Chris Skelton/Fairfax NZ
The South Taranaki District Council's fluoride case has been bouncing around the court system since 2012.
The controversial and costly legal battle to fluoridate the water supply in two small Taranaki towns is heading back to court - again.
In October last year the South Taranaki District Council won a four-year court battle for the right to fluoridate the water supplies of Patea and Waverley.
But, that ruling has now been put in doubt.
This week the Supreme Court of New Zealand granted New Health New Zealand the right to appeal that decision...................