The possible analgesic effect of soft-laser irradiation on heat nociceptors in the cat tongue

The possible analgesic effect of soft-laser irradiation on heat nociceptors in the cat tongue

These effects were studied by recording single-fibre discharges in the lingual nerve. A total of 11 heat nociceptors were tested and of these 60 per cent decreased their firing frequency following soft-laser (GaAlAs semiconductor laser) irradiation for 1 min; firing frequency was decreased in all th...

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Veröffentlicht in:Archives of oral biology 1988, Vol.33 (9), p.693-694
Hauptverfasser: Mezawa, Shuji, Iwata, Koichi, Naito, Kimisato, Kamogawa, Hiroyuki
Format: Artikel
Sprache:eng
Schlagworte:
Action Potentials
Analgesia - methods
Animals
Cats
Dentistry
Hot Temperature
Lasers
Lingual Nerve - physiology
Nociceptors - physiology
Nociceptors - radiation effects
Tongue - innervation
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Zusammenfassung:These effects were studied by recording single-fibre discharges in the lingual nerve. A total of 11 heat nociceptors were tested and of these 60 per cent decreased their firing frequency following soft-laser (GaAlAs semiconductor laser) irradiation for 1 min; firing frequency was decreased in all the nociceptors studied following irradiation for 3 to 10 min. The reduction in firing rate was similar between 5 and 10 min after irradiation suggesting the effect reached a plateau within this time. These findings suggest that soft-laser irradiation might have an analgesic effect on tongue pain.
ISSN:0003-9969
1879-1506
DOI:10.1016/0003-9969(88)90125-2