Just over 27% of children in Wales were found to have experienced tooth decay in a new survey, which had fallen from 32.4% the previous year.
The NHS Wales Dental Epidemiology Programme survey examined the teeth of 8,526 children across Wales in the 2024/5 academic year.
It found that in an average class of 30 children, eight were likely to have experienced tooth decay. This had decreased from 14 in 30 in 2007/8, showing a long-term downward trend in levels of childhood decay.
However, the survey found that in children who do have decay, multiple teeth were likely to be affected – an average of 3.51.
How does tooth decay impact Welsh children?
Parents and carers reported that one quarter of children who had experienced decay had suffered with dental pain within the past year. Overall, 17.7% of parents reported that their child’s oral health had negatively impacted their quality of life. This rose to 39% among children with tooth decay.
The survey also noted that significant inequalities were apparent linked to socioeconomic background. Children living in deprived areas were more likely to experience tooth decay and have more teeth affected than those in the least deprived areas.
Paul Brocklehurst, consultant in dental public health at Public Health Wales, said: ‘It is very encouraging to see continued reductions in both the number of children affected by tooth decay and the overall severity of disease. This represents a significant public health achievement. However, it is clear that too many children, particularly those living in more deprived areas, are still experiencing preventable dental disease.
‘Establishing good habits early in life is vital. A diet low in sugar, brushing twice a day with an age-appropriate fluoride toothpaste, and regular dental attendance give children the best possible start. These findings show why continued investment in prevention and targeted support for families who need it most remains so important.’
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