Oral health status of 12-year-old children in Lisu minority ethnic group in China: a cross-sectional study

Chen, Kitty Jieyi; Liu, Juan; Xu, Bin; Li, Yuexiao; Li, Yanhong; Zhang, Shinan; Chu, Chun Hung

doi:10.1186/s12903-020-01358-2

Cited by 10 publications

(11 citation statements)

References 9 publications

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“…Additionally, gingival bleeding among Hani children prevails. The prevalence rate among Hani children is close to the national average (61% vs. 58%) [ 13 ], but it is lower than that of Lisu children (61% vs. 88%) [ 29 ].…”

Section: Discussionmentioning

confidence: 99%

Oral Health Status of 12-Year-Old Hani Children in the Yunnan Province of China: A Cross-Sectional Study

Chen

Zhou

et al. 2021

IJERPH

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Background: The aim of this cross-sectional study was to investigate the oral health status of Hani 12-year-old children in Yunnan, a province in Southwest China. Method: This study employed a multistage sampling method to recruit children from local primary schools. Two calibrated dentists examined the status of dental caries, gingival bleeding and dental fluorosis by adopting the diagnosis criteria recommended by the World Health Organization. A self-administrated questionnaire was distributed. The chi-square test and multivariate logistic regression were conducted. Results: This study invited 480 Hani children, and recruited 413 children (52% boys) (response rate: 86%). The dental caries prevalence was 52%, and the caries experience associated with the mean (standard deviation) decayed, missing and filled teeth (DMFT) score was 1.10 (1.46). Gingival bleeding was diagnosed in 252 children (61%), and dental fluorosis was found in two children (0.5%). The results of the regression model indicated the prevalence of dental caries were associated with sugary snacking habits (p = 0.002). The prevalence of gingival bleeding was related to the mother’s education level as well as the child’s monthly pocket money (p < 0.05). Conclusion: Dental caries and gingival bleeding were prevalent among 12-year-old Hani children in the Yunnan province in China. Dental fluorosis was uncommon.

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Section: Discussionmentioning

confidence: 99%

Oral Health Status of 12-Year-Old Hani Children in the Yunnan Province of China: A Cross-Sectional Study

Chen

Zhou

et al. 2021

IJERPH

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“…The sampling bias in this study might be lower than the mentioned ones. Moreover, the sampling strategy adopted in this study is convenient and cost-effective in terms of participant recruitment, especially for the ethnic minority groups who live in remote and mountainous regions [19]. Additionally, as this study was supported by the Yunnan Education Bureau, all schools were willing to join and help to recruit samples.…”

Section: Discussionmentioning

confidence: 99%

“…A set of structured questionnaires were delivered to the parents or primary caregivers who accompanied the recruited children to the kindergartens before the dental examinations. The questionnaires covered two domains, namely, the children's background information (sex, parents' education attainment and household monthly income), and the children's oral-health-related behaviors (tooth-brushing practices, snacking habits and dental visit experience) [19].…”

Section: Data Collectionmentioning

confidence: 99%

Dental Caries Status among Yi Preschool Children in Yunnan Province, China: A Cross-Sectional Study

Zhou

Ding

Liu

et al. 2021

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Background: The Yi ethnic group is the sixth largest minority in China. The aim of this study was to investigate dental caries status among Yi preschool children in the Yunnan province, China. Method: This cross-sectional study invited 5-year-old Yi children using multistage cluster sampling. Two trained and calibrated dentists examined the children in kindergartens. The children’s dental caries experience was assessed using the decayed, missing, and filled teeth (dmft) index. Visual plaque on an indexed tooth of each six sextants was recorded and the oral hygiene status was assessed using the Visible Plaque Index. Parents completed questionnaires that surveyed their educational attainment. The questionnaires also collected information about the children’s demographics, snacking habits, oral-health-related behaviors and dental visit experiences. The associations between caries experiences and potential factors were analyzed using zero-inflated negative binomial regression. Results: All 452 invited children (249 boys, 55%) participated in this study with a response rate of 100%. Dental caries prevalence rate was 83%. The mean dmft score and decayed teeth score were 5.2 ± 4.4 and 5.1 ± 4.4, respectively. Almost half of the children (n = 211, 47%) had visible plaque on four or more of the six sextants. Most (n = 366, 81%) of the children had not visited a dentist in the prior 12 months. Regression analysis found the children’s caries experience was associated with their dental visit experience. Conclusion: The great majority of the Yi preschool children experienced dental caries and almost all of the cavities were not restored. Their oral hygiene was poor and visible plaque was commonly found on their teeth.

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“…The oral hygiene status will be measured using the visible plaque index (VPI). Both the buccal and the lingual surfaces of six index teeth (55, 51, 63, 71, 75, and 83) will be examined [ 12 ]. The presence or absence of visible plaque on the caries surface will also be recorded.…”

Section: Methodsmentioning

confidence: 99%

Effect of application time of 38% silver diamine fluoride solution on arresting early childhood caries in preschool children: a randomised double-blinded controlled trial protocol

Yan

Zheng

Gao

et al. 2022

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Background To study the caries lesion activity response to topical 38% silver diamine fluoride (SDF) therapy with increasing treatment application time. Methods/design The design is a stratified-randomised, double-blind, active-controlled, parallel-group clinical trial with nine treatment arms. The trial will involve recruiting at least 414 3- to 5-year-old kindergarten children with caries, who will receive approximately 0.004 mL of 38% SDF (the typical amount applied per the manufacturer’s instructions) to treat each caries lesion. The children will be stratified by caries status, randomised by blocks, and allocated to nine groups of SDF application times: 3, 5, 10, 15, 30, 45, 60, 120, and 180 s. The outcome measure is caries lesion activity (active/arrest) at the tooth-surface level at 6 months post-initial treatment. A calibrated dentist will conduct the blinded clinical examinations at baseline and at the 6-month follow-up. In addition, the parents will be surveyed to examine the effects of the moderating variables, such as oral hygiene, on caries lesion activity. The hypothesis is that a monotonically increasing trend can be found between the SDF application time and the proportion of caries lesions that are arrested. The Cochran-Armitage test for trends in proportions, corrected for clustering within children, will be used to determine the relationship between the exposure to SDF (the SDF application time) and the response (proportion of lesions arrested) in children, taking into consideration the effect of the moderating variables as well as the nesting of multiple caries lesions within an individual child. An EC 80 analysis (an 80% maximal concentration) will be used to determine the exposure (the SDF application time) for 80% caries lesion arrest. Bootstrap methods will be used for clustered data and will be resampled by clustering to determine the 95% confidence interval. Discussion This study will help with determining the optimal application time for SDF treatment. It will provide an evidence-based protocol for the use of SDF to arrest tooth decay in the primary teeth of young children. The results will inform an evidence-based SDF protocol to arrest caries, which affects 573 million children with tooth decay worldwide. Trial registration ClinicalTrials.gov NCT04655430. Registered on 7th December 2020.

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Oral health status of 12-year-old children in Lisu minority ethnic group in China: a cross-sectional study

Cited by 10 publications

References 9 publications

Oral Health Status of 12-Year-Old Hani Children in the Yunnan Province of China: A Cross-Sectional Study

Oral Health Status of 12-Year-Old Hani Children in the Yunnan Province of China: A Cross-Sectional Study

Dental Caries Status among Yi Preschool Children in Yunnan Province, China: A Cross-Sectional Study

Effect of application time of 38% silver diamine fluoride solution on arresting early childhood caries in preschool children: a randomised double-blinded controlled trial protocol

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