Ultrastructure and degeneration analysis of the nerve fibres of the tooth pulp in the cat

Erzsébet Fehér, K. Csányi, J. Vajda

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

An attempt was made to distinguish somatic sensory nerve fibres from autonomic postganglionic sympathetic nerves in tooth pulp by secondary degeneration. Pulps were compared after transection of the inferior alveolar nerve, after extirpation of the superior cervical sympathetic ganglion and after both operations performed at the same time (total neural isolation). About 15 per cent of the nerves in normal feline pulps were myelinated and about 85 per cent unmyelinated. Only 1.5 per cent contained granular vesicles 30-50 nm or 80-120 nm in diameter. After transection of the alveolar nerve, all myelinated as well as some unmyelinated fibres degenerated. Degenerated fibres contained no vesicles. After extirpation of the ganglion, only a few degenerating unmyelinated fibres were observed; some contained 80-100 nm diameter granular vesicles. Two months after total neural isolation, the pulp contained no nerve fibres.

Original languageEnglish
Pages (from-to)699-704
Number of pages6
JournalArchives of Oral Biology
Volume22
Issue number12
DOIs
Publication statusPublished - 1977

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Dentistry(all)
  • Cell Biology

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