Diseases of Oral Cavity Tissues: Terminology

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  • 0:01 The Mouth
  • 0:22 Cheilitis & Herpes Labialis
  • 1:23 Aphthous Ulcers &…
  • 2:33 Stomatomycosis,…
  • 3:43 Lesson Summary
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Lesson Transcript
Instructor: Artem Cheprasov

Artem has a doctor of veterinary medicine degree.

This lesson will define some well-known problems of the soft tissues of the mouth generally not associated with dental disease. These include cheilitis, aphthous ulcers, stomatorrhagia, and more.

The Mouth

The very first part of your digestive system is the mouth and its tissues, like the lips. Here, you chew your food and your salivary enzymes begin breaking the food down before you even swallow it. The lips and the soft tissues lining the inside of the mouth can be affected by a lot of problems. I bet you've had at least one of these in your life. Let's see what they are.

Cheilitis & Herpes Labialis

Ashley is a very hard-working individual. She hasn't had a vacation in years but is now finally taking one because her doctor insisted she needs to relax away from the stresses of work or else she'll have a heart attack! So, she books a nice vacation to a tropical island. She hasn't seen the sun in years since she works in an office building with no windows, so Ashley goes out and sunbathes for many days on end to make up for lost sun time.

Big mistake. As a result of this massive and long-term sun exposure, Ashley develops a couple of problems:

  • Cheilitis, the inflammation and commonly cracking of the lips and even the surrounding skin. 'Cheil/o-' means 'lips' and '-itis' means 'inflammation.'
  • And she develops herpes labialis, or simply a cold sore, which are blister containing sores that develop on the lips and the adjacent skin, ones caused by the herpes virus. 'Labia-' refers to lips.

Aphthous Ulcers and Stomatorrhagia

Ashley gets really emotionally stressed out about this! And who wouldn't be stressed out about a cold sore? That stress only causes another cold sore to pop up on her lip margin and aphthous ulcers, or canker sores, to appear inside her mouth. These are basically small but painful open sores inside the mouth that have a white color to them but are surrounded by a red border.

When Ashley looks inside her mouth at these canker sores, she notices something else that's disturbing: stomatorrhagia, or bleeding from any part of the mouth. She is so freaked by this that another cold sore pops up on her lip margin from the stress. 'Stomato-' refers to the mouth and '-rrhagia' means excessive flow, as in hemorrhage or bleeding.

Ashley quickly runs off to the nearest doctor on the island. He tells her the cold sores and canker sores will go away with time on their own, but that he is worried about the bleeding from the mouth as it may be a sign of cancer. He schedules some tests for her. In the meantime, he prescribes her antibiotics for the cheilitis, as her damaged lips appear to have gotten badly infected over time.

Stomatomycosis, Trismus, & Xerostomia

Unbeknownst to Ashley, these antibiotics have now predisposed her to getting stomatomycosis, any fungal disease of the mouth stemming from a fungus, like oral thrush. '-mycosis,' in stomatomycosis, implies a fungus or a fungal disease or infection. Ashley gets another cold sore from the thought of getting another disease while on her vacation.

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