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Oral Function and Diet Quality in a Community-based Sample

Department of Orthodontics, Department of Prosthodontics and Pcriodontics, Piracicaba School of Dentistry, University of Campinas, Brazil, rosemary_shinkai{at}yahoo.com

J.P. Hatch

Department of Orthodontics, Department of Psychiatry

S. Sakai

Department of Orthodontics

C.C. Mobley

Department of Community Dentistry

M.J. Saunders

Departments of Dental Diagnostic Science and Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900, Geriatric Research, Education and Clinical Center, South Texas Veterans Health Care System

J.D. Rugh

Department of Orthodontics

Overall diet quality indices, such as the Healthy Eating Index (HEI), are preferred for epidemiological studies, yet studies in dentistry have focused on isolated dietary components. This study investigated the influence of socio-demographic and masticatory variables (masticatory performance, bite force, number of posterior functional tooth units, TMJ disorder, and dentition status) on overall diet quality in a community-based sample (n = 731). Cross-sectional data were derived from clinical examinations, bite force recordings, masticatory performance measurements, and two 24-hour dietary recalls. Females, European-Americans, and older subjects had better HEI scores than males, Mexican-Americans, and younger subjects, respectively. Income, education, and the masticatory variables were not related to diet quality. Analyses according to dentition status (good dentition, compromised dentition, partial denture, and complete dentures) showed no inter-group differences for HEI except for the age groups. The results suggest that the chewing-related factors evaluated in this sample are not predictors of overall diet quality across the socio-demographic groups.

Key Words: mastication • diet • nutrition • Healthy Eating Index.

Journal of Dental Research, Vol. 80, No. 7, 1625-1630 (2001)
DOI: 10.1177/00220345010800070601


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