The influence of single molar crown placement on the smoothness of masticatory movement
Summary The jerk‐cost is an index that can quantify the smoothness of various movements including human body movements. A previous study reported the usefulness of jerk‐cost in the evaluation of masticatory movement, and proposed that the masticatory movement of subjects with good occlusion could b...
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| Veröffentlicht in: | Journal of oral rehabilitation 2008-06, Vol.35 (6), p.440-445 |
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| container_title | Journal of oral rehabilitation |
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| creator | WATAMOTO, T. MIZUMORI, T. EGUSA, H. YASHIRO, K. TAKADA, K. YATANI, H. |
| description | Summary The jerk‐cost is an index that can quantify the smoothness of various movements including human body movements. A previous study reported the usefulness of jerk‐cost in the evaluation of masticatory movement, and proposed that the masticatory movement of subjects with good occlusion could be explained as a maximum smooth movement. The purpose of this study was to investigate the influence of a single prosthetic molar restoration on the smoothness of masticatory movement. Fourteen adults who visited this hospital seeking a single prosthetic restoration on a molar were selected. Each subject chewed a piece of chewing gum on the molars of the treated side before and after crown placement. Movement trajectory was recorded using the Sirognathograph Analyzing System. Normalized jerk‐cost (NJC) was calculated on the closing phase of each chewing cycle and was compared before and after the crown placement. After the prosthetic restoration, NJC significantly decreased (P |
| doi_str_mv | 10.1111/j.1365-2842.2007.01809.x |
| format | Article |
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A previous study reported the usefulness of jerk‐cost in the evaluation of masticatory movement, and proposed that the masticatory movement of subjects with good occlusion could be explained as a maximum smooth movement. The purpose of this study was to investigate the influence of a single prosthetic molar restoration on the smoothness of masticatory movement. Fourteen adults who visited this hospital seeking a single prosthetic restoration on a molar were selected. Each subject chewed a piece of chewing gum on the molars of the treated side before and after crown placement. Movement trajectory was recorded using the Sirognathograph Analyzing System. Normalized jerk‐cost (NJC) was calculated on the closing phase of each chewing cycle and was compared before and after the crown placement. After the prosthetic restoration, NJC significantly decreased (P < 0·05) in seven subjects with a crown placed on a lower molar, whereas significant changes were not observed in seven subjects with a crown placed on an upper molar. These results suggest that restoring a crown on a lower molar could significantly improve the smoothness of masticatory movement on the same side.</description><identifier>ISSN: 0305-182X</identifier><identifier>EISSN: 1365-2842</identifier><identifier>DOI: 10.1111/j.1365-2842.2007.01809.x</identifier><identifier>PMID: 17986213</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Adult ; Biomechanical Phenomena ; Dentistry ; Female ; Humans ; Jaw - physiology ; jaw movement ; jerk-cost ; Male ; mastication ; Mastication - physiology ; Middle Aged ; Models, Biological ; Models, Statistical ; Molar ; Movement - physiology ; Signal Processing, Computer-Assisted ; single crown ; Tooth Crown</subject><ispartof>Journal of oral rehabilitation, 2008-06, Vol.35 (6), p.440-445</ispartof><rights>2007 The Authors. Journal compilation © 2007 Blackwell Publishing Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4729-8d431455e6479de48ad7558840cb44dd0b151357f3ca31e7fd2b4df380468c9a3</citedby><cites>FETCH-LOGICAL-c4729-8d431455e6479de48ad7558840cb44dd0b151357f3ca31e7fd2b4df380468c9a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1365-2842.2007.01809.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1365-2842.2007.01809.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17986213$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>WATAMOTO, T.</creatorcontrib><creatorcontrib>MIZUMORI, T.</creatorcontrib><creatorcontrib>EGUSA, H.</creatorcontrib><creatorcontrib>YASHIRO, K.</creatorcontrib><creatorcontrib>TAKADA, K.</creatorcontrib><creatorcontrib>YATANI, H.</creatorcontrib><title>The influence of single molar crown placement on the smoothness of masticatory movement</title><title>Journal of oral rehabilitation</title><addtitle>J Oral Rehabil</addtitle><description>Summary The jerk‐cost is an index that can quantify the smoothness of various movements including human body movements. A previous study reported the usefulness of jerk‐cost in the evaluation of masticatory movement, and proposed that the masticatory movement of subjects with good occlusion could be explained as a maximum smooth movement. The purpose of this study was to investigate the influence of a single prosthetic molar restoration on the smoothness of masticatory movement. Fourteen adults who visited this hospital seeking a single prosthetic restoration on a molar were selected. Each subject chewed a piece of chewing gum on the molars of the treated side before and after crown placement. Movement trajectory was recorded using the Sirognathograph Analyzing System. Normalized jerk‐cost (NJC) was calculated on the closing phase of each chewing cycle and was compared before and after the crown placement. After the prosthetic restoration, NJC significantly decreased (P < 0·05) in seven subjects with a crown placed on a lower molar, whereas significant changes were not observed in seven subjects with a crown placed on an upper molar. These results suggest that restoring a crown on a lower molar could significantly improve the smoothness of masticatory movement on the same side.