International dental journal · 2026
Global, Regional, and National Burden of Caries Among Women of Childbearing Age From 1990 to 2021 and Prediction.
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Chen Hui, Hu Meiling, Liu Longzhen, Pan Taohua, Chen Xi, Guo Jincai
Аннотация
INTRODUCTION AND AIMS: Caries is a major global oral health issue. However, a critical gap persists in understanding its burden and temporal trends among women of childbearing age (WCBA). This study aims to analyse caries burden among WCBA from 1990 to 2021, project trends to 2040, and provide evidence for targeted oral health interventions.
METHODS: Data from the Global Burden of Disease study 2021 were used to assess caries burden among WCBA, including incidence, prevalence, and disability-adjusted life-years (DALYs). Temporal trends were analysed using joinpoint regression, associations with the sociodemographic index(SDI) were examined via Spearman correlation analyses, and future trends were projected using the Nordpred model.
RESULTS: In 2021, caries among WCBA resulted in 817.5 million incident cases and 688,430 DALYs globally, with South Asia recording the highest numbers of both indicators. The highest age-standardized incidence rate (ASIR) and age-standardized DALYs rate (ASDR) were observed in Tropical Latin America and Andean Latin America, respectively. From 1990 to 2021, the global ASIR increased (AAPC = 0.27%), whereas the ASDR declined modestly (AAPC = -0.03%). Both incidence and DALYs peaked in the 20-24 age group. Projections from 2022 to 2040 suggest that the ASIR will rise by 2.83%, while the ASDR is expected to decrease by 5.00%.
CONCLUSION: Despite modest declines in ASDR, the rising ASIR, particularly in lower-SDI regions, underscores caries among WCBA as a persistent public health challenge requiring targeted interventions.
CLINICAL RELEVANCE: Caries among WCBA affects not only oral health but also systemic conditions, particularly metabolic disorders, adverse pregnancy outcomes, and offspring oral health. Assessing WCBA as a whole, as conducted in this study, provides an important basis and proxy for evaluating maternal oral health needs. Therefore, early screening and prevention should be prioritized in oral and primary care settings for young women and integrated into prenatal and maternal health programs to improve maternal and child health outcomes.
METHODS: Data from the Global Burden of Disease study 2021 were used to assess caries burden among WCBA, including incidence, prevalence, and disability-adjusted life-years (DALYs). Temporal trends were analysed using joinpoint regression, associations with the sociodemographic index(SDI) were examined via Spearman correlation analyses, and future trends were projected using the Nordpred model.
RESULTS: In 2021, caries among WCBA resulted in 817.5 million incident cases and 688,430 DALYs globally, with South Asia recording the highest numbers of both indicators. The highest age-standardized incidence rate (ASIR) and age-standardized DALYs rate (ASDR) were observed in Tropical Latin America and Andean Latin America, respectively. From 1990 to 2021, the global ASIR increased (AAPC = 0.27%), whereas the ASDR declined modestly (AAPC = -0.03%). Both incidence and DALYs peaked in the 20-24 age group. Projections from 2022 to 2040 suggest that the ASIR will rise by 2.83%, while the ASDR is expected to decrease by 5.00%.
CONCLUSION: Despite modest declines in ASDR, the rising ASIR, particularly in lower-SDI regions, underscores caries among WCBA as a persistent public health challenge requiring targeted interventions.
CLINICAL RELEVANCE: Caries among WCBA affects not only oral health but also systemic conditions, particularly metabolic disorders, adverse pregnancy outcomes, and offspring oral health. Assessing WCBA as a whole, as conducted in this study, provides an important basis and proxy for evaluating maternal oral health needs. Therefore, early screening and prevention should be prioritized in oral and primary care settings for young women and integrated into prenatal and maternal health programs to improve maternal and child health outcomes.