Early childhood caries (ECC) is a type of dental caries in the teeth of infants and children that is represented as one of the most prevalent dental problems in this period. Various studies have reported different types of prevalence of dental caries in primary and permanent teeth in children worldwide. However, there has been no comprehensive study to summarize the results of these studies in general, so this study aimed to determine the prevalence of dental caries in primary and permanent teeth in children in different continents of the world during a systematic review and meta-analysis. In this review study, articles were extracted by searching in the national and international databases of SID, MagIran, IranMedex, IranDoc, Cochrane, Embase, ScienceDirect, Scopus, PubMed, and Web of Science (ISI) between 1995 and December 2019. Random effects model was used for analysis and heterogeneity of studies was evaluated by using the I2 index. Data were analyzed by using the Comprehensive Meta-Analysis (Version 2) software. In this study, a total of 164 articles (81 articles on the prevalence of dental caries in primary teeth and 83 articles on the prevalence of dental caries in permanent teeth) were entered the meta-analysis. The prevalence of dental caries in primary teeth in children in the world with a sample size of 80,405 was 46.2% (95% CI: 41.6–50.8%), and the prevalence of dental caries in permanent teeth in children in the world with a sample size of 1,454,871 was 53.8% (95% CI: 50–57.5%). Regarding the heterogeneity on the basis of meta-regression analysis, there was a significant difference in the prevalence of dental caries in primary and permanent teeth in children in different continents of the world. With increasing the sample size and the year of study, dental caries in primary teeth increased and in permanent teeth decreased. The results of this study showed that the prevalence of primary and permanent dental caries in children in the world was found to be high. Therefore, appropriate strategies should be implemented to improve the aforementioned situation and to troubleshoot and monitor at all levels by providing feedback to hospitals.

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Dental caries in primary and permanent teeth in children’s worldwide, 1995 to 2019: a systematic review and meta-analysis

Severe tooth decay is known to affect the health and well-being of young children. However, little is known about the influence of Severe Early Childhood Caries (S-ECC) on childhood nutritional status. The purpose of this study was to contrast ferritin and haemoglobin levels between preschoolers with S-ECC and caries-free controls. Children were recruited as part of a larger case–control study examining differences in nutritional status between those with and without S-ECC. Preschoolers with S-ECC were recruited on the day of their dental surgery, while caries-free controls were recruited from the community. Parents completed a questionnaire and the child underwent venipuncture. The study was approved by the University’s Health Research Ethics Board. Statistics included descriptive, bivariate and logistic regression analyses. A p value ≤ .05 was significant. A total of 266 children were recruited; 144 with S-ECC and 122 caries-free. The mean age was 40.8 ± 14.1 months. The mean ferritin concentration for all children was 29.6 ± 17.9 μg/L while the mean haemoglobin level was 115.1 ± 10.1 g/L. Children with S-ECC were significantly more likely to have low ferritin (p=.033) and low haemoglobin levels (p>.001). Logistic regression analyses revealed that children with S-ECC were nearly twice as likely to have low ferritin levels and were over six times more likely to have iron deficiency anaemia than caries-free controls. Children with S-ECC appear to be at significantly greater odds of having low ferritin status compared with caries-free children and also appear to have significantly lower haemoglobin levels than the caries-free control group. Children with S-ECC also appear to be at significantly greater odds for iron deficiency anaemia than cavity-free children.

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Association between iron status, iron deficiency anaemia, and severe early childhood caries: a case-control study.

The aim of this study was to assess the prevalence of early childhood caries (ECC) in children and investigate the influence of sociodemographic variables, quality of oral hygiene and child-related aspects. A cross-sectional study was carried out with 593 children aged three to five years. Data were collected through clinical examinations and interviews with parents. Interviews with parents of the children were conducted to acquire information on sociodemographic aspects, breastfeeding, bottle feeding and harmful oral habits. Statistical analysis involved the chi-square test and the Poisson regression. The prevalence of ECC was 53.6%. The occurrence of ECC was greater among children with unsatisfactory oral hygiene (PR: 2.95; 95% CI: 2.42-3.60) and those from a family with a lower monthly household income (PR: 1.62; 95% CI: 1.24-2.10). In conclusion, unsatisfactory oral hygiene and monthly income exerted an influence on the occurrence of ECC among preschoolers.

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Factors associated with the development of early childhood caries among Brazilian preschoolers

Wigen TI, Espelid I, Skaare AB, Wang NJ. Family characteristics and caries experience in preschool children. A longitudinal study from pregnancy to 5 years of age. Community Dent Oral Epidemiol 2011; 39: 311–317. © 2010 John Wiley & Sons A/S



Abstract –  Objective:  The purpose of the study was to explore associations between family status, family income, family size, mother’s age at child birth, mother’s education and parents’ national background and caries experience in 5-year-old children.



