PRIVATE dentists are cashing in with “eye-watering” price hikes as  government dithers on its election promises for NHS dentistry, campaigners said today.

New research has revealed up to 32 per cent inflation-busting rises to many treatments over the past two years.

The analysis by MyTribe Insurance, which tracks the cost of private health insurance and also different types of paid-for healthcare across Britain, found the average cost of a white filling has gone from £105 to £129 — up 23 per cent.