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01.12.2015 | Research article | Ausgabe 1/2015 Open Access

BMC Oral Health 1/2015

Co-morbidities associated with molar-incisor hypomineralisation in 8 to 16 year old pupils in Ile-Ife, Nigeria

BMC Oral Health > Ausgabe 1/2015
Titus Ayodeji Oyedele, Morenike O Folayan, Comfort A Adekoya-Sofowora, Elizabeth O Oziegbe
Wichtige Hinweise
Comfort A Adekoya-Sofowora and Elizabeth O Oziegbe contributed equally to this work.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

TAO conceived the idea of the study, developed the protocol for the study, carried out the field work and took part in the data analysis and final drafting of the manuscript. MOF, CAA and EOO were involved with the study design, interpretation of the data and drafting of the manuscript. All the authors agree to the final version of the manuscript. All authors read and approved the final manuscript.



This study aimed to identify the prevalence of oral co-morbidities in 8 to 16 years old children with Molar Incisor Hypomineralisation (MIH) and compare this with the prevalence of same oral lesions in children without MIH.


Study participants were selected through a multi-staged sampling technique. The children were asked if they had dentine hypersensitivity or any concerns about their aesthetics. Children were examined for MIH, caries, traumatic dental injury and their oral hygiene status. The association between MIH and each of the independent variables was determined.


Only children with MIH had aesthetic related concerns and dentine hypersensitivity. The differences in the oral hygiene status (p < 0.001) and caries prevalence (p < 0.001) of children with and without MIH were statistically significant. The prevalence of traumatic dental injury did not differ statistically between children with MIH and those without MIH (p = 0.24).


Children with MIH had more oral pathologies than children without MIH. These co-morbidities (dentine hypersensitivity, aesthetic concerns, caries and oral hygiene) are capable of impacting negatively on the quality of life of the children. Screening for children with MIH may help facilitate prompt access to treatment.
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