Periodontal ligament injection: Effects on pulp tissue

Louis Lin, Michele Lapeyrolerie, Joseph Skribner, Francis Shovlin

Research output: Contribution to journalArticlepeer-review


This study was undertaken to histologically evaluate the effects of a periodontal ligament injection of local anesthetic containing various concentrations of epinephrine on pulp tissue. Intraligamental injections of 2% lidocaine with 1:100,000 and 1:50,000 epinephrines were administered to the canine and molar teeth of cats. The animals were killed at 0, 30, and 60 min and at 1, 3, and 7 days after injection. Histological examination showed that no pathological changes in the pulps occurred in any of the experimental teeth.

Original languageEnglish (US)
Pages (from-to)529-534
Number of pages6
JournalJournal of endodontics
Issue number12
StatePublished - Dec 1985

ASJC Scopus subject areas

  • General Dentistry


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