In the past, cavities used to be the usual and frequent cause of a toothache or the loss of a tooth. Now cavities are the dreaded holes in your mouth that are frightening and alarming to have. However, over the past few decades, tooth decay has been reduced dramatically. The key reason is fluoride. Despite an almost exponential increase in dental power and research information, the use of fluorides in dentistry is probably the most important single factor to explain the significant decrease in dental caries seen in most countries. …
