Hull City Council has proposed controversial plans to add fluoride to the city's water as part of a drive to tackle tooth decay.
Dentist Andrew Stuart is backing the proposal saying many children in the city have decaying teeth, more than most areas of the country.
Adding fluoride, as well as educating children, he says, would help fight this.
The proposals are estimated to cost around £300,000 to bring in, and £100,000 annually to run.
Liberal Democrat Councillor Mike Ross says putting fluoride in water takes the choice out of residents' hands:
Any plans would need support from neighbouring East Riding Council. The county's Dental Committee support the moves: