posterior superior alveolar nerve block
Mosby's Dental Dictionary:
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posterior superior alveolar nerve block
n
An injection used to anesthetize pulp tissue and facial periodontium of the ipsilateral maxillary molars. It does not always anesthetize the mesiobuccal root of the first molar.
Posterior superior alveolar nerve block. (Daniel/Harfst, 2002, courtesy of the OHSU Department of Dental Hygiene)
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Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved.
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