The highly contentious battle over fluoridated water could be picking up steam again, despite many being over it.  

New Zealand First's new Member's Bill seeks to repeal the laws from 2021 giving the Director-General of Health central decision making authority. 

It would also mandate binding local council referendums. 

Dental Association Policy Director Robin Whyman told Mike Hosking the legislation already went through the whole select committee process where the public was consulted.  

He says there was a weighing up of the pros and cons so it's not fair to say there hasn't been any input from the public, and at some point we have to stop discussing it.  

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