Skip to main content
Key Specialties
Cardiology Diabetology Endocrinology Gastroenterology Geriatrics and Gerontology Gynecology and Obstetrics Hematology Infectious Disease Internal Medicine Nephrology Neurology Oncology Pediatrics Respiratory Medicine Rheumatology Surgery
Congress Coverage
2024 ACC Congress 2023 ESMO Congress 2023 EASD Congress 2023 ERS Congress 2023 ESC Congress
Clinical Collections
Advances in Alzheimer’s

At a glance: The ONWARDS insulin icodec trials

A round-up of the ONWARDS phase 3 clinical trials evaluating the novel weekly insulin icodec in people with diabetes.
ADVANCED SEARCH
Log in
Top
BMC Oral Health
Published in: BMC Oral Health 1/2015

Open Access 01-12-2015 | Research article

Dental and periodontal status of 12-year-old Dai school children in Yunnan Province, China: a cross-sectional study

Authors: Shinan Zhang, Biao Xu, Juan Liu, Edward CM Lo, Chun-Hung Chu

Published in: BMC Oral Health | Issue 1/2015

Login to get access

Abstract

Background

The Dai people are one of the ethnic minorities in China and have a population of 1,260,000. They have the same origin as one of the main ethnic groups in Laos and Thailand. The study aims to describe the dental caries and gingival status of 12-year-old Dai children in China and to study the factors affecting their oral-health status.

Methods

This cross-sectional oral-health survey was conducted from 2011–2012 with ethics approval. A sample of 12-year-old Dai children living in Yunnan, China, was selected using a multistage and cluster sampling method. One trained examiner performed the clinical examination. Caries experience was measured using DMFT index, and gingival status was assessed with CPI index. A self-completed questionnaire was sent to the children, and they were asked about their backgrounds and oral-health-related behaviors and oral-health knowledge. Binary logistic regression analysis was performed to investigate the factors that affected the caries status.

Results

A total of 875 children were invited, and 823 (94 %) joined the survey. The prevalence of caries experience among the participants was 40 %. The mean DMFT and DT scores were 0.9 and 0.8, respectively. Most children (93 %) had gingivitis, and many (46 %) had calculus. Girls and those who had visited a dentist during the previous year had a higher prevalence of caries.

Conclusion

Dental caries were prevalent among 12-year-old Dai children in China. The periodontal condition of most of the children was poor. Caries were associated with gender and dental attendance.
Appendix
Available only for authorised users
Literature
1.
Gao BD, Li G, Wang Y, Guo J, Hao YY, Ding XY. The investigation on dentist structure in some provinces and a city of China. J Pract Stomatol. 2011;27(2):279–82.
2.
3.
4.
Sheng LY: China statistical year book. Beijing: China Statistics Press; 2010.
5.
Gray M, Morris AJ, Davies J. The oral health of south Asian five-year-old children in deprived areas of Dudley compared with white children of equal deprivation and fluoridation status. Community Dent Health. 2000;17:243–5.PubMed
6.
Pine CM, Adair PM, Nicoll AD, Burnside G, Petersen PE, Beighton D, et al. International comparisons of health inequalities in childhood dental caries. Community Dent Health. 2004;21:121–30.PubMed
7.
Le CH, Sheng LY: China’s ethnic statistical year book. Beijing: China Statistics Press; 2011.
8.
Compile Group of Brief History of Dai Minority Group. Brief history of Dai minority group. Beijing: Nationalities Publishing House; 2009.
9.
Li MJ: Reason and measures of economic development imbalance of Yunnan minority areas. Ecol Econ. 2012;12(261): 73–77.
10.
World Health Organization. Oral health surveys basic methods. 4th ed. Geneva: World Health Organization; 1997.
11.
12.
Chu CH, Wong AW, Lo EC, Courtel F. Oral health status and behaviours of children in rural districts of Cambodia. Int Dent J. 2008;58(1):15–22.CrossRefPubMed
13.
Lam A, Chu CH, Lo ECM. Oral health of children in rural area of the Philippines. J Dent Res. 2010;89(Spec IssA):1270.
14.
Chu CH, Chau AM, Wong ZS, Hui BS, Lo EC. Oral health status and behaviours of children in Myanmar-a pilot study in four villages in rural areas. Oral Health Prev Dent. 2012;10(4):365–71.PubMed
15.
16.
Zhang S, Lo EC, Liu J, Chu CH. A review of the dental caries status of ethnic minority children in China. J Immigr Minor Health. 2015;17(1):285–97.CrossRefPubMed
17.
Wong MC, Lo EC, Schwarz E, Zhang HG. Oral health status and oral health behaviors in Chinese children. J Dent Res. 2001;80(5):1459–65.CrossRefPubMed
18.
Monse B, Heinrich-Weltzien R, Benzian H, Holmgren C, van Palenstein HW. Pufa--an index of clinical consequences of untreated dental caries. Community Dent Health. 2010;38:77–82.
19.
20.
Qi XQ. Report of the third national survey of oral health. Peking, China: People’s Medical Publishing House; 2008.
21.
Sheiham A. Oral health, general health and quality of life. Bull World Health Org. 2005;83:641–720.
22.
Petersen PE, Hoerup N, Poomviset N, Prommajan J, Watanapa A. Oral health status and oral health behaviour of urban and rural schoolchildren in southern Thailand. Int Dent J. 2001;51:95–102.CrossRefPubMed
23.
Livny A, Sgan-Cohen HD. A review of a community program aimed at preventing early childhood caries among Jerusalem infants--a brief communication. J Public Health Dent. 2007;67:78–82.CrossRefPubMed
24.
Ling J, Fu Y. Recent Changes in the Curriculum of Chinese Dental Schools. J Dent Educ. 2007;71(11):1447–56.PubMed
25.
Zhang S, Lo EC, Chu CH. Attitude and awareness of medical and dental students towards collaboration between medical and dental practice in Hong Kong. BMC Oral Health. 2015;15:53.CrossRefPubMedPubMedCentral
26.
World Health Organization. Oral health surveys basic methods. 5th ed. Geneva: World Health Organization; 2013.
27.
28.
Metadata
Title
Dental and periodontal status of 12-year-old Dai school children in Yunnan Province, China: a cross-sectional study
Authors
Shinan Zhang
Biao Xu
Juan Liu
Edward CM Lo
Chun-Hung Chu
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Oral Health / Issue 1/2015
Electronic ISSN: 1472-6831
DOI
https://doi.org/10.1186/s12903-015-0106-7

Other articles of this Issue 1/2015

BMC Oral Health 1/2015 Go to the issue

Research article

A study of the provision of hospital based dental general anaesthetic services for children in the northwest of England: part 1 - a comparison of service delivery between six hospitals

Research article

Extrinsic tooth staining potential of high dose and sustained release iron syrups on primary teeth

Research article

Small-diameter titanium grade IV and titanium-zirconium implants in edentulous mandibles: five-year results from a double-blind, randomized controlled trial

Research article

Failure on all fronts: general dental practitioners’ views on promoting oral health in high caries risk children- a qualitative study

Study protocol

Comparison of the caries-protective effect of fluoride varnish with treatment as usual in nursery school attendees receiving preventive oral health support through the Childsmile oral health improvement programme — the Protecting Teeth@3 Study: a randomised controlled trial

Research article

The impact of oral health conditions, socioeconomic status and use of specific substances on quality of life of addicted persons