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      Body mass index and dental caries in children and adolescents: a systematic review of literature published 2004 to 2011

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          Abstract

          The objective

          The authors undertook an updated systematic review of the relationship between body mass index and dental caries in children and adolescents.

          Method

          The authors searched Medline, ISI, Cochrane, Scopus, Global Health and CINAHL databases and conducted lateral searches from reference lists for papers published from 2004 to 2011, inclusive. All empirical papers that tested associations between body mass index and dental caries in child and adolescent populations (aged 0 to 18 years) were included.

          Results

          Dental caries is associated with both high and low body mass index.

          Conclusion

          A non-linear association between body mass index and dental caries may account for inconsistent findings in previous research. We recommend future research investigate the nature of the association between body mass index and dental caries in samples that include a full range of body mass index scores, and explore how factors such as socioeconomic status mediate the association between body mass index and dental caries.

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          Most cited references38

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          Preschooler obesity and parenting styles of mothers and fathers: Australian national population study.

          The purpose of this work was to determine relationships between BMI status at ages 4 to 5 years and mothers' and fathers' parenting dimensions and parenting styles. Participants were composed of all 4983 of the 4- to 5-year-old children in wave 1 of the nationally representative Longitudinal Study of Australian Children with complete BMI and maternal parenting data. Mothers and fathers self-reported their parenting behaviors on 3 multi-item continuous scales (warmth, control, and irritability) and were each categorized as having 1 of 4 parenting styles (authoritative, authoritarian, permissive, and disengaged) using internal warmth and control tertile cut points. Using a proportional odds model, odds ratios for children being in a higher BMI category were computed for mothers and fathers separately and together, after adjustment for factors associated with child BMI, including mothers' and fathers' BMI status. The sample was composed of 2537 boys and 2446 girls with a mean age 56.9 months; 15% were overweight and 5% were obese (International Obesity Task Force criteria). Mothers' parenting behaviors and styles were not associated in any model with higher odds of children being in a heavier BMI category, with or without multiple imputation to account for missing maternal BMI data. Higher father control scores were associated with lower odds of the child being in a higher BMI category. Compared with the reference authoritative style, children of fathers with permissive and disengaged parenting styles had higher odds of being in a higher BMI category. This article is the first, to our knowledge, to examine the parenting of both parents in relation to preschoolers' BMI status while also adjusting for parental BMI status. Fathers' but not mothers' parenting behaviors and styles were associated with increased risks of preschooler overweight and obesity. Longitudinal impacts of parenting on BMI gain remain to be determined.
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            Dental caries and childhood obesity: roles of diet and socioeconomic status.

            Our objective was to determine (a) if caries and obesity were associated in a pediatric population and (b) if so, then to explore diet and socioeconomic status as additional risk factors. Subjects were recruited at birth and are members of the Iowa Fluoride Study. Data such as parental age, parental education levels and family incomes were obtained by questionnaire at recruitment. Children's primary dentition was examined and their weight and height measured at 4.5-6.9 years of age. Parental weight and height were measured when children were 7.6-10.9 years of age. Beverage and nutrient intake patterns were obtained from 3-day food and beverage diaries completed at 1, 2, 3, 4 and 5 years of age. Children with caries had lower family incomes, less educated parents, heavier mothers and higher soda-pop intakes at 2, 3 and for 1-5 years than children without caries (P < 0.05). 'Overweight' children had less educated fathers and heavier parents than 'normal' weight children (P < 0.05). Children 'at risk' of overweight had higher caries rates than 'normal' or 'overweight' children (P < 0.05). In stepwise logistic regression models to predict caries experience, soda-pop intakes were displaced by mother's education, leaving 'at risk' of overweight and mother's education in the final model. Caries and obesity coexist in children of low socioeconomic status. Public health measures to improve dietary education and access to appropriate foodstuffs could decrease the risk of both diseases.
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              Association between obesity, flow rate of whole saliva, and dental caries in adolescents.

              In a cross-sectional study design, we test the hypothesis whether childhood obesity is associated with reduced flow rate of stimulated whole saliva and dental caries. Obese adolescents (n = 65) with a mean age of 14.5 years and normal weight subjects (n = 65) with a mean age of 14.2 years were clinically examined with respect to dental caries, visible plaque accumulation (visible plaque index (VPI%)), gingival inflammation in terms of bleeding on probing (BOP%) as well as answered a questionnaire concerning medical history, medication, oral hygiene habits, smoking habits, and sociodemographic background. The flow rate of stimulated whole saliva (ml/min) was determined. BMI was calculated and adjusted for age and gender (BMI-sds). The obese subjects exhibited higher number of decayed surfaces (DS), 0.7 vs. 0.1 (P = 0.008) and lower flow rate of stimulated whole saliva 1.2 vs. 2.0 ml/min (P 25 and 21 had BOP% >25, both compared to only 5 subjects of the normal weight with P values of 0.005 and 0) (P = 0.002; OR 1.31) and the associations were not found to be confounded by any of the studied variables. The results indicate that childhood obesity is associated with reduced flow rate of stimulated whole saliva and dental caries and further strengthens obesity's negative effect on children's oral health.
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                Author and article information

                Journal
                Syst Rev
                Syst Rev
                Systematic Reviews
                BioMed Central
                2046-4053
                2012
                21 November 2012
                : 1
                : 57
                Affiliations
                [1 ]School of Psychology, Deakin University, 221 Burwood Highway, Burwood, Melbourne, Victoria, 3125, Australia
                [2 ]Melbourne Dental School,Faculty of Medicine Dentistry and Health Sciences, The University of Melbourne, 720 Swanston Street, Melbourne, 3010, Australia
                [3 ]Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, 720 Swanston Street, Melbourne, 3010, Australia
                [4 ]Murdoch Children’s Research Institute, Royal Children's Hospital, Flemington Road, Parkville, Victoria, 3052, Australia
                Article
                2046-4053-1-57
                10.1186/2046-4053-1-57
                3621095
                23171603
                87d21e34-9454-4291-b6db-ad00d1d34568
                Copyright ©2012 Hooley et al.; licensee BioMed Central Ltd.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 18 January 2012
                : 9 October 2012
                Categories
                Systematic Review Update

                Public health
                early childhood caries,childhood obesity,overweight,obesity,dental caries,review
                Public health
                early childhood caries, childhood obesity, overweight, obesity, dental caries, review

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