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  • Dental Caries and BMI...

Dental Caries and BMI have bidirectional association among Deprived Adolescents, suggests study

Written By : Dr. Shravani Dali |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2025-09-17T22:15:00+05:30  |  Updated On 18 Sept 2025 12:17 PM IST
Dental Caries and BMI have bidirectional association among Deprived Adolescents, suggests study
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Adolescence is a critical period for both oral and overall health, with nutrition, growth, and dental development closely interlinked. New evidence has shed light on a bidirectional association between dental caries and body mass index (BMI) among adolescents living in deprived communities, underscoring the complex interplay between malnutrition and oral disease.

Researchers have found that adolescents with persistently low BMI are at higher risk of developing dental caries. Poor nutritional intake in underweight individuals may weaken enamel integrity and compromise immune response, leaving them more susceptible to oral infections.

At the same time, repeated dental pain and infection may further impair dietary intake, reinforcing a cycle of poor growth and oral ill-health. On the other end of the spectrum, the study also revealed that adolescents experiencing increasing caries and related oral infections were more prone to higher BMI z-score increases over time. This may reflect greater consumption of sugar-rich diets, which not only contribute to caries progression but also predispose to excess weight gain.

Thus, dental caries may act as both a marker and contributor to adverse nutritional trajectories in deprived populations. These findings highlight the urgent need for coordinated strategies that simultaneously address malnutrition and dental caries in adolescents, particularly those in socioeconomically disadvantaged settings. Interventions should integrate dietary guidance, caries-preventive oral care, and community-based health promotion programs. Schools may serve as key venues for screening and implementing preventive measures such as fluoride varnish application, oral hygiene education, and healthier dietary policies.

The study emphasizes that tackling either condition in isolation may be insufficient. Instead, holistic, integrated approaches targeting both oral health and nutrition could reduce the burden of caries, improve growth outcomes, and contribute to long-term health equity. Further longitudinal research is warranted to refine causal mechanisms and design interventions that can break this harmful cycle.

Reference
Patel R, Singh A, O’Malley L, et al. Bidirectional association between dental caries and body mass index among deprived adolescents: findings from a prospective cohort study. Community Dentistry and Oral Epidemiology. 2025. doi:10.1111/cdoe.12987
dental cariesbody mass indexBMI z-scoreadolescentsdeprived communitiesmalnutritionoral healthnutritionbidirectional associationpublic health strategies
Source : Journal Of Dentistry
Dr. Shravani Dali
Dr. Shravani Dali

    Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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