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2 edition of Pharmacological analysis of intradental sensory nerve excitability found in the catalog.

Pharmacological analysis of intradental sensory nerve excitability

Leif M. Olgart

Pharmacological analysis of intradental sensory nerve excitability

an experimental study in the cat.

by Leif M. Olgart

  • 45 Want to read
  • 30 Currently reading

Published by Departments of Pharmacology and Endodontics, Karolinska Institutet in Stockholm .
Written in English


ID Numbers
Open LibraryOL19763087M

A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Purpose Neurotoxicity is becoming increasingly recognized as the major dose-limiting toxicity of oxaliplatin. Because the mechanism of oxaliplatin-induced neurotoxicity remains unclear, the present study investigated the potential of axonal excitability techniques in identifying pathophysiologic mechanisms and early markers of nerve dysfunction. Patients and Methods Measures of sensory .

Sensory Nerves Springer, Berlin Heidelberg New York Reviewer: Joseph J Grenier MD PhD This is a very detailed and comprehensive textbook concerning the energetics, biochemistry, physiology, and neurological implications of sensory s: 1. Sensory neurons, also known as afferent neurons, are neurons in the nervous system, that convert a specific type of stimulus, via their receptors, into action potentials or graded potentials. This process is called sensory cell bodies of the sensory neurons are located in the dorsal ganglia of the spinal cord.. This sensory information travels along afferent nerve fibers in an.

  Nerve excitability studies have emerged as a recent novel non-invasive technique that offers complementary information to that provided by more conventional nerve conduction studies, the latter which provide only limited indices of peripheral nerve function. Such novel tools allow for the assessment of peripheral axonal biophysical properties that include ion channels, energy-dependent . Median and ulnar sensory nerve studies to the 4th digit 3. Lower Limb Motor Nerve Studies the statistical analysis of the data must be completed, with the For most studies in this book, common machine settings and techniques were used. However, in some special.


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Pharmacological analysis of intradental sensory nerve excitability by Leif M. Olgart Download PDF EPUB FB2

Author(s): Olgart,Leif, Title(s): Pharmacological analysis of intradental sensory nerve excitability: an experimental study in the cat/ by Leif Olgart. Country of Publication: Sweden Publisher: Stockholm: [s.n.], The earliest evidence of nerve degeneration after injury is the failure to respond to electrical stimulation.

In addition, abnormal nerve excitability presents days after a nerve lesion. Nerve conduction studies (NCSs): Nerve conduction velocity (NCV) is the propagation speed of an action potential along nerve.

Närhi M. The characteristics of intradental sensory units and their responses to stimulation. Journal of Dental Research. ; – (special issue) Narhi M, Haegerstam G.

Intradental nerve activity induced by reduced pressure applied to exposed dentine in the cat. Acta Physiologica Scandinavica. ; –Cited by:   Pain, 19 () Eisevier PAI Perception of Pulpal Pain as a Function of Intradental Nerve Activity Michael L. Ahlquist *, Lennart G.A. Edwall *, Ove G. Franz ** and Glenn A.T.

Haegerstam 1 * Department of Endodontics, Karolinska Institute!, Stockholm, and ** Department of Psychology, University of Uppsala, Uppsala (Sweden) (Received 18 Mayaccepted 27 February Cited by:   Continuous dentine electrode recordings of intradental nerve activity in cat showing the effects of application of 1 M KC1 on the responsiveness of intradental nerves to l M Nad solutions applied before and after the KC1 solution.

had little or no effect on intradental nerve excitability, but in contrast, all potassium salts at similar concen Cited by: Edwall, L.

and Olgart, L. () A new technique for recording of intradental sensory nerve activity in man. CrossRef Google Scholar. Edwall, L. and Scott, D. Jr., () Influence of changes in microcirculation on the excitability of the sensory unit in the tooth of the cat.

Excitation of intradental sensory units by pharmacological. Excitation of Intradental Sensory Units by Pharmacological Agents made from intradental sensory nerves in the tooth of the cat. and lead to increased as well as decreased excitability of. Classification of sensory nerve fibers Conduction Type of Function Diameter Velocity Fiber (#m) (m/s) A-beta Pressure, touch A-delta Touch, temperature, pain C Pain Thus, the majority of A fibers fall into the category of A-delta fibers, but very fast conducting intradental fi- bers that can be categorized as A.

