WARNING: GRAPHIC CONTENT

Desperate Kiwis with botched "DIY dentistry" efforts are turning up to a dental charity every month - including a man who took a power drill to the shards of his wisdom tooth.

Dr Assil Russell, founder of Revive a Smile, which has helped 10,000 people and counting, said the situation showed dentist visits needed to be subsidised for those on lower incomes.

People who tried to fix their own teeth were seen by Revive a Smile at least monthly, Russell said: "They've done a number on their teeth - left roots behind, left infection

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