European Archives of Paediatric Dentistry

, Volume 19, Issue 3, pp 155–161 | Cite as

Impact of oral hygiene and socio-demographic factors on dental caries in a suburban population in Nigeria

  • T. A. OyedeleEmail author
  • A. D. Fadeju
  • Y. I. Adeyemo
  • C. L. Nzomiwu
  • A. M. Ladeji
Original Scientific Article



This was to determine dental caries determinants in the study participants.


This was a secondary data study extracted from primary data through a school-based study that recruited students from primary and secondary schools in a suburban population in Nigeria. The variables included age, gender, socio-economic status, oral hygiene status, type of parenting, birth rank, family size and presence of dental caries. The diagnosis of dental caries was based on the World Health Oral Health Survey recommendations while oral hygiene was determined using simplified-oral hygiene index (OHI-S). Data was analysed using STATA version 13, statistical significance was set at P < 0.05.


The prevalence of dental caries for the study population was 12.2%, DMFT and dmft were 0.16 and 0.06 respectively. Children within age groups 11–13 and 14–16 years had reduced chances of having dental caries (P = 0.01; P = 0.01); children with fair oral hygiene and poor oral hygiene had increased odds of having dental caries (P ≤ 0.001; P ≤ 0.001), last child of the family also had increased odds of having dental caries while children from large family size had reduced odds of having dental caries. This study also showed that first permanent molars and second primary molars were mostly affected by dental caries but there was no significant difference between distribution of the maxillary or mandibular jaw or between right and left quadrants.


Age, oral hygiene, birth rank and family size were the significant determinants of dental caries in the study population and the teeth mostly affected were first permanent molars and second primary molars.


Dental caries Type of parenting Oral hygiene Birth rank Family size 



The authors acknowledge the parents and pupils that participated in the study.

Author contributions

TAO conceived the idea and collected the data. FD, AYI, NCL AND LAM participated in the study design. TAO, FD, AYI, NCL AND LAM took part in data analysis and drafting of the final manuscript. All authors read and approved the final manuscript.


There was no external funding for this research; solely funded by authors.

Compliance with ethical standards

Conflict of interest

The authors declare that there were no competing interests.


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Copyright information

© European Academy of Paediatric Dentistry 2018

Authors and Affiliations

  • T. A. Oyedele
    • 1
    • 2
    Email author
  • A. D. Fadeju
    • 3
  • Y. I. Adeyemo
    • 4
  • C. L. Nzomiwu
    • 5
  • A. M. Ladeji
    • 6
  1. 1.Department of Surgery, Benjamin Carson (Snr), School of MedicineBabcock UniversityIlisan-RemoNigeria
  2. 2.Dental DepartmentBabcock University Teaching HospitalIlisan-RemoNigeria
  3. 3.Department of Child Dental Health, Faculty of DentistryObafemi Awolowo UniversityIle-IfeNigeria
  4. 4.Department of Child Dental HealthBayero University KanoKanoNigeria
  5. 5.Department of Child Oral HealthUniversity of LagosLagosNigeria
  6. 6.Department of Oral Pathology and Medicine, Faculty of DentistryLagos State University College of MedicineLagosNigeria

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