Child Dental dental Survey shows 38 % of 15 year olds and 34 % of 12 year olds had ' obvious decay ' in their permanent teeth . Slight reduction in cases over the last decade , but experts warn large numbers of children ' s to be affected by disease ' Children said they are so embarrassed by their teeth they wo n't smile .
Child Dental Health Survey shows 46 % of 15 year olds and 34 % of 12 year olds had 'obvious decay ' in their permanent teeth . Slight reduction in cases over the last decade , but experts warn large number of children 'continue to be affected by disease ' Children said they are so embarrassed by their teeth they wo n't smile .