By the age of 12, most primary teeth have been lost and secondary teeth continue to replace those teeth until adulthood. Parts of the Human Tooth. Human tooth decay anatomy diagram with description.

Find out from WebMD what can be done for teeth grinding (bruxism), as well as causes and consequences. Skip to main ... Health-care professionals sometimes refer to "primary" and "secondary" bruxism.

Green staining may occur on primary (baby) or secondary (permanent) teeth. Besides affecting how a person’s smile looks, green teeth may signal an underlying health condition. In this article ...