Full
Outline
To investigate the prevalence of dental caries among primary and secondary school students in an ethnic minority region of Sichuan, and to examine the relationship between dental caries and nutritional status, with the aim of providing a foundation for effective prevention and control strategies for dental caries in ethnic minority areas.
A stratified cluster random sampling method was employed to select 13 899 primary and secondary school students from this ethnic minority region for inclusion in the study. Comprehensive oral and physical examinations were conducted, along with the administration of questionnaires. The χ2 test was utilized to compare differences, while logistic regression analysis was performed to investigate the association between dental caries and nutritional status.
In 2024, the caries rate of primary and secondary school students in an ethnic minority area in Sichuan was 74.17%, and 77.63%, 74.29%, and 57.26% for Tibetans, Qiangs, and Han Chinese, respectively. Statistically significant differences were observed in caries rates based on various factors, including gender (χ2=170.20, P<0.001), ethnicity (χ2=364.64, P<0.001), school segment (χ2=93.77, P<0.001),topography (χ2=675.45, P<0.001), overweight and obesity status (χ2=106.85, P<0.001), as well as daily milk consumption (χ2=22.49, P<0.001) among students. The difference in caries rates among students of different ages was statistically significant (χ2=174.82, P<0.001). Overweight and obesity were protective factors for caries among primary and secondary school students in an ethnic minority area of Sichuan (OR=0.696, 0.587, respectively, both P-values<0.001).
The caries rate of primary and secondary school students in an ethnic minority area in Sichuan is high, and overweight and obesity are closely related to caries. It is recommended that an integrated intervention system addressing “environment-nutrition-behavior” be established to prevent dental caries effectively while safeguarding students’ oral health.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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