Shortened dental arch and cerebral regional blood volume: an experimental pilot study with optical topography.
Identifieur interne : 005640 ( Main/Exploration ); précédent : 005639; suivant : 005641Shortened dental arch and cerebral regional blood volume: an experimental pilot study with optical topography.
Auteurs : Ikuya Miyamoto [Japon] ; Kazuya Yoshida ; Kazuhisa BesshoSource :
- Cranio : the journal of craniomandibular practice [ 0886-9634 ] ; 2009.
Descripteurs français
- KwdFr :
- Adulte, Arcade dentaire (anatomopathologie), Circulation cérébrovasculaire (physiologie), Contraction musculaire (physiologie), Femelle, Gouttières occlusales, Humains, Hémoglobines (analyse), Lobe temporal (), Molaire, Mâchoire partiellement édentée (anatomopathologie), Mâle, Oxyhémoglobines (analyse), Projets pilotes, Temps de réaction (physiologie), Tomographie optique (), Traitement d'image par ordinateur (), Volume sanguin (physiologie).
- MESH :
- analyse : Hémoglobines, Oxyhémoglobines.
- anatomopathologie : Arcade dentaire, Mâchoire partiellement édentée.
- physiologie : Circulation cérébrovasculaire, Contraction musculaire, Temps de réaction, Volume sanguin.
- Adulte, Femelle, Gouttières occlusales, Humains, Lobe temporal, Molaire, Mâle, Projets pilotes, Tomographie optique, Traitement d'image par ordinateur.
English descriptors
- KwdEn :
- Adult, Blood Volume (physiology), Cerebrovascular Circulation (physiology), Dental Arch (pathology), Female, Hemoglobins (analysis), Humans, Image Processing, Computer-Assisted (methods), Jaw, Edentulous, Partially (pathology), Male, Molar, Muscle Contraction (physiology), Occlusal Splints, Oxyhemoglobins (analysis), Pilot Projects, Reaction Time (physiology), Temporal Lobe (blood supply), Tomography, Optical (methods).
- MESH :
- chemical , analysis : Hemoglobins, Oxyhemoglobins.
- blood supply : Temporal Lobe.
- methods : Image Processing, Computer-Assisted, Tomography, Optical.
- pathology : Dental Arch, Jaw, Edentulous, Partially.
- physiology : Blood Volume, Cerebrovascular Circulation, Muscle Contraction, Reaction Time.
- Adult, Female, Humans, Male, Molar, Occlusal Splints, Pilot Projects.
Abstract
A shortened dental arch without posterior occlusal support has been thought to maintain sufficient oral function. The mechanism of occlusal adaptation with a shortened dental arch is unclear. For a better understanding of the effects of molar teeth on brain function, the authors combined experimentally-shortened dental arches and a neuro-imaging technique. Regional cerebral blood volume was measured using near-infrared optical topography during maximum voluntary clenching tasks from 10 subjects on individually fabricated oral appliances, which can create experimentally complete and shortened dental arches. Results suggested that clenching on the complete dental arch showed a significantly higher brain blood volume than that on the shortened dental arch. Moreover, there were no differences between the two splints in the latency to the maximum oxyhemoglobin concentration. These findings suggest that occlusal status is closely related to brain blood flow and lack of occlusal molar support rapidly reduces cerebral blood volume in the maximum voluntary clenching condition.
