Straight teeth and a beautiful smile are pleasing to the eye and make us feel more confident. But the OSI (Orthodontic Society of Ireland) needs to warn people, again, about the long-term harm of ‘quick fix’, supposedly ‘cosmetic’ dentistry treatments.

I WAS interested in your report on the proposed dental factory in Ballylanders, and the reply from Mr Fintan Hourihan of the Irish Dental Association.