Prototyping artificial jaws for the robotic dental testing simulator
Identifieur interne : 001483 ( Istex/Curation ); précédent : 001482; suivant : 001484Prototyping artificial jaws for the robotic dental testing simulator
Auteurs : K. Alemzadeh [Royaume-Uni] ; D. Raabe [Royaume-Uni]Source :
- Proceedings of the Institution of Mechanical Engineers. Part H: Journal of engineering in medicine [ 0954-4119 ] ; 2008.
Abstract
This paper presents a robot periphery prototyped for the six-degrees-of-freedom robotic dental testing simulator, simulating the wear of materials on dental components, such as individual teeth, crowns, bridges, or a full set of teeth. The robot periphery consists of the artificial jaws and compliance module. The jaws have been reverse engineered and represent a human-like mandible and maxilla with artificial teeth. Each clinically fabricated tooth consists of a crown and glass ceramic roots which are connected using resin cement. Normal clinical occlusion of the artificial jaws assembly was emulated by a dental articulator based on ‘Andrew's six keys to occlusion’. The radii of the von Spee curve, the Monson curve, and the Wilson curve were also measured as important jaw characteristic indicators to aid normal occlusion. A compliance module had to be built between the lower jaw and the robot platform to sustain the fluctuating forces that occur during normal chewing in the occlusal contact areas, where these high bite forces are major causes of dental component failure. A strain gauge force transducer has been integrated into the machined lower jaw, underneath the second molars, to measure axial biting forces applied to the posterior teeth. The experiments conducted have shown that the sensor is able to sense small changes in the compression force satisfactorily, when applied perpendicular to the occlusal surfaces of the teeth.
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DOI: 10.1243/09544119JEIM402
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K. Alemzadeh<affiliation><mods:affiliation></mods:affiliation><wicri:noCountry code="syntax">???</wicri:noCountry></affiliation><affiliation wicri:level="1"><mods:affiliation>1Department of Mechanical Engineering, University of Bristol, Bristol, UK</mods:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>1Department of Mechanical Engineering, University of Bristol, Bristol</wicri:regionArea></affiliation><affiliation><mods:affiliation></mods:affiliation><wicri:noCountry code="syntax">???</wicri:noCountry></affiliation><affiliation wicri:level="1"><mods:affiliation>1Department of Mechanical Engineering, University of Bristol, Bristol, UK</mods:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>1Department of Mechanical Engineering, University of Bristol, Bristol</wicri:regionArea></affiliation>Le document en format XML
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Raabe</name><affiliation><mods:affiliation></mods:affiliation><wicri:noCountry code="syntax">???</wicri:noCountry></affiliation><affiliation wicri:level="1"><mods:affiliation>1Department of Mechanical Engineering, University of Bristol, Bristol, UK</mods:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>1Department of Mechanical Engineering, University of Bristol, Bristol</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:2AC8E7D609FE97A84217BF6AA94E8A35A8F3926C</idno><date when="2008" year="2008">2008</date><idno type="doi">10.1243/09544119JEIM402</idno><idno type="url">https://api.istex.fr/document/2AC8E7D609FE97A84217BF6AA94E8A35A8F3926C/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001483</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001483</idno><idno type="wicri:Area/Istex/Curation">001483</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">Prototyping artificial jaws for the robotic dental testing simulator</title><author><name sortKey="Alemzadeh, K" sort="Alemzadeh, K" uniqKey="Alemzadeh K" first="K" last="Alemzadeh">K. Alemzadeh</name><affiliation><mods:affiliation></mods:affiliation><wicri:noCountry code="syntax">???</wicri:noCountry></affiliation><affiliation wicri:level="1"><mods:affiliation>1Department of Mechanical Engineering, University of Bristol, Bristol, UK</mods:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>1Department of Mechanical Engineering, University of Bristol, Bristol</wicri:regionArea></affiliation></author><author><name sortKey="Raabe, D" sort="Raabe, D" uniqKey="Raabe D" first="D" last="Raabe">D. Raabe</name><affiliation><mods:affiliation></mods:affiliation><wicri:noCountry code="syntax">???</wicri:noCountry></affiliation><affiliation wicri:level="1"><mods:affiliation>1Department of Mechanical Engineering, University of Bristol, Bristol, UK</mods:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>1Department of Mechanical Engineering, University of Bristol, Bristol</wicri:regionArea></affiliation></author></analytic><monogr></monogr><series><title level="j">Proceedings of the Institution of Mechanical Engineers. Part H: Journal of engineering in medicine</title><idno type="ISSN">0954-4119</idno><idno type="eISSN">2041-6518</idno><imprint><publisher>SAGE Publications</publisher><pubPlace>Sage UK: London, England</pubPlace><date type="published" when="2008">2008</date><biblScope unit="volume">222</biblScope><biblScope unit="issue">8</biblScope><biblScope unit="page" from="1209">1209</biblScope><biblScope unit="page" to="1220">1220</biblScope></imprint><idno type="ISSN">0954-4119</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0954-4119</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">This paper presents a robot periphery prototyped for the six-degrees-of-freedom robotic dental testing simulator, simulating the wear of materials on dental components, such as individual teeth, crowns, bridges, or a full set of teeth. The robot periphery consists of the artificial jaws and compliance module. The jaws have been reverse engineered and represent a human-like mandible and maxilla with artificial teeth. Each clinically fabricated tooth consists of a crown and glass ceramic roots which are connected using resin cement. Normal clinical occlusion of the artificial jaws assembly was emulated by a dental articulator based on ‘Andrew's six keys to occlusion’. The radii of the von Spee curve, the Monson curve, and the Wilson curve were also measured as important jaw characteristic indicators to aid normal occlusion. A compliance module had to be built between the lower jaw and the robot platform to sustain the fluctuating forces that occur during normal chewing in the occlusal contact areas, where these high bite forces are major causes of dental component failure. A strain gauge force transducer has been integrated into the machined lower jaw, underneath the second molars, to measure axial biting forces applied to the posterior teeth. The experiments conducted have shown that the sensor is able to sense small changes in the compression force satisfactorily, when applied perpendicular to the occlusal surfaces of the teeth.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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