DOI: 10.1179/crn.2009.015
PubMed: 19455920
Affiliations:
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last="Yoshida">Kazuya Yoshida</name></author><author><name sortKey="Bessho, Kazuhisa" sort="Bessho, Kazuhisa" uniqKey="Bessho K" first="Kazuhisa" last="Bessho">Kazuhisa Bessho</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2009">2009</date><idno type="RBID">pubmed:19455920</idno><idno type="pmid">19455920</idno><idno type="doi">10.1179/crn.2009.015</idno><idno type="wicri:Area/PubMed/Corpus">001D49</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001D49</idno><idno type="wicri:Area/PubMed/Curation">001D49</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">001D49</idno><idno type="wicri:Area/PubMed/Checkpoint">001D49</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">001D49</idno><idno type="wicri:Area/Ncbi/Merge">002757</idno><idno type="wicri:Area/Ncbi/Curation">002757</idno><idno 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of Oral and Maxillofacial Surgery, Science of Physical Function, Kyushu Dental College, Fukuoka</wicri:regionArea><wicri:noRegion>Fukuoka</wicri:noRegion></affiliation></author><author><name sortKey="Yoshida, Kazuya" sort="Yoshida, Kazuya" uniqKey="Yoshida K" first="Kazuya" last="Yoshida">Kazuya Yoshida</name></author><author><name sortKey="Bessho, Kazuhisa" sort="Bessho, Kazuhisa" uniqKey="Bessho K" first="Kazuhisa" last="Bessho">Kazuhisa Bessho</name></author></analytic><series><title level="j">Cranio : the journal of craniomandibular practice</title><idno type="ISSN">0886-9634</idno><imprint><date when="2009" type="published">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Blood Volume (physiology)</term><term>Cerebrovascular Circulation (physiology)</term><term>Dental Arch (pathology)</term><term>Female</term><term>Hemoglobins (analysis)</term><term>Humans</term><term>Image Processing, Computer-Assisted (methods)</term><term>Jaw, Edentulous, Partially (pathology)</term><term>Male</term><term>Molar</term><term>Muscle Contraction (physiology)</term><term>Occlusal Splints</term><term>Oxyhemoglobins (analysis)</term><term>Pilot Projects</term><term>Reaction Time (physiology)</term><term>Temporal Lobe (blood supply)</term><term>Tomography, Optical (methods)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte</term><term>Arcade dentaire (anatomopathologie)</term><term>Circulation cérébrovasculaire (physiologie)</term><term>Contraction musculaire (physiologie)</term><term>Femelle</term><term>Gouttières occlusales</term><term>Humains</term><term>Hémoglobines (analyse)</term><term>Lobe temporal ()</term><term>Molaire</term><term>Mâchoire partiellement édentée (anatomopathologie)</term><term>Mâle</term><term>Oxyhémoglobines (analyse)</term><term>Projets pilotes</term><term>Temps de réaction (physiologie)</term><term>Tomographie optique ()</term><term>Traitement d'image par ordinateur ()</term><term>Volume sanguin (physiologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Hemoglobins</term><term>Oxyhemoglobins</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Hémoglobines</term><term>Oxyhémoglobines</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Arcade dentaire</term><term>Mâchoire partiellement édentée</term></keywords><keywords scheme="MESH" qualifier="blood supply" xml:lang="en"><term>Temporal Lobe</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Image Processing, Computer-Assisted</term><term>Tomography, Optical</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Dental Arch</term><term>Jaw, Edentulous, Partially</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Circulation cérébrovasculaire</term><term>Contraction musculaire</term><term>Temps de réaction</term><term>Volume sanguin</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Blood Volume</term><term>Cerebrovascular Circulation</term><term>Muscle Contraction</term><term>Reaction Time</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Female</term><term>Humans</term><term>Male</term><term>Molar</term><term>Occlusal Splints</term><term>Pilot Projects</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte</term><term>Femelle</term><term>Gouttières occlusales</term><term>Humains</term><term>Lobe temporal</term><term>Molaire</term><term>Mâle</term><term>Projets pilotes</term><term>Tomographie optique</term><term>Traitement d'image par ordinateur</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A shortened dental arch without posterior occlusal support has been thought to maintain sufficient oral function. The mechanism of occlusal adaptation with a shortened dental arch is unclear. For a better understanding of the effects of molar teeth on brain function, the authors combined experimentally-shortened dental arches and a neuro-imaging technique. Regional cerebral blood volume was measured using near-infrared optical topography during maximum voluntary clenching tasks from 10 subjects on individually fabricated oral appliances, which can create experimentally complete and shortened dental arches. Results suggested that clenching on the complete dental arch showed a significantly higher brain blood volume than that on the shortened dental arch. Moreover, there were no differences between the two splints in the latency to the maximum oxyhemoglobin concentration. These findings suggest that occlusal status is closely related to brain blood flow and lack of occlusal molar support rapidly reduces cerebral blood volume in the maximum voluntary clenching condition.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><noCountry><name sortKey="Bessho, Kazuhisa" sort="Bessho, Kazuhisa" uniqKey="Bessho K" first="Kazuhisa" last="Bessho">Kazuhisa Bessho</name><name sortKey="Yoshida, Kazuya" sort="Yoshida, Kazuya" uniqKey="Yoshida K" first="Kazuya" last="Yoshida">Kazuya Yoshida</name></noCountry><country name="Japon"><noRegion><name sortKey="Miyamoto, Ikuya" sort="Miyamoto, Ikuya" uniqKey="Miyamoto I" first="Ikuya" last="Miyamoto">Ikuya Miyamoto</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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