Journal of Prevention and Treatment for Stomatological Diseases ›› 2017, Vol. 25 ›› Issue (11): 693-696.doi: 10.12016/j.issn.2096-1456.2017.11.003

• The Fourth National Epidemiological Survey of Oral Health • Previous Articles     Next Articles

A sampling survey of deciduous teeth caries in 3-5-year-old population in Guangdong Province (2015-2016)

Jianbo LI1(), Weihua FAN1, Wanghong ZHAO2, Shaohong HUANG1()   

  1. 1. Stomatological Hospital, Southern Medical University, Guangzhou 510280, China. 2. Nanfang Hospital, Southern Medical University & Stomatological College of Southern Medical University, Guangzhou 510080, China
  • Received:2017-09-08 Revised:2017-10-16 Online:2017-11-20 Published:2018-09-03

Abstract:

Objective To explore the dental deciduous teeth caries among 3-5-year-old children in Guangdong Province and to provide information support for oral health care of Guangdong Province. Methods A cross-sectional survey was carried out among 2 592 urban and rural residents in Guangdong. Subjects were from three different age groups (aged 3, 4 and 5), with 864 children in each group. Male and female were 1:1 in each group. An equal sized sampling with stratified multistage method was used. According to the criteria of clinical dentition examination of the fourth national oral health survey, the dental caries in deciduous teeth were recorded using CPI probe. And then the prevalence, the mean dmft (decayed-missing-filled tooth), the filled rate were calculated. Results The prevalence of dental caries in deciduous teeth in the three groups of aged 3, aged 4, aged 5 were 58.33%, 68.40%, and 78.47% independently; the mean dmft were 3.03, 4.34, and 5.69 independently; the filled rate were 0.92%, 1.47%, 1.26% independently. There were significant differences in the prevalence and the mean dmft between urban and rural areas and among different age groups. There was no significant difference in the prevalence regarding the gender in each group, The mean dmft in the group of aged 3 in female were higher than that in male, while no gender differences were found in the groups of aged 4 and aged 5. The prevalence and the mean dmft of 5-year-old children were higher than that in 2005. Conclusion The 3-5-year-old children of Guangdong Province had a really high prevalence of dental caries in deciduous teeth. More than 98% of the caries are unfilled, treatment need is extremely huge. The 3-5-year-old children are the main target for us to prevent the early childhood caries.

Key words: Caries, Deciduous teeth, Oral epidemiology, Preschool children, Cross-sectional survey

CLC Number: 

  • R781.1

Table 1

The prevalence of deciduous caries among the population aged 3-5 years old in Guangdong Province"

年龄
(岁)
城乡/
性别
受检
人数
龋(d) 失(m) 补(f) 龋失补(dmf) χ2 P
人数 % 人数 % 人数 % 人数 %
3 城市 432 197 45.60 1 0.23 6 1.39 197 45.60 57.62 < 0.001
农村 432 307 71.06 0 0 2 0.46 307 71.06
432 241 55.79 0 0 2 0.46 241 55.79 2.30 0.129
432 263 60.88 1 0.23 6 1.39 263 60.88
合计 864 504 58.33 1 0.12 8 0.93 504 58.33
4 城市 432 242 56.02 0 0 17 3.94 246 56.94 52.48 < 0.001
农村 432 345 79.86 6 1.39 2 0.46 345 79.86
432 296 68.52 5 1.16 7 1.62 296 68.52 0.01 0.942
432 291 67.36 1 0.23 12 2.78 295 68.29
合计 864 587 67.94 6 0.69 19 2.20 591 68.40
5 城市 432 297 68.75 2 0.46 20 4.63 298 68.98 46.07 < 0.001
农村 432 379 87.73 4 0.93 7 1.62 380 87.96
432 336 77.78 3 0.69 16 3.70 337 78.01 0.11 0.741
432 340 78.70 3 0.69 11 2.55 341 78.94
合计 864 676 78.24 6 0.69 27 3.13 678 78.47
总计 2 592 1 767 68.17 13 0.50 54 2.08 1 773 68.40

Table 2

The dmft of deciduous caries among the population aged 3-5 years old in Guangdong Province"

