Dental calculus, also known as tartar is a hardened form of dental plaque that accumulates on teeth and can lead to various ...

Bronze Age populations at Nahal Refaim experienced worsening dental health during the Middle Bronze I period, followed by ...

It shaves the calculus off very gently. So it's very different to the old-fashioned methods of scraping the teeth, which would take calculus away but would also scratch the tooth's surface.

"If you could do it two to three times a week," she suggests. "Plaque sits on the teeth and turns to calculus after about ...

Calculus allows more plaque to rapidly colonise the tooth surface. This causes gum irritation and leads to an inflammatory condition called gingivitis. Persistent bad breath, known as halitosis ...