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Dental caries experience in children with congenital heart disease: a case-control study
C Stecksén-Blicks1, A Rydberg, L Nyman
1Pediatric Dentistry, Faculty of Medicine and Odontology, Umeå University, S-901 85 Umeå, Sweden. christina.stecksen@vll.se
Objectives:
To compare the dental health of a group of children with complex congenital heart disease with that of age and gender matched healthy controls.
Design:
Case-control study.
Setting:
Faculty of Medicine and Odontology/Pediatric cardiology and Pedodontics, Umeå University, Sweden.
Sample And Methods:
All the cases and their controls lived in the county of Västerbotten in northern Sweden. Each group comprised 41 children with a mean age of 6.5 years. Data were collected from medical and dental records while all bitewing radiographs were read separately by one of the authors.
Results:
Children with congenital heart disease had significantly more caries in their primary teeth than the control group. The mean dmfs-value was 5.2 +/- 7.0 in the cardiac group compared to 2.2 +/- 3.5 in the control group (P < 0.05). Twenty-six of the children had all four 6-year-molars, and their mean DMFS-values were 0.9 +/- 1.9 in the cardiac group compared to 0.3 +/- 0.6 in the control group (P > 0.05). The children with congenital heart disease had received more caries prevention based on the use of fluorides than the control group. There was a significant correlation between the number of fluoride varnish treatments and the dmfs value of the child (r = 0.411, P < 0.01). Fifty-two per cent of the children in the cardiac group had been prescribed fluoride tablets on one or more occasions compared to 17% in the control group (P < 0.01). Number of months on digoxin medication and the dmfs-value had a significant correlation (r = 0.368, P < 0.05). Ten of the children had been on digoxin medication between 6 and 87 months; this subgroup had a mean dmfs-value of 10.1 +/- 8.5.
Conclusion:
Swedish children with complex congenital heart disease have poorer dental health than healthy age and gender matched controls in spite of intensive preventive efforts. In many cases, intervention had been given when caries were present. A closer cooperation between paediatric cardiology and paediatric dentistry is needed.
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