Yn 2008/09, lansiodd Llywodraeth Cymru yr ymgyrch Cynllun Gwên i wella iechyd y geg ymysg plant ac mae wedi bod yn treialu dull ataliol wrth ofalu mewn practisau deintyddol yng Nghymru.
The Welsh Government launched the Designed to Smile campaign in 2008/09 to improve children’s oral health and has been piloting a preventive approach to care in dental practices across Wales.