Electrophysiologic evidence showing the existence of sensory receptors within the alveolar bone in anesthetized cats.
Identifieur interne : 011402 ( Main/Exploration ); précédent : 011401; suivant : 011403Electrophysiologic evidence showing the existence of sensory receptors within the alveolar bone in anesthetized cats.
Auteurs : J. Héraud [France] ; J. Orofino ; M. Trub ; N. MeiSource :
- The International journal of oral & maxillofacial implants [ 0882-2786 ]
Descripteurs français
- KwdFr :
- Anesthésie générale, Animaux, Cellules réceptrices sensorielles (physiologie), Chats, Conduction nerveuse, Contrainte mécanique, Ganglion trigéminal (physiologie), Implants dentaires, Maxillaire (innervation), Microélectrodes, Mâchoire édentée (anatomopathologie), Nerf trijumeau (physiologie), Neurofibres (physiologie), Neurofibres myélinisées (physiologie), Ostéo-intégration, Parodonte (innervation), Potentiels d'action (physiologie), Processus alvéolaire (innervation), Stimulation physique, Stimulation électrique, Température, Verre, Électrophysiologie.
- MESH :
- anatomopathologie : Mâchoire édentée.
- physiologie : Cellules réceptrices sensorielles, Ganglion trigéminal, Nerf trijumeau, Neurofibres, Neurofibres myélinisées, Potentiels d'action.
- Anesthésie générale, Animaux, Chats, Conduction nerveuse, Contrainte mécanique, Implants dentaires, Maxillaire, Microélectrodes, Ostéo-intégration, Parodonte, Processus alvéolaire, Stimulation physique, Stimulation électrique, Température, Verre, Électrophysiologie.
English descriptors
- KwdEn :
- Action Potentials (physiology), Alveolar Process (innervation), Anesthesia, General, Animals, Cats, Dental Implants, Electric Stimulation, Electrophysiology, Glass, Jaw, Edentulous (pathology), Maxilla (innervation), Microelectrodes, Nerve Fibers (physiology), Nerve Fibers, Myelinated (physiology), Neural Conduction, Osseointegration, Periodontium (innervation), Physical Stimulation, Sensory Receptor Cells (physiology), Stress, Mechanical, Temperature, Trigeminal Ganglion (physiology), Trigeminal Nerve (physiology).
- MESH :
- chemical : Dental Implants.
- innervation : Alveolar Process, Maxilla, Periodontium.
- pathology : Jaw, Edentulous.
- physiology : Action Potentials, Nerve Fibers, Nerve Fibers, Myelinated, Sensory Receptor Cells, Trigeminal Ganglion, Trigeminal Nerve.
- Anesthesia, General, Animals, Cats, Electric Stimulation, Electrophysiology, Glass, Microelectrodes, Neural Conduction, Osseointegration, Physical Stimulation, Stress, Mechanical, Temperature.
Abstract
Single-nerve activities were recorded in the gasserian ganglia of anesthetized cats by glass extracellular micro-electrodes to determine whether sensory endings exist within the alveolar bone. Trigeminal cells responded to mechanical and/or thermal stimulation applied to the maxillary bone. Some were activated by specific kinds of fairly precise mechanical stimuli (moderate forces applied in a preferential direction); others exhibited a coarse mechanical sensitivity. In addition, electrical stimulation was applied to the maxillary bone to determine the conduction velocities of the relevant fibers. These mainly ranged between 1 and 6 m/s, which indicates that the fibers belonged to the small-diameter category (thinnest myelinated and unmyelinated fibers). Similar results were obtained from animals with osseointegrated implants. It was concluded that the alveolar bone is endowed with sensory endings capable of detecting mechanical and thermal changes, and that these receptors may provide compensatory sensitivity in edentulous subjects whose main (periodontal) sensitivity has been eliminated.
