Transitory paresis of the lateral pterygoid muscle during a posterior superior alveolar nerve block - A case report

John W. Shaner, Tarnjit S. Saini, Nicole S. Kimmes, Neil S. Norton, Paul C. Edwards

Research output: Contribution to journalReview article

1 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)532-536
Number of pages5
JournalGeneral dentistry
Volume55
Issue number6
StatePublished - Nov 1 2007

ASJC Scopus subject areas

  • Dentistry(all)

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    Shaner, J. W., Saini, T. S., Kimmes, N. S., Norton, N. S., & Edwards, P. C. (2007). Transitory paresis of the lateral pterygoid muscle during a posterior superior alveolar nerve block - A case report. General dentistry, 55(6), 532-536.