Journal of Prevention and Treatment for Stomatological Diseases ›› 2018, Vol. 26 ›› Issue (10): 652-656.doi: 10.12016/j.issn.2096-1456.2018.10.008

• Prevention and Treatment Practice • Previous Articles     Next Articles

Analysis of risk factors for dental caries in deciduous teeth among preschool children

Yuan CHEN,Zhuohui FU,Yue CHEN,Jiaxin DENG,Yan WANG,Jing ZOU()   

  1. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
  • Received:2018-05-22 Revised:2018-06-02 Online:2018-10-20 Published:2018-10-20

Abstract:

Objective To investigate the risk factors for caries in preschool children to provide a scientific basis for the prevention and treatment of caries in primary teeth.Method From July 2017 to September 2017, 183 children aged 3-6 who received treatment for caries in the Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, were randomly selected for recording of the caries status of deciduous teeth, and a questionnaire was collected from their guardians. Risk factors for caries in primary teeth were analyzed using SPSS 21.0 software.Results The mean dmft (decayed, missing and filled teeth) value of all samples was 9.91 ± 5.12. There was no significant difference in dmft between boys (10.38 ± 5.26) and girls (9.55 ± 5.01) (t = -1.088, P > 0. 05). There were 40 cases (21.86%) in the mild caries group (dmft = 3.13 ± 1.34) and 143 cases in the severe group (dmft = 11.80 ± 4.07). Oral hygiene before one year of age, duration of tooth brushing, number of oral hospital examinations and frequency of sugar intake were significantly associated with caries status (P < 0.05). Children who brushed their teeth for less than 2 minutes and consumed sugar frequently had high dmft values. Duration of tooth brushing and frequency of sugar intake were significantly associated with caries in the primary teeth (P < 0.05).Conclusion Insufficient tooth brushing time and frequent sugar intake are major risk factors for deciduous caries.

Key words: Dental caries, Deciduous teeth, Risk factors, Prevention, Relative analysis

CLC Number: 

  • R788

Table 1

The distribution of deciduous dental caries in 183 children"

性别 患龋例数(n 龋均 t P
78 10.38 ± 5.26 -1.088 0.278
105 9.55 ± 5.01
合计 183 9.91 ± 5.12

Table 2

The distribution of carious teeth in 183 children n(%)"

患龋情况 例数(n 患龋牙数(颗) 龋均
轻症组 40(21.86) 125(6.89) 3.13 ± 1.34
重症组 143(78.14) 1688(93.11) 11.80 ± 4.07
合计 183(100) 1813(100) 9.91 ± 5.12

Table 3

Analysis of factors that influence caries in children"

影响因素 轻症组(%) 重症组(%) χ2 P
1岁前清洁方式 未清洁 12(30.00%) 61(42.66%) 8.003 0.046
棉签等蘸水清洁 11(27.50%) 22(15.38%)
进食后喝清水 8(20.00%) 44(30.77%)
指套牙刷 9(22.50%) 16(11.19%)
1~3岁口腔清洁方式 未清洁 6(15.00%) 18(12.59%) 0.276 0.871
仅使用牙刷 8(20.00%) 26(18.18%)
使用牙刷及牙膏 26(65.00%) 99(69.24%)
3~6岁口腔清洁方式 使用儿童牙刷 30(75.00%) 121(84.62%) 2.003 0.157
使用电动牙刷 10(25.00%) 22(15.38%)
刷牙时间(min) <2 25(62.50%) 117(81.82%) 6.710 0.010
≥ 2 15(37.50%) 26(18.18%)
监督刷牙 经常 18(45.00%) 53(37.06%) 0.838 0.658
偶尔 19(47.50%) 77(53.85%)
没有 3(7.50%) 13(9.09%)
口腔医院检查次数 从未去过 14(35.00%) 54(37.76%) 8.986 0.011
有症状时去过 14(35.00%) 73(51.05%)
定期检查 12(30.00%) 16(11.19%)
甜食频率 ≤ 1次/天 27(67.50%) 80(55.94%) 2.121 0.042
2次/天 6(15.00%) 35(24.48%)
≥ 3次/天 7(17.50%) 28(19.58%)
婴幼儿期喂养方式 奶瓶喂养 10(25.00%) 40(27.97%) 0.145 0.930
母乳喂养 19(47.50%) 66(46.15%)
混合喂养 11(37.50%) 37(25.87%)

Table 4

Multifactor logistic regression analysis of caries and its risk factors in 183 children"

影响因素 B S.E. Wals df Sig Exp(B) Exp(B)95% CI
1岁前清洁方式 -0.069 0.176 0.153 1 0.696 0.934 0.662-1.318
刷牙时间 -1.029 0.408 6.361 1 0.012 0.357 0.161-0.795
口腔医院检查次数 -0.428 0.282 2.305 1 0.129 0.652 0.376-1.132
甜食频率 -0.711 0.299 5.643 1 0.018 2.036 1.132-3.660
常量 2.488 0.897 7.694 1 0.006 12.032
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