Tartar (also called calculus), is plaque which has hardened on the teeth. It may form at and below the gumline. Tartar can irritate the gum tissues and it provides plaque a larger surface area to grow ...

As our closest living relatives, chimpanzees are one of the best analogues for some of our own ancient behaviours. However, our understanding of fundamental behaviours such as diet is limited by ...

Most dentists recommend a proper teeth cleaning every six months to prevent, among other things, the implacable buildup of calculus or tartar -- hardened dental plaque. Routine calculus buildup can ...

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