Association between breastfeeding duration, non-nutritive sucking habits and dental arch dimensions in deciduous dentition: A cross-sectional study

被引：30

作者：

Agarwal S.S. ^{[1
]}

Nehra K. ^{[1
]}

Sharma M. ^{[1
]}

Jayan B. ^{[1
]}

Poonia A. ^{[2
]}

Bhattal H. ^{[3
]}

机构：

[1] Division of Orthodontics and Dentofacial Orthopedics, Department of Dental Surgery, Armed Forces Medical College, Pune

[2] Army Dental Centre (R and R), New Delhi

[3] CMDC (CC), Pune

来源：

Progress in Orthodontics | / 15卷 / 1期

关键词：

Anterior open bite; Breastfeeding duration; Dental arch diameters; Non-nutritive sucking; Posterior crossbite;

D O I：

10.1186/s40510-014-0059-4

中图分类号：

学科分类号：

摘要：

Background: This cross-sectional retrospective study was conducted to determine association between breastfeeding duration, non-nutritive sucking habits, dental arch transverse diameters, posterior crossbite and anterior open bite in deciduous dentition.; Methods: 415 children (228 males and 187 females), 4 to 6 years old, from a mixed Indian population were clinically examined. Based on written questionnaire answered by parents, children were divided into two groups: group 1 (breastfed for <6 months (n = 158)) and group 2 (breastfed for ≥6 months (n = 257)). The associations were analysed using chi-square test (P < 0.05 taken as statistically significant). Odds ratio (OR) was calculated to determine the strength of associations tested. Multivariate logistic regression analysis was done for obtaining independent predictors of posterior crossbite and maxillary and mandibular IMD (Inter-molar distance) and ICD (Inter-canine distance).; Results: Non-nutritive sucking (NNS) was present in 15.18% children (20.3% in group 1 as compared to 12.1% in group 2 (P = 0.024)). The average ICD and IMD in maxilla and average IMD in mandible were significantly higher among group 2 as compared to group 1 (P < 0.01). In mandible, average ICD did not differ significantly between the two groups (P = 0.342). The distribution of anterior open bite did not differ significantly between the two groups (P = 0.865). The distribution of posterior crossbite was significantly different between the two groups (P = 0.001). OR assessment (OR = 1.852) revealed that group 1 had almost twofold higher prevalence of NNS habits than group 2. Multivariate logistic regression analysis revealed that the first group had independently fourfold increased risk of developing crossbite compared to the second group (OR = 4.3). Multivariate linear regression analysis also revealed that age and breastfeeding duration were the most significant determinants of ICD and IMD.; Conclusions: An increased prevalence of NNS in the first group suggests that NNS is a dominant variable in the association between breastfeeding duration and reduced intra-arch transverse diameters which leads to increased prevalence of posterior crossbites as seen in our study. Mandibular inter-canine width is however unaffected due to a lowered tongue posture seen in these children. © 2014 Agarwal et al.; licensee Springer

引用

页码：1 / 8

页数：7

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