年龄
(岁)
城乡/
性别
受检
人数
龋(d) 失(m) 补(f) 龋失补(dmf) t P
牙数 $\bar{x}$ ± s 构成比
(%)
牙数 $\bar{x}$ ± s 构成比
(%)
牙数 $\bar{x}$ ± s 构成
比(%)
牙数 $\bar{x}$ ± s
3 城市 432 764 1.77 ± 3.08 97.32 2 0.00 ± 0.10 0.25 19 0.04 ± 0.45 2.42 785 1.82 ± 3.19 8.89 < 0.001
农村 432 1 829 4.23 ± 4.70 99.73 0 0.00 ± 0.00 0.00 5 0.01 ± 0.17 0.27 1 834 4.25 ± 4.70
432 1 173 2.72 ± 3.93 99.07 0 0.00 ± 0.00 0.00 11 0.03 ± 0.39 0.93 1 184 2.74 ± 3.96 2.04 0.042
432 1 420 3.29 ± 4.36 98.95 2 0.00 ± 0.10 0.14 13 0.03 ± 0.28 0.91 1 435 3.32 ± 4.40
合计 864 2 593 3.00 ± 4.16 99.01 2 0.00 ± 0.07 0.08 24 0.03 ± 0.34 0.92 2 619 3.03 ± 4.19
4 城市 432 1 107 2.56 ± 3.69 95.68 0 0.00 ± 0.00 0.00 50 0.12 ± 0.69 4.32 1 157 2.68 ± 3.79 10.33 < 0.001
农村 432 2 582 5.98 ± 5.51 99.50 8 0.02 ± 0.17 0.31 5 0.01 ± 0.20 0.19 2 595 6.01 ± 5.53
432 1 839 4.26 ± 5.02 98.61 6 0.01 ± 0.14 0.32 20 0.05 ± 0.45 1.07 1 865 4.32 ± 5.06 0.15 0.882
432 1 850 4.28 ± 4.96 98.04 2 0.00 ± 0.10 0.11 35 0.08 ± 0.56 1.85 1 887 4.37 ± 4.98
合计 864 3 689 4.27 ± 4.99 98.32 8 0.01 ± 0.12 0.21 55 0.06 ± 0.51 1.47 3 752 4.34 ± 5.02
5 城市 432 1 812 4.19 ± 4.91 97.16 3 0.01 ± 0.11 0.16 50 0.12 ± 0.63 2.68 1 865 4.32 ± 5.00 7.69 < 0.001
农村 432 3 034 7.02 ± 5.49 99.38 7 0.02 ± 0.19 0.23 12 0.03 ± 0.26 0.39 3 053 7.07 ± 5.51
432 2 337 5.41 ± 5.29 98.23 6 0.01 ± 0.18 0.25 36 0.08 ± 0.56 1.51 2 379 5.51 ± 5.31 1.00 0.317
432 2 509 5.81 ± 5.49 98.82 4 0.01 ± 0.12 0.16 26 0.06 ± 0.40 1.02 2 539 5.88 ± 5.55
合计 864 4 846 5.61 ± 5.39 98.54 10 0.01 ± 0.15 0.20 62 0.07 ± 0.49 1.26 4 918 5.69 ± 5.43
总计 2 592 11 128 4.29 ± 4.99 98.57 20 0.01 ± 0.12 0.18 141 0.05 ± 0.45 1.25 11 289 4.36 ± 5.02

Table 3

The prevalence and dmft of deciduous caries among different age groups"

年龄
(岁)
受检
人数
患龋率
(%)
Z P1 龋均 F P2
3 864 58.33 -9.00 < 0.001 3.03 ± 4.19 63.49 < 0.001
4 864 68.40 4.34 ± 5.02
5 864 78.47 5.69 ± 5.43

Table 4

The deciduous caries status of population aged 5 years old between 2005 and 2015-2016"

时间 受检人数 患龋率(%) 龋均 充填率(%)
2005年 720 67.78 4.10 1.09
2015~2016年 864 78.47 5.69 1.26
χ2值或t 23.123 6.290 0.481
P < 0.001 < 0.001 0.488
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