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At least 55 records · Page 3Linked to original sources
PubMed2000

Suppressive effects of Neiting acupuncture on toothache: an experimental analysis on Fos expression evoked by tooth pulp stimulation in the trigeminal subnucleus pars caudalis and the periaqueductal gray of rats.

To clarify the antinociceptive mechanism of acupuncture on acute pain, c-fos protein (Fos) expression induced by tooth pulp stimulation was immunohistochemically examined in the spinal trigeminal subnucleus pars caudalis (spVc) and the periaqueductal gray (PAG) of rats with or without Neiting acupuncture. The central projection of trigeminal ganglion neurons innervating in the tooth pulp was examined by tract-tracing method with horseradish peroxidase-conjugated wheat germ agglutinin (WGA-HRP). Central terminals from the first maxillary molar tooth were labeled transganglionically in the dorsomedial part of spVc with WGA-HRP. Numerous numbers of Fos-immunoreactive (Fos-ir) cells were found in the spVc and PAG by stimulation of the tooth pulp with acetic acid or saline. Neiting acupuncture significantly reduced the Fos expression in the spVc induced by tooth pulp stimulation. On the other hand, Neiting acupuncture evoked many Fos-ir cells in the PAG. The present results suggest that Neiting acupuncture activated PAG neurons that sent descending inhibitory fibers to medullo-spinal nociceptive neurons, and reduced the number of Fos-expressed neurons in the trigeminal subnucleus pars caudalis mediating noxious information from teeth to the higher central nervous system.

Acupuncture Analgesia↗
PubMed2003

Toothache of nonodontogenic origin: a case report.

This article describes the diagnosis and treatment of a patient exhibiting nonodontogenic tooth pain. A 25-yr-old female patient presented to postgraduate endodontics, SUNY at Stony Brook, for evaluation and treatment of pain associated with the upper and lower left quadrants. After thorough intraoral and extraoral examinations, it was determined that the pain was referred to the dentition from a trigger point in the masseter muscle. An extraoral injection of 3% Carbocaine was administered into the trigger point, and the pain abated within 5 min. The patient has experienced no recurrence of this pain for 12 months. Consideration of nonodontogenic dental pain should be included in a differential diagnosis.

Adult↗