclusive breastfeeding up to 6 months of age to prevent childhood diseases and disorders, should be an effective population strategy to prevent malocclusion.
Keywords: Humans
Retrospective Studies
Follow-Up Studies
Sucking Behavior
Breast Feeding
Child, Preschool
Rights: © 2015 by the American Academy of Pediatrics
DOI: 10.1542/peds.2014-3276
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Dentistry publications

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