According to periodontist Dr. Al Danenberg, there are surprisingly easy-to-spot signs that some may have poor dental health, including bad teeth, often without them even realizing it.

Learn how dental fillings work, the different types available, and when alternatives like crowns or inlays may be needed.

Poor oral hygiene can cause problems ranging from cavities and tooth sensitivity to advanced gum disease. However, proper oral hygiene and regular checkups can easily prevent most dental problems.