Document Detail

Transitory paresis of the lateral pterygoid muscle during a posterior superior alveolar nerve block--a case report.
MedLine Citation:
PMID:  18050579     Owner:  NLM     Status:  MEDLINE    
The posterior superior alveolar nerve (PSAN) is a major sensory branch of the maxillary division of the trigeminal nerve. A PSAN block is a dental nerve block used for profound anesthesia of the maxillary molars. Complications arising from the PSAN block include hematoma formation, transient diplopia, blurred vision, and temporary blindness. This article presents a case of temporary paresis in the lateral pterygoid muscle following a PSAN block that utilized a 27-gauge long needle. The anatomical parameters and pathogenesis of such a complication are reviewed.
John W Shaner; Tarnjit S Saini; Nicole S Kimmes; Neil S Norton; Paul C Edwards
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  General dentistry     Volume:  55     ISSN:  0363-6771     ISO Abbreviation:  Gen Dent     Publication Date:    2007 Nov-Dec
Date Detail:
Created Date:  2007-12-03     Completed Date:  2008-01-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7610466     Medline TA:  Gen Dent     Country:  United States    
Other Details:
Languages:  eng     Pagination:  532-6     Citation Subset:  D    
Department of General Dentistry, Creighton University Medical Center, School of Dentistry, Omaha, Nebraska, USA.
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MeSH Terms
Anesthetics, Local / adverse effects
Lidocaine / adverse effects
Maxillary Nerve / drug effects*
Nerve Block / adverse effects*
Paresis / chemically induced*
Pterygoid Muscles / drug effects*,  innervation,  physiopathology
Reg. No./Substance:
0/Anesthetics, Local; 137-58-6/Lidocaine

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