Journal of the American Dental Association (1939) · 2017
Malocclusions in young children: Does breast-feeding really reduce the risk? A systematic review and meta-analysis.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод пока не подготовлен
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Doğramacı Esma J, Rossi-Fedele Giampiero, Dreyer Craig W
Аннотация
BACKGROUND: Researchers have purported that breast-feeding can decrease the risk of malocclusions. The authors studied the relationship of breast-feeding on malocclusions in young children by means of conducting a systematic review of association (etiology).
TYPES OF STUDIES REVIEWED: The authors used a 3-step search strategy, including electronic searches. They considered studies whose investigators included healthy children with primary dentition with a history of breast-feeding and in which the study investigators had assessed specific malocclusion outcomes to be eligible for inclusion in this review. The authors considered prospective and retrospective (longitudinal) studies, case-control studies, and analytical cross-sectional studies. Two of the authors, using standardized instruments, independently assessed the methodological quality and extracted data from the included studies. For situations for which there were a sufficient number of studies, the authors conducted meta-analyses using the random-effects model, supplemented with the fixed-effects model in situations for which statistical heterogeneity was 50% or less, assessed using the I2 statistic.
RESULTS: The authors identified 7 studies that were included in the review. They found that children who had breast-fed suboptimally had an increased risk of developing malocclusions and that a strong and significant association existed between a shorter duration of breast-feeding (less than 12 months) and the development of an anterior open bite (n = 1,875; risk ratio, 3.58; 95% confidence interval, 2.55 to 5.03; P < .00001) and a class II canine relationship (n = 1,203; risk ratio, 1.65; 95% confidence interval, 1.38 to 1.97; P < .00001).
CONCLUSIONS: Young children with a history of suboptimal breast-feeding have a higher prevalence and risk ratio for malocclusions. These children have an increased risk of developing a class II canine relationship, posterior crossbite, and anterior open bite.
PRACTICAL IMPLICATIONS: Dental health care professionals should continue to encourage and promote breast-feeding; however, patients should be aware that children still can develop malocclusions, despite having received optimal breast-feeding, owing to the multifactorial etiology of malocclusions.
TYPES OF STUDIES REVIEWED: The authors used a 3-step search strategy, including electronic searches. They considered studies whose investigators included healthy children with primary dentition with a history of breast-feeding and in which the study investigators had assessed specific malocclusion outcomes to be eligible for inclusion in this review. The authors considered prospective and retrospective (longitudinal) studies, case-control studies, and analytical cross-sectional studies. Two of the authors, using standardized instruments, independently assessed the methodological quality and extracted data from the included studies. For situations for which there were a sufficient number of studies, the authors conducted meta-analyses using the random-effects model, supplemented with the fixed-effects model in situations for which statistical heterogeneity was 50% or less, assessed using the I2 statistic.
RESULTS: The authors identified 7 studies that were included in the review. They found that children who had breast-fed suboptimally had an increased risk of developing malocclusions and that a strong and significant association existed between a shorter duration of breast-feeding (less than 12 months) and the development of an anterior open bite (n = 1,875; risk ratio, 3.58; 95% confidence interval, 2.55 to 5.03; P < .00001) and a class II canine relationship (n = 1,203; risk ratio, 1.65; 95% confidence interval, 1.38 to 1.97; P < .00001).
CONCLUSIONS: Young children with a history of suboptimal breast-feeding have a higher prevalence and risk ratio for malocclusions. These children have an increased risk of developing a class II canine relationship, posterior crossbite, and anterior open bite.
PRACTICAL IMPLICATIONS: Dental health care professionals should continue to encourage and promote breast-feeding; however, patients should be aware that children still can develop malocclusions, despite having received optimal breast-feeding, owing to the multifactorial etiology of malocclusions.