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Accepted manuscript

Starch intake and caries increment: A longitudinal study in Finnish adults

Published online by Cambridge University Press:  26 November 2024

FH Jangda ,
AL Suominen ,
A Lundqvist ,
S Männistö ,
A Golkari  and
E Bernabé Open the ORCID record for E Bernabé [Opens in a new window]
FH Jangda*
Affiliation:
Institute of Dentistry, Queen Mary University of London, London, United Kingdom
AL Suominen
Affiliation:
Institute of Dentistry, University of Eastern Finland, Kuopio, Finland Oral Health Teaching Unit, Kuopio University Hospital, Kuopio, Finland National Institute for Health and Welfare, Helsinki, Finland
A Lundqvist
Affiliation:
National Institute for Health and Welfare, Helsinki, Finland
S Männistö
Affiliation:
National Institute for Health and Welfare, Helsinki, Finland
A Golkari
Affiliation:
Institute of Dentistry, Queen Mary University of London, London, United Kingdom
E Bernabé
Affiliation:
Institute of Dentistry, Queen Mary University of London, London, United Kingdom
*
Corresponding author: Fariah H Jangda, Institute of Dentistry, Queen Mary University of London, Royal London Dental Hospital, Turner Street, London E1 2AD, UK, Email: f.jangda@qmul.ac.uk
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Abstract

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Objective:

To evaluate whether changes in starch intake (in terms of amount and food sources) were associated with increments in dental caries among adults.

Design:

11-year longitudinal study (2000-2011) with duplicate assessments for all variables. A 128-item food frequency questionnaire was used to estimate intake of starch (g/day) and six starch-rich food groups (potatoes, potato products, roots and tubers, pasta, wholegrains, and legumes). Dental caries was assessed through clinical examinations and summarised using the number of decayed, missing and filled teeth (DMFT score). The relationship between quintiles of starch intake and DMFT score was tested in linear hybrid models adjusting for confounders.

Setting:

Northern and Southern regions of Finland.

Participants:

922 adults, aged 30-88 years.

Results:

Mean starch intake was 127.6 (SD: 47.8) g/day at baseline and 120.7 (55.8) g/day at follow-up. Mean DMFT score was 21.7 (6.4) and 22.4 (6.2) at baseline and follow-up. Starch intake was inversely associated with DMFT score cross-sectionally (rate ratio for highest versus lowest quintile of intake: -2.73, 95%CI: -4.64, -0.82) but not longitudinally (0.32, 95%CI: -0.12, 0.76). By food sources, the intakes of pasta (-2.77, 95%CI: -4.21, -1.32) and wholegrains (-1.91, 95%CI: -3.38, -0.45) were negatively associated with DMFT score cross-sectionally but not longitudinally (0.03, 95%CI: -0.33, 0.39 and -0.10, 95%CI: -0.44, 0.24, respectively).

Conclusion:

Changes in the amount and sources of starch intake were not associated with changes in dental caries. Further studies should be conducted in different settings and age groups while focusing on starch digestibility and specific sources of starch.

Keywords

StarchCarbohydratesDental CariesLongitudinal studyAdultFinland
Type
Research Paper
Information
Public Health Nutrition , Accepted manuscript , pp. 1 - 22
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Authors 2024