By Martin Bagot Sir Keir Starmer has praised the Mirror’s campaign to save NHS dentistry – but said “you shouldn’t have to do this”. The Labour Party leader gave his backing to our campaign as its online petition demanding the service be made fit for the 21st century hit 216,000 signatures. It comes after most dentists have stopped taking on new adult patients and as the Mirror has been inundated with readers’ tales of pain and DIY dentistry. On a visit to the Mirror’s headquarters, Sir Keir said: “Did you ever think that in 2024 we would be having a conversation about whether we can have basi…