Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

periodontitis

play
noun peri·odon·ti·tis \ˌper-ē-(ˌ)ō-ˌdän-ˈtī-təs\

Definition of periodontitis

  1. :  inflammation of the supporting structures of the teeth and especially the periodontal membrane



Origin of periodontitis

New Latin


First Known Use: 1872


Medical Dictionary

periodontitis

play
noun peri·odon·ti·tis \ˌper-ē-(ˌ)ō-ˌdän-ˈtīt-əs\

Medical Definition of periodontitis

  1. :  inflammation of the periodontium and especially chronic inflammation that typically follows untreated gingivitis and that results in progressive destruction of the periodontal ligament, formation of pockets around the teeth, and resorption of alveolar bone chiefly in a horizontal direction with loosening or loss of teeth—called also pericementitis




Learn More about periodontitis


Seen and Heard

What made you want to look up periodontitis? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to dishevel or rumple

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

soothe disapprove perplex reduce
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