The fact that tooth decay is one of the most prominent diseases on the globe today is not very surprising. But it seems more likely that refined foods and sweets of our times are not the only cause of this problem. A body belonging to a hunter-gatherer was found in Morocco that is at least 13700 years old, and shows signs of tooth decay.

Many facets of modern medicine use lasers, from ophthalmology to surgeries, and dentistry is no different. In the world of dentistry, lasers are used for hygiene sessions, for whitening reasons, for oral surgery and to disinfect teeth. Different kinds of lasers are used for each of these tasks, and many different kinds of lasers exist in the use of dentistry.