title: Co-morbidities associated with molar-incisor hypomineralisation in 8 to 16 year old pupils in Ile-Ife, Nigeria.
abstract: BACKGROUND
  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.
  
  
  METHODS
  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.
  
  
  RESULTS
  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).
  
  
  CONCLUSIONS
  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.
authors.affiliation: Department of Child Dental Health, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Nigeria. ayotitus4christ@gmail.com.
authors.forename: Titus Ayodeji
authors.initials: TA
authors.lastname: Oyedele
authors.affiliation: Department of Child Dental Health, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Nigeria. toyinukpong@yahoo.co.uk.|Department of Child Dental Health, Obafemi Awolowo University, Ile-Ife, Nigeria. toyinukpong@yahoo.co.uk.
authors.forename: Morenike O
authors.initials: MO
authors.lastname: Folayan
authors.affiliation: Department of Child Dental Health, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Nigeria. casofowora@gmail.com.|Department of Child Dental Health, Obafemi Awolowo University, Ile-Ife, Nigeria. casofowora@gmail.com.
authors.forename: Comfort A
authors.initials: CA
authors.lastname: Adekoya-Sofowora
authors.affiliation: Department of Child Dental Health, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Nigeria. elioziegbe@yahoo.com.|Department of Child Dental Health, Obafemi Awolowo University, Ile-Ife, Nigeria. elioziegbe@yahoo.com.
authors.forename: Elizabeth O
authors.initials: EO
authors.lastname: Oziegbe
mesh_terms: D000293:Adolescent; D002648:Child; D015897:Comorbidity; D003731:Dental Caries / Q000453:epidemiology; D003744:Dental Enamel Hypoplasia / Q000453:epidemiology*; D003807:Dentin Sensitivity / Q000453:epidemiology; D004955:Esthetics, Dental; D005260:Female; D006801:Humans; D008297:Male; D009549:Nigeria / Q000453:epidemiology; D009911:Oral Hygiene Index; D015995:Prevalence; D018881:Suburban Health / Q000706:statistics & numerical data; D014076:Tooth Diseases / Q000453:epidemiology*; D018677:Tooth Injuries / Q000453:epidemiology