Understand dental terminology with clear, simple explanations. No jargon, no confusion — just easy-to-understand definitions for every dental term you’ll encounter.
Understanding dental terminology empowers you to make informed decisions about your oral health. When your dentist recommends a procedure, you’ll know exactly what they mean.
This dictionary is regularly updated with new terms and is designed to be your go-to reference for all things dental. Bookmark this page and come back whenever you need clarity.
A pocket of pus that forms due to a bacterial infection, usually at the root of a tooth or in the gums.
The habit of grinding or clenching your teeth, often during sleep. It can cause jaw pain and wear down teeth over time.
Hardened plaque (also called tartar) that forms on teeth when plaque isn’t removed through regular brushing and flossing.
A hole in a tooth caused by decay. It happens when bacteria produce acids that eat away at the tooth enamel.
A cap placed over a damaged tooth to restore its shape, size, and strength. Can also refer to the visible part of a tooth above the gum line.
The layer of tooth tissue beneath the enamel. It’s softer than enamel and can become sensitive when exposed.
The hard, outer layer of the tooth that protects it from decay. It’s the hardest substance in the human body.
A mineral that helps strengthen tooth enamel and prevent cavities. Found in toothpaste, mouthwash, and some water supplies.
The earliest stage of gum disease, caused by plaque buildup. Symptoms include red, swollen gums that may bleed when brushing.
When a tooth is unable to fully emerge through the gum, often seen with wisdom teeth.
Misalignment of the teeth when the jaws are closed. Includes overbites, underbites, and crossbites.
Advanced gum disease that damages the soft tissue and bone supporting the teeth. Can lead to tooth loss if untreated.
A sticky film of bacteria that constantly forms on teeth. If not removed, it can harden into calculus and cause decay.
A treatment used to repair and save a tooth that is badly decayed or infected, by removing the damaged pulp inside.
A professional cleaning procedure that removes plaque and tartar from above and below the gum line.
A thin shell of porcelain or composite material bonded to the front of a tooth to improve its appearance.