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impaction
(redirected from impactions)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
impaction [im′pak·shən]
(medicine)
The state of being lodged and retained in a body part.
Confinement of a tooth in the jaw so that its eruption is prevented.
A condition in which one fragment of bone is firmly driven into another fragment so that neither can move against the other.


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? Mentioned in ? References in periodicals archive
 
We adjusted the number of colonies recovered on the air sample plates for possible multiple impactions using the positive-hole correction equation (Andersen 1958).
For three years, the woman had been unable to move her upper and lower extremities voluntarily, so she had a urinary catheter and was subject to frequent fecal impactions.
Nasal impactions are often witnessed by an adult or reported by the child.
 
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