Sensory response to thermal stimulation in human teeth

Trowbridge, Henry O.; Franks, Michael; Korostoff, Edward; Emling, R C

doi:10.1016/s0099-2399(80)80216-0

Cited by 116 publications

(86 citation statements)

References 7 publications

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“…This is in agreement with the nature and quality of the perceived sensation using cold stimulation of the tooth (Hensel & Mann, 1956;Naylor, 1964;Trowbridge et al 1980;Ahlquist et al 1984).…”

Section: Discussionsupporting

confidence: 84%

“…For eleven cold-sensitive Ad and C fibres the receptive fields were determined by mechanical stimulation of the exposed pulp tissue. For Ad fibres the receptive INTRODUCTION It is well known that cold applied to the teeth is a potent stimulus in producing dental pain in man (Hensel & Mann, 1956;Naylor, 1964; Trowbridge, Franks, Korostoff & Emling, 1980; Ahlquist, Edwall, Franzen & Haegerstam, 1984). The quality of the perceived sensation depends on the clinical status of the tooth tested and the magnitude of the stimulus used, but is usually described as a sharp, welllocalized pain.…”

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confidence: 99%

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Cold stimulation of teeth: a comparison between the responses of cat intradental A delta and C fibres and human sensation.

Jyväsjärvi

Kniffki

1987

The Journal of Physiology

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SUMMARY1. In nembutal-anaesthetized cats, the responses of intradental Ad and C fibres to rapid cooling of the crown of canine teeth were studied.2. Single-unit recordings were obtained from a total of eighty-six intradental Ad and C fibres. The mean conduction velocity of Ad fibres was 13-9 m/s (n = 43; range: 3-6-26-0 m/s), that of C fibres was 1-3 m/s (n = 43; range: 05-2-2 m/s).3. In the intact tooth none of the identified Ad or C fibres showed any ongoing activity in the absence of intentional stimulation.4. 84% of the Ad fibres (thirty-six out of forty-three) and 88% of the C fibres (thirty-eight out of forty-three) were excited by cold stimulation of the canine tooth they were innervating.5. For all cold-sensitive Ad fibres the responses to rapid lowering of the tooth temperature were rather uniform. After an initial high-frequency discharge during the most rapid change in temperature, the discharge rate fell as the rate of change of temperature became smaller, and firing stopped completely when the temperature had reached a steady level. No firing occurred as the tooth temperature returned to its initial value. 6. A good linear correlation (r = 089) was found between the initial dynamic discharge of responding Ad fibres and the maximum rate of change of temperature achieved in a particular experiment.7. The response behaviour of C fibres to rapid cooling of the tooth was also rather uniform but different from that of Ad fibres. For C fibres no initial dynamic response phase was observed. After a mean latency of 7-3 s the fibres began to discharge regularly at a low rate at a time when the change of tooth temperature was already small.8. The firing rate of the C fibres had a weak linear correlation (r = 06) with the static tooth temperature achieved. No discharge was observed as the temperature returned to its initial value.9. For eleven cold-sensitive Ad and C fibres the receptive fields were determined by mechanical stimulation of the exposed pulp tissue. For Ad fibres the receptive * Present address: Department of Physiology, University of Helsinki, Siltavuorenpenger 20 J, SF-00170 Helsinki, Finland.PHY 391 E. JYVASJARVI AND K.-D. KNIFFKI fields were located at the pulp-dentine border, those for C fibres were located much deeper in the pulp and tended to have higher mechanical thresholds.10. When a human tooth was stimulated by a similar cold stimulus as used in the animal experiments, the sensation evoked and rated by the subjects using a fiftypoint categorical division procedure was described as a sharp, shooting pain being localized strictly to the tooth tested. Sensations other than pain were not perceived.11. Comparing the pain ratings of human subjects with the response characteristics of feline intradental Ad and C fibres to cold stimulation of a tooth, it is concluded that Ad fibres with the properties found in the cat are probably responsible for the cold-evoked dental pain sensation in man.

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Section: Discussionsupporting

confidence: 84%

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confidence: 99%

Cold stimulation of teeth: a comparison between the responses of cat intradental A delta and C fibres and human sensation.

