adjective

periodontal

pair-ee-uh-DAHN-tul/ˌperiəˈdɑːntl/

Relating to the tissues surrounding and supporting teeth.

The periodontal tissues support the tooth within its bony socket.

A close anatomical cutaway of a tooth in its socket emphasizes the gum, periodontal ligament and surrounding alveolar bone that hold the tooth in place.

Etymology

periGreekaround

+odontGreektooth

+alLatinrelating to

“Around the tooth” locates the tissues meant by periodontal. The term applies to the tissues surrounding and supporting a tooth, including the membrane lining its socket.

In context

NutritionFacts.org9:15

gingivitis gum inflammation and gum inflammation can cause periodontal disease which is inflammation in the structures that hold on to her teeth

Live Q&A with Dr. Greger of NutritionFacts.org on May 24th at 1 pm ET.

More examples

Healthy periodontal tissues help hold teeth firmly in place.
She needs periodontal treatment to control the infection around her teeth.
Daily brushing and flossing support periodontal health.

Forms

periodontal

periodontist noun — A dentist specializing in tooth-supporting tissues.

periodontics noun — The dental specialty treating tooth-supporting tissues.

Similar words

dental: Relates to teeth generally, rather than specifically their supporting tissues.
gingival: Refers specifically to gums, not all tooth-supporting tissues.