Yes. Topical application of fluoride increases the level of fluoride on the outermost surface of the tooth, regardless of the age of the tooth. While most people tend to think of children as being more prone to cavities, adults still get decay. Women are keeping their own natural teeth longer, and root decay is a condition that is more likely to occur as we age. The key is multiple applications of fluoride with fluoridated toothpaste, possibly a home fluoride rinse or gel and in-office treatments. Your dentist or dental hygienist can prescribe the best home care and in-office treatment options based on your individual oral health care needs.