Journal of Peking University (Health Sciences) ›› 2024, Vol. 56 ›› Issue (5): 833-838. doi: 10.19723/j.issn.1671-167X.2024.05.013

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Caries experience and its correlation with caries activity of 4-year-old children in Miyun District of Beijing

Xinxin CHEN1,2, Zhe TANG1, Yanchun QIAO1, Wensheng RONG1,*()   

  1. 1. Department of Preventive Dentistry, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing 100081, China
    2. Qingdao Stomatological Hospital Afflicated to Qingdao University, Qingdao 266001, Shandong, China
  • Received:2021-04-01 Online:2024-10-18 Published:2024-10-16
  • Contact: Wensheng RONG E-mail:rongwensheng@vip.sina.com

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Abstract:

Objective: To investigate the prevalence of dental caries of 4-year-old children in Miyun District of Beijing by international caries detection and assessment system (ICDAS), to detect the caries activity Cariostat value and to analyze the correlation between the Cariostat value and dental caries. Methods: Totally 815 children aged 4 years in 7 kindergartens in Miyun District of Beijing were recruited. The clinical examination of all children was conducted by one examiner using ICDAS. The oral de-birs and plaques were collected by one doctor who recorded the Cariostat scores. The results of clinical examination were compared between genders. At the same time, the prevalence of dental caries, the mean d3-6ft/d3-6fs and d1-6ft/d1-6fs among high Cariostat scores group (2.0-3.0), medium Cariostat scores group (1.5) and low Cariostat scores group (0-1.0) were compared. The distributions of incipient caries in different Cariostat scores groups were compared among children with incipient caries only. Results: All the children had incipient caries, and 78.3% of the children had cavitated caries with ICDAS score of 3 or above. The mean d1-2t scores were 9.76±3.65, the mean d3-6ft scores was 4.64±4.43 and the mean d1-6ft scores were 14.41±3.42. The incipient caries with ICDAS score of 1-2 were widely distributed, accounting for 67.7% of the total numbers of caries. There was no significant diffe-rence in caries prevalence and caries experience between genders (P>0.05). The proportion of children with high Cariostat scores in boys (43.6%) was higher than that in girls (33%) and the difference was statistically significant (P<0.05). With the increase of Cariostat scores, the prevalence of cavitated caries, the mean d3-6ft/d3-6fs and d1-6ft/d1-6fs scores in children was on the increase and the difference among the three groups was statistically significant (P<0.05). For children with incipient caries only, the distribution of incipient caries in different Cariostat scores groups was no significant difference (P>0.05). Conclusion: ICDAS can detect early enamel demineralization of deciduous teeth in children. The prevalence of dental caries among 815 4-year-old children in Miyun District of Beijing is more serious, and incipient caries is widely distributed in children. Cariostat value reflects the status of cavi-tated caries and has no correlation with the distribution of incipient caries. Therefore, the combined application of ICDAS and Cariostat caries activity detection method is helpful for the detection of incipient caries and screening of caries high-risk children, which has great significance for the comprehensive ma-nagement of caries in children and the formulation of early preventive measures.

Key words: Dental caries, Child, Diagnosis, International caries detection and assessment system, Cariostat caries activity detection

CLC Number: 

  • R788.1

Table 1

Caries experience and Cariostat scores distribution of 4-year-old children"

Items Total (n=815) Male (n=436) Female (n=379) Statistics P
Mean decay tooth of early caries and cavitated caries
  d1-6t 13.89±3.42 13.95±3.47 13.82±3.37 t=0.55 0.59
  ft 0.52±1.45 0.54±1.51 0.49±1.37 t=0.45 0.65
  d1-6ft 14.41±3.42 14.49±3.45 14.31±3.40 t=0.74 0.46
Mean decay tooth surface of early caries and cavitated caries
  d1-6s 43.09±15.31 43.38±15.45 42.77±15.15 t=0.57 0.57
  fs 0.78±2.39 0.85±2.63 0.69±2.09 t=0.95 0.34
  d1-6fs 43.87±15.71 44.23±15.86 43.46±15.54 t=0.70 0.49
Mean decay tooth of early caries
  d1-2t 9.76±3.65 9.74±3.84 9.79±3.42 t=0.22 0.83
  d1-2s 35.01±11.45 34.98±11.53 35.05±11.37 t=0.08 0.93
Mean decay tooth of cavitated caries
  d3-6t 4.13±4.02 4.21±4.13 4.03±3.89 t=0.66 0.51
  d3-6ft 4.64±4.43 4.75±4.57 4.52±4.28 t=0.75 0.46
Mean decay tooth surface of cavitated caries
  d3-6s 8.08±9.43 8.39±9.96 7.72±8.78 t=1.03 0.30
  d3-6fs 8.85±10.19 9.24±10.78 8.41±9.44 t=1.18 0.24
Prevalence of cavitated carie 638 (78.3) 345 (79.1) 293 (77.3) χ2=0.40 0.53
Cariostat scores χ2=11.25 0.004
  Low 268 (32.9) 139 (31.9) 129 (34.0)
  Medium 232 (28.5) 107 (24.5) 125 (33.0)
High 315 (38.6) 190 (43.6) 125 (33.0)

Table 2

Comparison of caries experience of high, medium and low Cariostat scores group"

Items Cariostat score P
Low (n=268) Medium (n=232) High (n=315)
Mean decay tooth of early caries and cavitated caries
  d1-6t 13.47±3.35 13.74±3.33 14.36±3.51*# 0.006
  ft 0.34±1.18 0.52±1.43 0.66±1.64* 0.006
  d1-6ft 13.81±3.35 14.26±3.35 15.02±3.45*# < 0.001
Mean decay tooth surface of early caries and cavitated caries
  d1-6s 40.62±14.34 42.55±15.36 45.59±15.72*# < 0.001
  fs 0.51±1.96 0.72±2.15 1.04±2.84* 0.005
  d1-6fs 41.13±14.52 43.27±15.73 46.64±16.25*# < 0.001
Mean decay tooth of cavitated caries
  d3-6t 2.59±3.01 3.84±3.72* 5.64±4.41*# < 0.001
  d3-6ft 2.93±3.36 4.36±4.16* 6.30±4.83*# < 0.001
Mean decay tooth surface of cavitated caries
  d3-6s 4.76±6.34 7.38±8.84* 11.42±10.86*# < 0.001
  d3-6fs 5.27±6.87 8.10±9.56* 12.46±11.71*# < 0.001

Table 3

Distribution of incipient caries in children with incipient caries only at different Cariostat scores (n=177)"

Items Cariostat score P
Low (n=89) Medium (n=50) High (n=38)
d1-2t 11.56±3.25 11.10±3.30 11.16±4.22 0.324
d1-2s 31.13±11.73 29.68±12.60 27.39±14.63 0.577
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