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BMC Oral Health. 2016 Jul 7;17(1):8. doi: 10.1186/s12903-016-0236-6.

Prevalence of developmental dental hard-tissue anomalies and association with caries and oral hygiene status of children in Southwestern, Nigeria.

Author information

1
Department of Child Oral Health, College of Medicine, University of Ibadan, Oyo State, Nigeria. olubukolap@gmail.com.
2
Department of Child Oral Health, Faculty of Dentistry, College of Medicine, University of Ibadan, Oyo State, Nigeria. olubukolap@gmail.com.
3
Department of Child Dental Health, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Nigeria.
4
Department of Child Dental Health, Obafemi Awolowo University, Ile-Ife, Nigeria.

Abstract

BACKGROUND:

Developmental dental hard tissue anomalies are often associated with oral health problems. This study determined the clinical prevalence of developmental dental hard tissue anomalies in the permanent dentition of children resident in southwestern Nigeria and its association with dental caries and poor oral hygiene status.

METHODS:

This was a cross-sectional study recruiting 1565 school children, 12 to 15 year old attending schools in Ibadan, Oyo State and Ile-Ife, Osun State. All eligible study participants had oral examinations conducted to determine presence of developmental hard dental tissue anomalies, caries and oral hygiene status. The prevalence of developmental dental hard tissue anomalies was determined. Logistic Poisson regression was used to determine the association of between developmental dental hard tissue anomalies, caries and oral hygiene status.

RESULTS:

Only 65 (4.2 %) children had clinically diagnosed developmental dental hard tissue anomalies. The most prevalent anomaly was enamel hypoplasia (2.2 %). More females (p = 0.003) and more children with middle socioeconomic class (p = 0.001) had enamel hypoplasia. The probability of having poor oral hygiene was significantly increased for children with developmental dental anomalies (APR: 0.07; 95 % CI: 0.03 - 0.12; p = 0.002). The probability of having caries was insignificantly increased for children with developmental dental hard tissue anomalies (APR: 0.005; 95 % CI: -0.03 - 0.04; p = 0.08).

CONCLUSION:

The most prevalence clinically detectable developmental dental hard tissue anomalies for the study population was enamel hypoplasia. The presence of developmental dental hard tissue anomalies significantly increased the chances of having poor oral hygiene but not caries. Further studies are required to understand if poor oral hygiene is associated with dental caries in children with developmental dental hard tissue anomalies.

KEYWORDS:

Anomalies; Dental caries; Dental hard-tissue; Developmental; Oral hygiene

PMID:
27430583
PMCID:
PMC4948098
DOI:
10.1186/s12903-016-0236-6
[Indexed for MEDLINE]
Free PMC Article

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