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Dental anomalies in primary dentition and their corresponding permanent teeth

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Abstract

Objectives

The objectives of this paper are to estimate the prevalence of dental anomalies in primary dentition in a sample of 2- to 5-year-old Brazilian preschool children, determine their distribution, and investigate their occurrence in the succedaneous teeth of the sample compared with a control group of children with no dental anomalies in the primary dentition.

Materials and methods

The one-stage sample comprised 1,718 two to five-year-old children with fully erupted primary dentition clinically examined for dental anomalies. All children presenting dental anomalies underwent panoramic radiographs. Descriptive statistics were performed for the studied variables. A control group matched by sex and age was studied to compare the prevalence ratio for dental anomalies in the permanent dentition.

Results

The prevalence of dental anomalies in the primary dentition was 1.8 %, with no significant statistical difference between sexes. Double teeth were the most frequently observed. Dental anomalies on the succedaneous permanent teeth were diagnosed in 54.8 % of the children with affected primary dentition. The prevalence ratio (PR) for dental anomalies in the succedaneous permanent teeth was 17.1 (confidence interval (CI) 5.33–54.12) higher compared with the control group, higher in children with bilateral anomalies (PR = 31.2, CI 10.18–94.36).

Conclusions

An association between anomalies of the permanent dentition and the presence of dental anomalies in primary teeth was observed, especially when they occur bilaterally.

Clinical relevance

The results in the present study have a clinical relevance in the diagnosis of children with dental anomalies in primary dentition. Early identification of these anomalies can aid the dentist in planning dental treatment at the appropriate time.

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Acknowledgments

We are grateful to the parents that allowed their children to participate on this study. We thank André Ferreira Leite for his assistance in the statistical analysis. The study was supported by Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—CAPES Foundation.

Conflict of interest

The authors declare that they have no conflict of interest.

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Authors and Affiliations

  1. Oral Care Center for Inherited Diseases, University Hospital of Brasília, Brasília, Brazil

    R. R. Gomes, J. A. C. Fonseca, L. M. Paula, A. C. Acevedo & H. D. Mestrinho

  2. Department of Dentistry, School of Health Science, University of Brasília, Brasília, Brazil

    R. R. Gomes, J. A. C. Fonseca, L. M. Paula, A. C. Acevedo & H. D. Mestrinho

  3. Faculdade de Ciências da Saúde, Laboratório de Histopatologia Bucal, Campus Universitário Darcy Ribeiro, Avenida L2 Norte, Brasília, CEP: 72400-000, Brazil

    R. R. Gomes

Authors
  1. R. R. Gomes
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  2. J. A. C. Fonseca
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  3. L. M. Paula
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  4. A. C. Acevedo
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  5. H. D. Mestrinho
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Corresponding author

Correspondence to R. R. Gomes.

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Gomes, R.R., Fonseca, J.A.C., Paula, L.M. et al. Dental anomalies in primary dentition and their corresponding permanent teeth. Clin Oral Invest 18, 1361–1367 (2014). https://doi.org/10.1007/s00784-013-1100-6

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  • DOI: https://doi.org/10.1007/s00784-013-1100-6

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