PubMed: 8990644
Affiliations:
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Héraud</name><affiliation wicri:level="3"><nlm:affiliation>National Center for Scientific Research, Laboratory of Neurobiology, Marseille, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>National Center for Scientific Research, Laboratory of Neurobiology, Marseille</wicri:regionArea><placeName><region type="region">Provence-Alpes-Côte d'Azur</region><region type="old region">Provence-Alpes-Côte d'Azur</region><settlement type="city">Marseille</settlement></placeName></affiliation></author><author><name sortKey="Orofino, J" sort="Orofino, J" uniqKey="Orofino J" first="J" last="Orofino">J. Orofino</name></author><author><name sortKey="Trub, M" sort="Trub, M" uniqKey="Trub M" first="M" last="Trub">M. Trub</name></author><author><name sortKey="Mei, N" sort="Mei, N" uniqKey="Mei N" first="N" last="Mei">N. Mei</name></author></analytic><series><title level="j">The International journal of oral & maxillofacial implants</title><idno type="ISSN">0882-2786</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Action Potentials (physiology)</term><term>Alveolar Process (innervation)</term><term>Anesthesia, General</term><term>Animals</term><term>Cats</term><term>Dental Implants</term><term>Electric Stimulation</term><term>Electrophysiology</term><term>Glass</term><term>Jaw, Edentulous (pathology)</term><term>Maxilla (innervation)</term><term>Microelectrodes</term><term>Nerve Fibers (physiology)</term><term>Nerve Fibers, Myelinated (physiology)</term><term>Neural Conduction</term><term>Osseointegration</term><term>Periodontium (innervation)</term><term>Physical Stimulation</term><term>Sensory Receptor Cells (physiology)</term><term>Stress, Mechanical</term><term>Temperature</term><term>Trigeminal Ganglion (physiology)</term><term>Trigeminal Nerve (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Anesthésie générale</term><term>Animaux</term><term>Cellules réceptrices sensorielles (physiologie)</term><term>Chats</term><term>Conduction nerveuse</term><term>Contrainte mécanique</term><term>Ganglion trigéminal (physiologie)</term><term>Implants dentaires</term><term>Maxillaire (innervation)</term><term>Microélectrodes</term><term>Mâchoire édentée (anatomopathologie)</term><term>Nerf trijumeau (physiologie)</term><term>Neurofibres (physiologie)</term><term>Neurofibres myélinisées (physiologie)</term><term>Ostéo-intégration</term><term>Parodonte (innervation)</term><term>Potentiels d'action (physiologie)</term><term>Processus alvéolaire (innervation)</term><term>Stimulation physique</term><term>Stimulation électrique</term><term>Température</term><term>Verre</term><term>Électrophysiologie</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Alveolar Process</term><term>Maxilla</term><term>Periodontium</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Cellules réceptrices sensorielles</term><term>Ganglion trigéminal</term><term>Nerf trijumeau</term><term>Neurofibres</term><term>Neurofibres myélinisées</term><term>Potentiels d'action</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Action Potentials</term><term>Nerve Fibers</term><term>Nerve Fibers, Myelinated</term><term>Sensory Receptor Cells</term><term>Trigeminal Ganglion</term><term>Trigeminal Nerve</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Anesthesia, General</term><term>Animals</term><term>Cats</term><term>Electric Stimulation</term><term>Electrophysiology</term><term>Glass</term><term>Microelectrodes</term><term>Neural Conduction</term><term>Osseointegration</term><term>Physical Stimulation</term><term>Stress, Mechanical</term><term>Temperature</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Anesthésie générale</term><term>Animaux</term><term>Chats</term><term>Conduction nerveuse</term><term>Contrainte mécanique</term><term>Implants dentaires</term><term>Maxillaire</term><term>Microélectrodes</term><term>Ostéo-intégration</term><term>Parodonte</term><term>Processus alvéolaire</term><term>Stimulation physique</term><term>Stimulation électrique</term><term>Température</term><term>Verre</term><term>Électrophysiologie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Single-nerve activities were recorded in the gasserian ganglia of anesthetized cats by glass extracellular micro-electrodes to determine whether sensory endings exist within the alveolar bone. Trigeminal cells responded to mechanical and/or thermal stimulation applied to the maxillary bone. Some were activated by specific kinds of fairly precise mechanical stimuli (moderate forces applied in a preferential direction); others exhibited a coarse mechanical sensitivity. In addition, electrical stimulation was applied to the maxillary bone to determine the conduction velocities of the relevant fibers. These mainly ranged between 1 and 6 m/s, which indicates that the fibers belonged to the small-diameter category (thinnest myelinated and unmyelinated fibers). Similar results were obtained from animals with osseointegrated implants. It was concluded that the alveolar bone is endowed with sensory endings capable of detecting mechanical and thermal changes, and that these receptors may provide compensatory sensitivity in edentulous subjects whose main (periodontal) sensitivity has been eliminated.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Provence-Alpes-Côte d'Azur</li></region><settlement><li>Marseille</li></settlement></list><tree><noCountry><name sortKey="Mei, N" sort="Mei, N" uniqKey="Mei N" first="N" last="Mei">N. Mei</name><name sortKey="Orofino, J" sort="Orofino, J" uniqKey="Orofino J" first="J" last="Orofino">J. Orofino</name><name sortKey="Trub, M" sort="Trub, M" uniqKey="Trub M" first="M" last="Trub">M. Trub</name></noCountry><country name="France"><region name="Provence-Alpes-Côte d'Azur"><name sortKey="Heraud, J" sort="Heraud, J" uniqKey="Heraud J" first="J" last="Héraud">J. 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