Dentists issued a stark warning about a new “toothpaste hack” that has taken TikTok by storm.

The viral trend involves squeezing toothpaste out of its original tube and into a clear soap dispenser. The hack was demonstrated by TikTok mum Kirsten McCready, who boasts over 40,000 followers on the platform.

In her video, she explains: “I got this hand soap dispenser and added my kids’ favourite toothpaste into it. Now when my kids want to brush their teeth they just have to push down on the…