Dental problems are a common issue for many people. GAP is a three letter term used to describe the space between two teeth. ABSCESS is a seven letter term used to describe an infection in the gums or teeth. CARIES is a six letter term used to describe tooth DECAY caused by bacteria. DECAY is a five letter term used to describe the breakdown of a tooth due to bacteria. TARTAR is a six letter term used to describe a hard deposit on the teeth that can cause gum disease. TOOTHD is a six letter term used to describe the process of losing baby teeth. OVERBITE is an eight letter term used to describe when the upper teeth overlap the lower teeth.