"A tooth infection can kill you, but rarely," warns a Cleveland Clinic expert. Here's how to recognize the risks and how it can escalate.

Smoking and other tobacco use can cause oral health problems like gum disease and tooth decay. Tooth decay is the destruction of tooth structure and can affect both the enamel and the dentin layer ...

Illustration shows complex biostructure of dentin: the dental tubuli (yellow hollow cylinders, diameters appr. 1 micrometer) are surrounded by layers of mineralized collagen fibers (brown rods).