Edwall L, Olgart LM () A New Technique for Recording of Intradental Sensory Nerve Activity in Man. Pain – Google Scholar 8. Jyväsjärvi E, Kniffki K-D () Cold Stimulation of Teeth: A Comparison between the Responses of Cat Intradental Aδ and C Fibres and Human Sensation.

Olgart L, Gazelius B. Inhibition of compound 48/induced intradental sensory nerve activity by disodium cromoglycate and serotonin antagonists. Acta Physiol Scand. ; – Orr TS, Hall DE, Gwilliam JM, Cox OS.

Non-pharmacological pain therapy refers to interventions that do not involve the use of medications to treat pain. The goals of non-pharmacological interventions are to decrease fear, distress and anxiety, and to reduce pain and provide patients with a sense of control.

When deciding the most effective non-pharmacological technique, take into consideration the patient’s age, developmental. Efficacy of inferior alveolar nerve block using ml of 4% articaine withepinephrine in reversible and irreversible pulpitis.

ENDO (Lond); Serefoglou M., Sykaras S. and Panopoulos P.: Changes in intradental nerve excitability after pre-treatment of exposed dentin with sodium fluoride and sodium nitrate.

D.B. Ferguson PhD, BDS, LDSRCS(Eng), in Physiology for Dental Students, Sensory pathway. A sensory unit is defined as a single nerve axon and all the sensory receptors which transmit information to it. Each sensory unit, therefore, has a receptive field: in the case of touch or temperature receptors on the body surface, it is the area of skin wherein are situated all the receptors.

Methods. Sensory function in the dominant hand of women with hand OA or RA and healthy women was evaluated by measuring sensory nerve action potentials (SNAPs) from the median, ulnar and radial nerves, sensory mapping (SM), and vibratory and current perception thresholds (VPT and CPT, respectively) of the second and fifth digits.

Olgart, L. (): Excitation of Intradental Sensory Units by Pharmacological Agents, Acta Physiol Scand 48 – Google Scholar | Crossref | Medline Panopoulos, P.: Intradental Sensory Nerve Responses to Some Factors Affecting Dentin and Pulp.

The relationship between the intradental nerve responses and subjective sensory ratings evoked by thermal stimulation of the teeth was studied in man. Recordings were taken from a total of 12 thermally sensitive units from the inferior dental nerve following thermal tooth stimulation, of which seven responded to both heating and cooling, two were exclusively cold-sensitive and three.

The nerve terminals are concentrated near the pulp tip with a decreasing density towards cervical regions and very little in the roots.

There are also some sensory and sympathetic nerve fibres along blood vessels deep in pulp (Pohto and Antila, ; Edwall et al., ). Many of the nerve fibres in the odontoblast layer, predentine and dentine.

Intradental sensory nerve impulse activity was recorded by means of electrodes inserted into dentinal cavities in the tooth of the cat. Impulses of different amplitudes was recorded. Sensory nerve function was measured using average vibration detection threshold on the bottom of the large toe with a VSA Vibratory Sensory Analyzer (Medoc, Durham, North Carolina).

Monofilament insensitivity (inability to detect 3/4 touches) was measured at the dorsum of the large toe with a standard clinical g monofilament and g. A neurologist has sent a patient for nerve conduction studies (NCS) and has received the report, but what does it mean.

We hope to remove some of the mysteries that may surround NCS. The techniques and how they are affected by disease are described in general terms. These principles can be applied to specific conditions discussed elsewhere.

We also discuss the numerous pitfalls that may be. The aim of the present study was to test the sensitivity of different classes of sensory axons to lidocaine 2 and 4% nerve block. The basic approach was to examine changes in compound action.Sensory neuron types have been distinguished by distinct morphological and transcriptional characteristics.

Excitability is the most fundamental functional feature of neurons. Mathematical models described by Hodgkin have revealed three types of neuronal excitability based on the relationship between firing frequency and applied current intensity.Analysis of a diagnostic problem interrupted sensory organ development or sensory nerve myelination.

Following the initial interruption in sensory development, continued high heavy metal concentrations, infectious overgrowth and/or poor sleep patterns create an environment of IGF