Have you ever wondered why people have wisdom teeth? These are a third set of molars that come in behind the rest of all your other teeth, usually during early adulthood. Scientists and anthropologists believe that wisdom teeth are a result of evolution, because our ancestors needed these extra teeth to handle their primitive diets. Nowadays, the average diet consists of fewer hard-to-chew foods, which renders wisdom teeth largely superfluous.

The idea for Earth Day was the brainchild of Gaylord Nelson, a senator from Wisconsin. He envisioned an Earth Day that would be a kind of environmental teach-in. The first Earth Day celebration took place on April 22, 1970, and a surprising 20 million people participated on that day. Ultimately, it became the largest organized celebration in US history.

It’s a bit of a contradiction: you are justifiably proud of your beautiful dental work, but you don’t want it to be obvious when you smile. Dental prosthetics such as veneers and crowns should blend perfectly with your natural teeth. If you have noticed your veneers are a different shade than your other teeth, or have a crown that is visibly darker than the teeth surrounding it, you are probably wondering if there is any way to lighten and whiten an artificial tooth surface. There is no one right answer, but let’s examine a few common scenarios to find the best solution for you.

The Importance of Facial Protection

Americans from all walks of life should mark April as National Facial Protection Month on their calendars. The American Association of Pediatric Dentistry, Academy for Sports Dentistry, American Academy of Pediatric Dentistry, and American Association of Oral and Maxillofacial Surgeons have combined forces to sponsor this annual campaign, which aims to educate and remind us of the importance of protecting our face and teeth against impacts and injuries.