A dental nurse has volunteered to spend a fortnight in Zambia helping the less fortunate.

Rianne Dearing-Aspinall, 23, will be funding her trip through sponsorship for a 100mph zipwire ride across Mount Snowdon, despite a fear of heights.

The dental nurse, who works at Oasis Dental Care in Great Dunmow, has also secretly signed her mum up to take part.

She said: "I will be plummeting 500ft off Snowdonia Mountain at 100mph head first off the fastest zipline in the world and the longest in Europe.

"I'm insane. I don't like heights, I did a tree top challenge in the forest before and cried because I froze and couldn't move.

"I'm not good with heights, I'm just going to get strapped on and shut my eyes.

"I'm dragging my mum Julianne along, although she doesn't know, and she'll be doing it with me."

The mission is organised by Dentaid, a charity which provides oral health education projects, dental engineer training and volunteering trips.

Miss Dearing-Aspinall, of Wood Grove in Silver End, will be in Zambia between June 9 and June 23, having booked time off work to take part.

She said: "Being in this field I deal with vulnerability everyday.

"I enjoy helping people improve their oral health and remove any pain and suffering that teeth can cause.

"I am volunteering to travel more than 5,000 miles across the world to Zambia and help this third world country with what I know best - dentistry.

"What's better than helping the vulnerable children, adults and the elderly of a third world country that live in poverty everyday?"

To take part Miss Dearing-Aspinall will have to raise £2,500.

To donate visit mydonate.bt.com/fundraisers/riannedearing-aspinall1.