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Examining the Mouth

Function


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In the mouth the TEETH mechanically break up food into small particles before it is swallowed. The salivary glands-parotid, submaxillary, and sublingual-secrete saliva, which moistens the food, makes it easier to chew, and lubricates the food mass to aid in swallowing. About 1,500 ml of saliva are secreted daily. Saliva contains one principal enzyme, ptyalin, which initiates chemical digestion of starches, breaking them into the complex sugar maltose.

The TONGUE is a muscular organ attached to the lower jaw at the back of the mouth and is the chief organ of taste. It assists in mastication, swallowing, and speech. PHARYNX

The pharynx (see The Respiratory System) is the passageway between the mouth and the esophagus and is shared with the respiratory tract. The EPIGLOTTIS is a cartilaginous flap that closes the opening to the larynx when food is being swallowed down the pharynx. Food is deflected away from the trachea to prevent particle aspiration.

Exam

The patient must open mouth widely. With a good light and tongue blade inspect the inner cheeks (Buccal mucosa) for color, ulcers, white patches.

Teeth — check for:

  • Caries

  • Broken teeth.

Gums — check for:

  • Iinfection

  • Inflammation

  • Swelling

  • Bleeding.

Tongue — look at the top, bottom and sides.

Throat (Pharynx) — With mouth open:

  • Ask patient to say "ah" if you can not see the pharynx use a tongue blade. 

  • Ask for an "ah" and note the rise of the soft palate ( a test for the 10th, Vagus cranial nerve). 

  • Inspect the soft palate, anterior and posterior pillars, uvula, tonsils and posterior pharynx. 

  • Note any evidence of exudate, swelling, ulceration or tonsillar enlargement. 

  • White patches of exudate associated with redness and swelling suggest acute exudative pharyngitis (strep).


For further information, read:

Otorhinolaryngology, in The SeaBee Operational Medical and Dental Guide

Aviation Ear Nose and Throat Medicine, in Operational Settings

ENT in Hospital Corpsman Sickcall Screeners Handbook


 

 

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The listing of any non-Federal product in this CD is not an endorsement of the product itself, but simply an acknowledgement of the source. 

Bureau of Medicine and Surgery
Department of the Navy
2300 E Street NW
Washington, D.C
20372-5300

Operational Medicine
 Health Care in Military Settings
CAPT Michael John Hughey, MC, USNR
NAVMED P-5139
  January 1, 2001

United States Special Operations Command
7701 Tampa Point Blvd.
MacDill AFB, Florida
33621-5323

*This web version is provided by The Brookside Associates Medical Education Division.  It contains original contents from the official US Navy NAVMED P-5139, but has been reformatted for web access and includes advertising and links that were not present in the original version. This web version has not been approved by the Department of the Navy or the Department of Defense. The presence of any advertising on these pages does not constitute an endorsement of that product or service by either the US Department of Defense or the Brookside Associates. The Brookside Associates is a private organization, not affiliated with the United States Department of Defense.

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