Method:  This study is based on data from the Norwegian Mother and Child Cohort Study conducted by the Norwegian Institute of Public Health and the Public Dental Services. A total of 1348 children were followed from pregnancy to the age of 5 years. Questionnaires were completed by mothers twice during pregnancy and when the children were 3 and 5 years of age. Clinical and radiographic examination of the children was performed at the age of 5 years.



Results:  Caries experience in the 5-year-old children was low; 89% had no caries experience (d3–5 mft = 0). In multiple logistic regression having one or both parents of non-western origin (OR 3.4, CI 1.6–7.3), having had a change in family status from pregnancy to 5 years of age (OR 2.0, CI 1.1–3.4) and having mother with low education (OR 1.9, CI 1.3–2.8) were statistically significant risk indicators for having caries experience at the age of five.



Conclusion:  Family characteristics in pregnancy and early life were associated with caries experience in 5-year-old children. Primary care personnel meeting young children with one or several of these characteristics should consider referring the child to dental personnel to enable early initiation of health-promoting activities.

Family characteristics and caries experience in preschool children. A longitudinal study from pregnancy to 5 years of age.

:Clara Maria Arango Lince (b) Marisela Cossio Jaramillo (c) (a)DDS, MSc in Epidemiology, Assistant Professor; (b) DDS, Professor; (c) Graduate Student in Pediatric Dentistry – Department of Pediatric Dentistry and Cariology, School of Dentistry, CES University, Colombia. Pediatric Dentistry Corresponding author: Alexandra Saldarriaga Cadavid Health Science and Research Department, CES University Calle 10 N° 22-04 El Poblado Medellin - Colombia E-mail: asaldarriaga@ces.edu.co Received for publication on Jun 23, 2009 Accepted for publication on Nov 10, 2009 Dental caries in the primary dentition of a Colombian population according to the ICDAS criteria This paper describes the results of a cross-sectional study con-ducted with a randomized sample of 447 low-income children between 2.5 and 4 years of age selected from the files of a health institution in Medellin, Colombia. The patients were examined in 2007 using the modified criteria of the International Caries Detection and Assessment System (ICDAS); the first caries code was not used. Clinical examination was carried out by three examiners previously trained in the ICDAS. The inter-examiner agreement was rated as good (kappa 0.73 - 0.82). The prevalence of untreated caries was 74.7% (335) with a mean of 9.7 ± 9.4 affected surfaces. The prevalence of caries (treated and untreated) was 74.9% (335). The mean dmf-s was 7.6 ± 9.7. The prevalence of non-cavi-tated lesions on at least one tooth surface was 73.4%. Cavitated lesions were more frequent on smooth surfaces than on occlusal surfaces (re-spectively 64.7% and 46.8%; p value < 0.001). Only 25.1% (112.5) of the children had no clinical signs of caries according to the ICDAS cri-teria. It was concluded that dental caries is a highly prevalent condition in this Colombian population, the main contributor being non-cavitated lesions. There was an association between caries and oral hygiene prac-tices, such as the amount of toothpaste used, and also between caries and the occurrence of a previous dental visit (p value < 0.00). Eating habits constituted no statistically significant association.Descriptors: Dental caries; Prevalence; Dentition, primary.

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Dental caries in the primary dentition of a Colombian population according to the ICDAS criteria

PURPOSE The purposes of this study were to: (1) determine the prevalence of early childhood caries (ECC) among young children accessing dental services at a community dental clinic; (2) identify factors associated with the presence of ECC; and (3) determine the percentage of children who received treatment for ECC in this setting and the number who required referral to specialists. METHODS The study population comprised children younger than 72 months attending the clinic between 1991 and 2004. A chart review was conducted. RESULTS Eight hundred thirty-four charts met inclusion criteria; 71% had ECC, while the mean deft was 3.7+/-3.9 (SD). The average age at the first visit was 50.0+/-12.7 (SD) months. Those with ECC were significantly older at the first visit (P<.001), and the prevalence increased with family size (P=.011) and number of siblings (P=.019). ECC children were significantly more likely to come from households with lower monthly incomes (P=.033). The prevalence of ECC did not vary according to specific areas in Winnipeg where children resided (P=.20). CONCLUSIONS Key risk factors for ECC included: (1) the child's sex; (2) low monthly income; (3) whether the child resided with both parents; and (4) a history of foiled dental visits. These data may assist in identifying children at greatest risk for ECC and may help public health agencies develop appropriate prevention strategies, including promoting early dental visits for infants.

Cheba

Papers

Determining the prevalence and risk factors for early childhood caries in a community dental health clinic.