Mechanical analysis of factors affecting clear aligner removability
It is difficult to control corrective forces in orthodontic treatment with clear aligners. The grip of aligners on teeth is important to ensure accurate corrective forces from aligners. This study aimed to measure the gripping force of aligners under various conditions to clarify factors that influe...
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| Veröffentlicht in: | Dental Materials Journal 2022/07/25, Vol.41(4), pp.534-544 |
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| container_title | Dental Materials Journal |
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| creator | TAKARA, Yurie HAGA, Shugo KIMURA, Hitoshi MAKI, Koutaro |
| description | It is difficult to control corrective forces in orthodontic treatment with clear aligners. The grip of aligners on teeth is important to ensure accurate corrective forces from aligners. This study aimed to measure the gripping force of aligners under various conditions to clarify factors that influence it. We created aligners with different attachment morphologies and placement sites and different margin lengths. We developed a device to measure the mechanics involved in the removal of these aligners. The gripping force was evaluated at five different aligner removal sites on the teeth. We found that the gripping force of the aligner was the weakest on the lingual side of the first molar and strongest on the labial side of the central incisors and that the attachment morphology and placement sites affected the gripping force of aligners. |
| doi_str_mv | 10.4012/dmj.2021-176 |
| format | Article |
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The grip of aligners on teeth is important to ensure accurate corrective forces from aligners. This study aimed to measure the gripping force of aligners under various conditions to clarify factors that influence it. We created aligners with different attachment morphologies and placement sites and different margin lengths. We developed a device to measure the mechanics involved in the removal of these aligners. The gripping force was evaluated at five different aligner removal sites on the teeth. We found that the gripping force of the aligner was the weakest on the lingual side of the first molar and strongest on the labial side of the central incisors and that the attachment morphology and placement sites affected the gripping force of aligners.</description><identifier>ISSN: 0287-4547</identifier><identifier>EISSN: 1881-1361</identifier><identifier>DOI: 10.4012/dmj.2021-176</identifier><identifier>PMID: 35321972</identifier><language>eng</language><publisher>Japan: The Japanese Society for Dental Materials and Devices</publisher><subject>Aligner margin ; Attachment position ; Attachment shapes ; Clear aligners ; Gripping force ; Incisors ; Mechanical analysis ; Mechanical properties ; Morphology ; Orthodontics ; Placement ; Teeth</subject><ispartof>Dental Materials Journal, 2022/07/25, Vol.41(4), pp.534-544</ispartof><rights>2022 The Japanese Society for Dental Materials and Devices</rights><rights>Copyright Japan Science and Technology Agency 2022</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c627t-546ce6c9cfbec87d735574f051e40d2d2a01aacca31339efca8d2b424dc022ba3</citedby><cites>FETCH-LOGICAL-c627t-546ce6c9cfbec87d735574f051e40d2d2a01aacca31339efca8d2b424dc022ba3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35321972$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>TAKARA, Yurie</creatorcontrib><creatorcontrib>HAGA, Shugo</creatorcontrib><creatorcontrib>KIMURA, Hitoshi</creatorcontrib><creatorcontrib>MAKI, Koutaro</creatorcontrib><creatorcontrib>Tamagawa University College of Engineering</creatorcontrib><creatorcontrib>School of Dentistry</creatorcontrib><creatorcontrib>Department of Orthodontics</creatorcontrib><creatorcontrib>Showa University</creatorcontrib><creatorcontrib>Department of Engineering Design</creatorcontrib><title>Mechanical analysis of factors affecting clear aligner removability</title><title>Dental Materials Journal</title><addtitle>Dent. Mater. J.</addtitle><description>It is difficult to control corrective forces in orthodontic treatment with clear aligners. The grip of aligners on teeth is important to ensure accurate corrective forces from aligners. This study aimed to measure the gripping force of aligners under various conditions to clarify factors that influence it. We created aligners with different attachment morphologies and placement sites and different margin lengths. We developed a device to measure the mechanics involved in the removal of these aligners. The gripping force was evaluated at five different aligner removal sites on the teeth. We found that the gripping force of the aligner was the weakest on the lingual side of the first molar and strongest on the labial side of the central incisors and that the attachment morphology and placement sites affected the gripping force of aligners.</description><subject>Aligner margin</subject><subject>Attachment position</subject><subject>Attachment shapes</subject><subject>Clear aligners</subject><subject>Gripping force</subject><subject>Incisors</subject><subject>Mechanical analysis</subject><subject>Mechanical properties</subject><subject>Morphology</subject><subject>Orthodontics</subject><subject>Placement</subject><subject>Teeth</subject><issn>0287-4547</issn><issn>1881-1361</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNpdkU1v1DAQhi0EotvCjTOKxKUH0vozdo6wKgWpqBc4WxN7snjlJMXOVtp_j0PaReIyM9I8emfmHULeMXolKePXfthfccpZzXTzgmyYMaUUDXtJNpQbXUsl9Rk5z3lPqWwbY16TM6EEZ63mG7L9ju4XjMFBrGCEeMwhV1Nf9eDmKeUK-h7dHMZd5SJCqiCG3YipSjhMj9CFGObjG_Kqh5jx7VO-ID-_3PzYfq3v7m-_bT_d1a7heq6VbBw2rnV9h85or4VSWvZUMZTUc8-BMgDnQDAhWuwdGM87yaV3lPMOxAW5XHUf0vT7gHm2Q8gOY4QRp0O2vJHcmEZLUdAP_6H76ZDKfQvVaqZaxnmhPq6US1POCXv7kMIA6WgZtYu5tphrF3NtMbfg759ED92A_gQ_u1mA2xUo3cXRaYxhxH-j_ZF6HFdJbss7GJVLslSJJUgpS2VaVZQ-r0r7PMMOT6MgzaE84u9eklm5hOf9Ts3y0GRxFH8ASh2iiA</recordid><startdate>20220725</startdate><enddate>20220725</enddate><creator>TAKARA, Yurie</creator><creator>HAGA, Shugo</creator><creator>KIMURA, Hitoshi</creator><creator>MAKI, Koutaro</creator><general>The Japanese Society for Dental Materials and Devices</general><general>Japanese Society for Dental Materials and Devices</general><general>Japan Science and Technology Agency</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20220725</creationdate><title>Mechanical analysis of factors affecting clear aligner removability</title><author>TAKARA, Yurie ; 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Mater. J.</addtitle><date>2022-07-25</date><risdate>2022</risdate><volume>41</volume><issue>4</issue><spage>534</spage><epage>544</epage><pages>534-544</pages><artnum>2021-176</artnum><issn>0287-4547</issn><eissn>1881-1361</eissn><abstract>It is difficult to control corrective forces in orthodontic treatment with clear aligners. The grip of aligners on teeth is important to ensure accurate corrective forces from aligners. This study aimed to measure the gripping force of aligners under various conditions to clarify factors that influence it. We created aligners with different attachment morphologies and placement sites and different margin lengths. We developed a device to measure the mechanics involved in the removal of these aligners. The gripping force was evaluated at five different aligner removal sites on the teeth. 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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | Aligner margin Attachment position Attachment shapes Clear aligners Gripping force Incisors Mechanical analysis Mechanical properties Morphology Orthodontics Placement Teeth |
| title | Mechanical analysis of factors affecting clear aligner removability |
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