</description><subject>Adult</subject><subject>Biomechanical Phenomena</subject><subject>Dentistry</subject><subject>Female</subject><subject>Humans</subject><subject>Jaw - physiology</subject><subject>jaw movement</subject><subject>jerk-cost</subject><subject>Male</subject><subject>mastication</subject><subject>Mastication - physiology</subject><subject>Middle Aged</subject><subject>Models, Biological</subject><subject>Models, Statistical</subject><subject>Molar</subject><subject>Movement - physiology</subject><subject>Signal Processing, Computer-Assisted</subject><subject>single crown</subject><subject>Tooth Crown</subject><issn>0305-182X</issn><issn>1365-2842</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkFtPwyAYhonR6Dz8BcOVd61QoNAbE7N4PiwxnuINYfSrdrZllk63fy91i97KDSS8z_vBgxCmJKZhHU5iylIRJYoncUKIjAlVJIvna2jwe7GOBoQREVGVPG-hbe8nhBDFhNxEW1RmKk0oG6Cn-zfAZVNUM2gsYFdgXzavFeDaVabFtnVfDZ5WxkINTYddg7sA-Nq57q0B73uiNr4rrelcuwjY509yF20UpvKwt9p30MPpyf3wPLoenV0Mj68jy2WSRSrnjHIhIOUyy4Erk0shlOLEjjnPczKmgoY3F8waRkEWeTLmecEU4amymWE76GDZO23dxwx8p-vSW6gq04CbeZ1mNOWMixBUy2D4kvctFHralrVpF5oS3UvVE92707073UvVP1L1PKD7qxmzcQ35H7iyGAJHy8BXWcHi38X6cjS664-hIFoWlL6D-W-Bad91KpkU-un2TF-9DPnN3SPVp-wbcxeVuQ</recordid><startdate>200806</startdate><enddate>200806</enddate><creator>WATAMOTO, T.</creator><creator>MIZUMORI, T.</creator><creator>EGUSA, H.</creator><creator>YASHIRO, K.</creator><creator>TAKADA, K.</creator><creator>YATANI, H.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>200806</creationdate><title>The influence of single molar crown placement on the smoothness of masticatory movement</title><author>WATAMOTO, T. ; MIZUMORI, T. ; EGUSA, H. ; YASHIRO, K. ; TAKADA, K. ; YATANI, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4729-8d431455e6479de48ad7558840cb44dd0b151357f3ca31e7fd2b4df380468c9a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Adult</topic><topic>Biomechanical Phenomena</topic><topic>Dentistry</topic><topic>Female</topic><topic>Humans</topic><topic>Jaw - physiology</topic><topic>jaw movement</topic><topic>jerk-cost</topic><topic>Male</topic><topic>mastication</topic><topic>Mastication - physiology</topic><topic>Middle Aged</topic><topic>Models, Biological</topic><topic>Models, Statistical</topic><topic>Molar</topic><topic>Movement - physiology</topic><topic>Signal Processing, Computer-Assisted</topic><topic>single crown</topic><topic>Tooth Crown</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>WATAMOTO, T.</creatorcontrib><creatorcontrib>MIZUMORI, T.</creatorcontrib><creatorcontrib>EGUSA, H.</creatorcontrib><creatorcontrib>YASHIRO, K.</creatorcontrib><creatorcontrib>TAKADA, K.</creatorcontrib><creatorcontrib>YATANI, H.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of oral rehabilitation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>WATAMOTO, T.</au><au>MIZUMORI, T.</au><au>EGUSA, H.</au><au>YASHIRO, K.</au><au>TAKADA, K.</au><au>YATANI, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The influence of single molar crown placement on the smoothness of masticatory movement</atitle><jtitle>Journal of oral rehabilitation</jtitle><addtitle>J Oral Rehabil</addtitle><date>2008-06</date><risdate>2008</risdate><volume>35</volume><issue>6</issue><spage>440</spage><epage>445</epage><pages>440-445</pages><issn>0305-182X</issn><eissn>1365-2842</eissn><abstract>Summary The jerk‐cost is an index that can quantify the smoothness of various movements including human body movements. A previous study reported the usefulness of jerk‐cost in the evaluation of masticatory movement, and proposed that the masticatory movement of subjects with good occlusion could be explained as a maximum smooth movement. The purpose of this study was to investigate the influence of a single prosthetic molar restoration on the smoothness of masticatory movement. Fourteen adults who visited this hospital seeking a single prosthetic restoration on a molar were selected. Each subject chewed a piece of chewing gum on the molars of the treated side before and after crown placement. Movement trajectory was recorded using the Sirognathograph Analyzing System. Normalized jerk‐cost (NJC) was calculated on the closing phase of each chewing cycle and was compared before and after the crown placement. After the prosthetic restoration, NJC significantly decreased (P < 0·05) in seven subjects with a crown placed on a lower molar, whereas significant changes were not observed in seven subjects with a crown placed on an upper molar. These results suggest that restoring a crown on a lower molar could significantly improve the smoothness of masticatory movement on the same side.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>17986213</pmid><doi>10.1111/j.1365-2842.2007.01809.x</doi><tpages>6</tpages></addata></record> |
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| ispartof | Journal of oral rehabilitation, 2008-06, Vol.35 (6), p.440-445 |
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| language | eng |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Adult Biomechanical Phenomena Dentistry Female Humans Jaw - physiology jaw movement jerk-cost Male mastication Mastication - physiology Middle Aged Models, Biological Models, Statistical Molar Movement - physiology Signal Processing, Computer-Assisted single crown Tooth Crown |
| title | The influence of single molar crown placement on the smoothness of masticatory movement |
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