Jyväsjärvi

Kniffki

1987

The Journal of Physiology

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“…All specimens were stored in 0.2% solution of thymol in distilled water until testing. The pulp chamber of the base tooth was cleaned and filled with Plastibase (Squibb), a silicate compound with thermal properties similar to pulp tissue [9]. During testing, the disks were placed on the base tooth and sealed with Plastibase to prevent air from getting between the dentin disk and base tooth, which would create thermal discontinuity.…”

Section: Methodsmentioning

confidence: 99%

In vitro temperature change at the dentin/pulpal interface by using conventional visible light versus argon laser

2000

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“…Approved methods which are based on electric and thermal stimulation exist for humans (Hensel and Mann 1956, Naylor 1964, Trowbridge et al 1980, Ahlquist et al 1984. Certosimo and Archer (1996) used an electric pulp tester to predict the efficacy of local anaesthesia prior to surgery in man.…”

Section: Introductionmentioning

confidence: 99%

Maxillary nerve block within the pterygopalatine fossa of the horse with different volumes: practicability, efficacy and side-effects

Rieder¹,

Staszyk²,

Hopster³

et al. 2016

PHK

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Summary:The maxillary nerve block within the pterygopalatine fossa is a commonly used technique in equine dental surgery. The objective of the present study was to determine the risks of the maxillary nerve block within the pterygopalatine fossa using two different doses of lidocaine and to evaluate methods for testing adequate analgesia of teeth and gingiva. In a preliminary experiment ten horses were trained to tolerate a mouth gag without sedation. A mechanical and thermal stimulation was applied on the palatal gingiva and the occlusal surface. Thermal as well as mechanical stimulation resulted in a reproducible defense reaction in all horses. The main study was designed as a prospective, randomised, blinded, experimental trial. Ten clinically healthy horses were used in a randomised cross-over design. Horses were sedated with 0.02 -0.03 mg/kg detomidine iv. A maxillary nerve block was performed on one side of the head with the previously described "Extraperiorbital-Fat-Body-Insertion" (EFBI) technique using either 2 ml/100 kg BW lidocaine (group low) or 4 ml/100 kg BW lidocaine (group high). A Schirmer tear test was performed before and after nerve block, on both sides of the head (blocked and non-blocked side). Analgesia of the teeth and the surrounding gingiva was assessed by applying mechanical and thermal stimuli on both sides of the head (blocked and non-blocked side) 10 and 25 minutes after lidocaine injection. Heart rate, respiratory rate, sweating, and change of the pupil size were recorded before and in 5 minute intervals after lidocaine injection for 35 minutes. No side effects were observed in 16 out of 20 experiments. Four horses showed blepharospasm, miosis, swollen palpebrae, superficial corneal ulcer, or uveitis. Symptoms disappeared completely after symptomatic treatment. Lacrimation was reduced after nerve block, even though no statistically significant differences were found for lacrimation rate before and after nerve block. Analgesia of teeth and gingiva was not assessable with thermal and mechanical stimuli in the sedated horse. The used dosage of lidocaine did not influence any of the recorded clinical parameters. Although the pterygopalatine fossa houses delicate anatomical structures, the EFBI-technique appears to be a safe method for blocking the maxillary nerve. It is recommended to apply lubricating ointments to keep the cornea moist and therefore avoid negative side effects on the eye.Keywords: local anaesthesia / analgesia / equine dentistry / maxillary nerve block / lacrimation Citation: Rieder C. M., Staszyk C., Hopster K., Feige K., Bienert-Zeit A. (2016) Maxillary nerve block within the pterygopalatine fossa of the horse with different volumes: practicability, efficacy and side-effects. Pferdeheilkunde 32,[132][133][134][135][136][137][138][139][140]

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Sensory response to thermal stimulation in human teeth

Cited by 116 publications

References 7 publications

Cold stimulation of teeth: a comparison between the responses of cat intradental A delta and C fibres and human sensation.

Cold stimulation of teeth: a comparison between the responses of cat intradental A delta and C fibres and human sensation.

In vitro temperature change at the dentin/pulpal interface by using conventional visible light versus argon laser

Maxillary nerve block within the pterygopalatine fossa of the horse with different volumes: practicability, efficacy and side-effects

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