noun
- Inflammation of the tissues that support and surround the teeth, including the gums, bone, and ligaments; a serious form of gum disease.
Usage: medical/dental term; uncountable noun
Examples
- Periodontitis is a leading cause of tooth loss in adults.
- Poor oral hygiene can lead to periodontitis if plaque builds up over time.
- The dentist diagnosed her with periodontitis after noticing severe gum recession.
- Smoking increases the risk of developing periodontitis.
- Treatment for periodontitis may include deep cleaning and antibiotics.