Adriana Bezerra Limeira1, Carlos Menezes Aguiar2, Niedje Siqueira de Lima Bezerra3, Andréea Cruz Câmara1. 1. Department of Prosthetics and Oral and Facial Surgery, School of Dentistry, Federal University of Pernambuco, in Recife, Pernambuco, Brazil. 2. Department of Prosthetics and Oral and Facial Surgery, School of Dentistry, Federal University of Pernambuco, in Recife, Pernambuco, Brazil. cmaguiar.ufpe@yahoo.com.br. 3. Department of Clinical and Preventive Dentistry, School of Dentistry, Federal University of Pernambuco, Brazil; Institute of Integrative Medicine Professor Fernando Figueira, in Recife, Pernambuco, Brazil.
Abstract
PURPOSE: The purpose of this study was to evaluate the association between breast-feeding duration and the subsequent occurrence of posterior crossbite in Brazilian children. METHODS: A cross-sectional study was conducted involving 714 six- to nine-year-old children. A questionnaire was completed by mothers or guardians of the children concerning the length of time they were exclusively breast-fed and the breast-feeding duration. A clinical examination of each child was conducted to detect posterior crossbite. Data were analyzed using Pearson's chi-square test at a five percent significance level. RESULTS: There was a posterior crossbite prevalence of approximately 15 percent. There was no statistically significant association between posterior crossbite and age or gender ( P >.05). The prevalence of posterior crossbite was higher among children who were not breast-fed (28 percent) than among breast-fed children (13 percent). There was a significant association between posterior crossbite and the length of time that children were exclusively breast-fed and the breast-feeding duration ( P <.05 percent). CONCLUSION: The prevalence of posterior crossbite gradually decreased as exclusive breast-feeding duration increased, and there was a relationship between breast-feeding duration and the occurrence of posterior crossbite.
PURPOSE: The purpose of this study was to evaluate the association between breast-feeding duration and the subsequent occurrence of posterior crossbite in Brazilian children. METHODS: A cross-sectional study was conducted involving 714 six- to nine-year-old children. A questionnaire was completed by mothers or guardians of the children concerning the length of time they were exclusively breast-fed and the breast-feeding duration. A clinical examination of each child was conducted to detect posterior crossbite. Data were analyzed using Pearson's chi-square test at a five percent significance level. RESULTS: There was a posterior crossbite prevalence of approximately 15 percent. There was no statistically significant association between posterior crossbite and age or gender ( P >.05). The prevalence of posterior crossbite was higher among children who were not breast-fed (28 percent) than among breast-fed children (13 percent). There was a significant association between posterior crossbite and the length of time that children were exclusively breast-fed and the breast-feeding duration ( P <.05 percent). CONCLUSION: The prevalence of posterior crossbite gradually decreased as exclusive breast-feeding duration increased, and there was a relationship between breast-feeding duration and the occurrence of posterior crossbite.
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