Tooth discoloration is classified into three main types: extrinsic (surface), intrinsic (internal), and internalized (stains that have penetrated the tooth). Common causes include diet (coffee, tea), ...

While teeth are not supposed to be pure white, they ought not to be brown with different stains and cavities. Coffee is a major cause of tooth staining due to its dark colour and tannins that stick to ...

A dentist shares the surprising foods that stain teeth, plus how to prevent tooth stains and how to whiten teeth. Coffee and red wine take the brunt of the blame when we talk about tooth staining ...

No, there is no evidence to support that coconut oil can whiten teeth. Still, it can make them appear brighter after ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

Tobacco and coffee affect the outer layer of your teeth; if left untreated, these stains can make your teeth look unhealthy and lose their whiteness. Stained teeth can be a real confidence killer, ...