Personally? No. To look after your teeth properly, you need to remove the build-up of bacteria, or plaque, on and between the teeth and gum line. That requires a toothbrush and an interdental brush or floss. Mouthwash kills surface bacteria in the short-term but won’t actually get rid of the bacteria that’s accumulating between the teeth and gumline.

It generally takes eight years to become a dentist: four years to earn a bachelor's degree as an undergraduate and four years to earn a DDS or DMD in dental school. If you're interested in specializing, you'll also need to complete a dental residency (more on that below).

How long does it take to become a dentist? It generally takes eight years to become a dentist: four years to earn a bachelor's degree as an undergraduate and four years to earn a DDS or DMD in dental school. If you're interested in specializing, you'll also need to complete a dental residency

But if you're paying for it out of pocket, the price of in-house teeth whitening at dentist practices can range from around $300 to $1,000.

Whitening toothpaste does have some superficial effect in that it can remove some surface stains, but it’s best to talk to your dentist about the most effective options, especially if the staining is deeper in your teeth.