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Associations of Masticatory Performance With Body and Dental Variables in Children

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Purpose: The purpose was to evaluate the masticatory performance (MP) of children while also considering body mass index (BMI) and dental conditions. Methods: Ninety-seven 8- to 12-year-olds participated. Dental conditions were appraised by counting the total number of primary and permanent teeth and the decayed, missing, and filled teeth (dmf/DMFT). MP was determined with a chewable material over the course of 20 cycles, obtaining the median particle size (X50) and broadness of distribution (b). Normal weight, underweight, and overweight/obese groups were formed based on BMI-for-age percentiles. Maternal schooling and socioeconomic status (SES) were assessed. Results: Overweight/obese children presented larger X50 than normal-weight children. The b and dental conditions were similar among groups. Most families belonged to a very low SES, and most mothers had limited schooling without influence on BMI. X50 was negatively correlated with age in the underweight group and positively associated with DMFT in the normal group. Underweight children were at higher risk for exhibiting poor MP (odds ratio=1.87). For other variables and groups, the risks were similar. Conclusions: The normal-weight children presented a better masticatory performance than the overweight/obese ones. Poor masticatory performance had a significant relationship with being underweight and with the conditions of permanent teeth in normal-weight children.
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Keywords: BODY MASS INDEX; MASTICATION; OVERWEIGHT; UNDERWEIGHT

Document Type: Research Article

Affiliations: 1: Private Practitioner in Piracicaba, São Paulo, Brazil 2: Department of Pediatric Dentistry, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil 3: Department of Pediatric Dentistry, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil. [email protected]

Publication date: July 1, 2010

More about this publication?
  • Pediatric Dentistry is the official publication of the American Academy of Pediatric Dentistry, the American Board of Pediatric Dentistry and the College of Diplomates of the American Board of Pediatric Dentistry. It is published bi-monthly and is internationally recognized as the leading journal in the area of pediatric dentistry. The journal promotes the practice, education and research specifically related to the specialty of pediatric dentistry. This peer-reviewed journal features scientific articles, case reports and abstracts of current pediatric dental research.
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