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Increase in severity of molar-incisor hypomineralization and its relationship with the colour of enamel opacity: a prospective cohort study.
Int J Paediatr Dent. 2011 Sep; 21(5):333-41.IJ

Abstract

BACKGROUND

Predicting risk of posteruptive enamel breakdown (PEB) of molar-incisor hypomineralization (MIH) opacity is a difficult but important clinical task. Therefore, there is a need to evaluate these aspects through longitudinal studies.

OBJECTIVE

The aim of this longitudinal study was to analyse the relationship between colours of MIH opacity of children aged 6-12 (baseline) and other clinical and demographic variables involved in the increase in severity of MIH.

MATERIALS AND METHODS

A blinded prospective 18-month follow-up was conducted with 147 individuals presenting mild MIH. Tooth-based incidence of increase in severity of MIH (PEB or atypical restorations) was used as dependent measurement. Enamel opacities were recorded according to colour shades of white, yellow and brown, allowing assessment of susceptibility to structural loss over time, according to colour of MIH opacity. Poisson regression models were used to adjust the results for demographic and clinical variables.

RESULTS

Brown and yellow MIH opacities were at higher risk for PEB and atypical restorations than those of white ones, even after adjustment for clinical and demographic variables.

CONCLUSION

Teeth presenting mild MIH severity associated with yellow and brown enamel opacities were at high risk for increase in severity of MIH than lighter ones. This result could help clinicians determine a risk-based treatment for children with MIH.

Authors+Show Affiliations

Department of Community Dentistry, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, São Paulo, Brazil. criscosta@fop.unicamp.brNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

21470321

Citation

Da Costa-Silva, Cristiane M., et al. "Increase in Severity of Molar-incisor Hypomineralization and Its Relationship With the Colour of Enamel Opacity: a Prospective Cohort Study." International Journal of Paediatric Dentistry, vol. 21, no. 5, 2011, pp. 333-41.
Da Costa-Silva CM, Ambrosano GM, Jeremias F, et al. Increase in severity of molar-incisor hypomineralization and its relationship with the colour of enamel opacity: a prospective cohort study. Int J Paediatr Dent. 2011;21(5):333-41.
Da Costa-Silva, C. M., Ambrosano, G. M., Jeremias, F., De Souza, J. F., & Mialhe, F. L. (2011). Increase in severity of molar-incisor hypomineralization and its relationship with the colour of enamel opacity: a prospective cohort study. International Journal of Paediatric Dentistry, 21(5), 333-41. https://doi.org/10.1111/j.1365-263X.2011.01128.x
Da Costa-Silva CM, et al. Increase in Severity of Molar-incisor Hypomineralization and Its Relationship With the Colour of Enamel Opacity: a Prospective Cohort Study. Int J Paediatr Dent. 2011;21(5):333-41. PubMed PMID: 21470321.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Increase in severity of molar-incisor hypomineralization and its relationship with the colour of enamel opacity: a prospective cohort study. AU - Da Costa-Silva,Cristiane M, AU - Ambrosano,Glaucia M B, AU - Jeremias,Fabiano, AU - De Souza,Juliana F, AU - Mialhe,Fábio L, Y1 - 2011/04/06/ PY - 2011/4/8/entrez PY - 2011/4/8/pubmed PY - 2011/12/13/medline SP - 333 EP - 41 JF - International journal of paediatric dentistry JO - Int J Paediatr Dent VL - 21 IS - 5 N2 - BACKGROUND: Predicting risk of posteruptive enamel breakdown (PEB) of molar-incisor hypomineralization (MIH) opacity is a difficult but important clinical task. Therefore, there is a need to evaluate these aspects through longitudinal studies. OBJECTIVE: The aim of this longitudinal study was to analyse the relationship between colours of MIH opacity of children aged 6-12 (baseline) and other clinical and demographic variables involved in the increase in severity of MIH. MATERIALS AND METHODS: A blinded prospective 18-month follow-up was conducted with 147 individuals presenting mild MIH. Tooth-based incidence of increase in severity of MIH (PEB or atypical restorations) was used as dependent measurement. Enamel opacities were recorded according to colour shades of white, yellow and brown, allowing assessment of susceptibility to structural loss over time, according to colour of MIH opacity. Poisson regression models were used to adjust the results for demographic and clinical variables. RESULTS: Brown and yellow MIH opacities were at higher risk for PEB and atypical restorations than those of white ones, even after adjustment for clinical and demographic variables. CONCLUSION: Teeth presenting mild MIH severity associated with yellow and brown enamel opacities were at high risk for increase in severity of MIH than lighter ones. This result could help clinicians determine a risk-based treatment for children with MIH. SN - 1365-263X UR - https://www.unboundmedicine.com/medline/citation/21470321/Increase_in_severity_of_molar_incisor_hypomineralization_and_its_relationship_with_the_colour_of_enamel_opacity:_a_prospective_cohort_study_ L2 - https://doi.org/10.1111/j.1365-263X.2011.01128.x DB - PRIME DP - Unbound Medicine ER -