Expanding torque possibilities: A skeletally anchored torqued cantilever for uprighting “kissing molars”
Several uprighting mechanics and devices have been used for repositioning tipped molars. “Kissing molars” (KMs) are an uncommon tooth impaction involving 2 severely tipped mandibular molars with their occlusal surfaces positioned crown to crown, with the roots pointing in opposite directions. Orthod...
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| Veröffentlicht in: | American journal of orthodontics and dentofacial orthopedics 2018-04, Vol.153 (4), p.588-598 |
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| container_title | American journal of orthodontics and dentofacial orthopedics |
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| creator | Barros, Sérgio Estelita Janson, Guilherme Chiqueto, Kelly Ferreira, Eduardo Rösing, Cassiano |
| description | Several uprighting mechanics and devices have been used for repositioning tipped molars. “Kissing molars” (KMs) are an uncommon tooth impaction involving 2 severely tipped mandibular molars with their occlusal surfaces positioned crown to crown, with the roots pointing in opposite directions. Orthodontic uprighting of KMs has not been a usual treatment protocol, and it can be a challenging task due to the severe tipping and double impaction, requiring efficient and well-controlled uprighting mechanics. An innovative skeletally anchored cantilever, which uses the torque principle for uprighting tipped molars, is suggested. This torqued cantilever is easy to manufacture, install, and activate; it is a well-known torque that is effective for producing root movement. A successful treatment of symptomatic KMs, involving the first and second molars, was achieved with this cantilever. Thus, clinicians should consider the suggested uprighting mechanics and orthodontic device as a more conservative alternative to extraction of KMs, depending on the patient's age, involved teeth in KMs, tipping severity, and impaction positions.
•“Kissing molars” (KMs) are uncommon tooth impactions involving 2 severely tipped mandibular molars.•An innovative skeletally anchored cantilever, which uses the torque principle, is proposed for KM treatment.•KMs were successfully treated, achieving an excellent occlusal balance.•Reasons and guidelines for orthodontic treatment of KMs are discussed. |
| doi_str_mv | 10.1016/j.ajodo.2017.12.006 |
| format | Article |
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•“Kissing molars” (KMs) are uncommon tooth impactions involving 2 severely tipped mandibular molars.•An innovative skeletally anchored cantilever, which uses the torque principle, is proposed for KM treatment.•KMs were successfully treated, achieving an excellent occlusal balance.•Reasons and guidelines for orthodontic treatment of KMs are discussed.</description><identifier>ISSN: 0889-5406</identifier><identifier>EISSN: 1097-6752</identifier><identifier>DOI: 10.1016/j.ajodo.2017.12.006</identifier><identifier>PMID: 29602351</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Brazil ; Cephalometry ; Child ; Dental Implants ; Dental Stress Analysis ; Dentistry ; Female ; Humans ; Malocclusion, Angle Class II - therapy ; Mandible - diagnostic imaging ; Molar - diagnostic imaging ; Molar - pathology ; Nickel - chemistry ; Orthodontic Anchorage Procedures - instrumentation ; Orthodontic Anchorage Procedures - methods ; Orthodontic Appliance Design - instrumentation ; Orthodontic Appliance Design - methods ; Orthodontic Appliances ; Orthodontic Brackets ; Orthodontic Wires ; Patient Care Planning ; Radiography, Panoramic ; Stress, Mechanical ; Titanium - chemistry ; Tooth Crown ; Tooth Eruption ; Tooth Movement Techniques - instrumentation ; Tooth Movement Techniques - methods ; Tooth Root - anatomy & histology ; Tooth Root - pathology ; Tooth, Impacted - complications ; Tooth, Impacted - diagnostic imaging ; Tooth, Impacted - therapy ; Torque ; Treatment Outcome</subject><ispartof>American journal of orthodontics and dentofacial orthopedics, 2018-04, Vol.153 (4), p.588-598</ispartof><rights>2018 American Association of Orthodontists</rights><rights>Copyright © 2018 American Association of Orthodontists. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c404t-dcdeb6bf72c707ce5876621bb405ec91b3128c8620b4db3737ad6bafc32446483</citedby><cites>FETCH-LOGICAL-c404t-dcdeb6bf72c707ce5876621bb405ec91b3128c8620b4db3737ad6bafc32446483</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0889540618300027$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29602351$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Barros, Sérgio Estelita</creatorcontrib><creatorcontrib>Janson, Guilherme</creatorcontrib><creatorcontrib>Chiqueto, Kelly</creatorcontrib><creatorcontrib>Ferreira, Eduardo</creatorcontrib><creatorcontrib>Rösing, Cassiano</creatorcontrib><title>Expanding torque possibilities: A skeletally anchored torqued cantilever for uprighting “kissing molars”</title><title>American journal of orthodontics and dentofacial orthopedics</title><addtitle>Am J Orthod Dentofacial Orthop</addtitle><description>Several uprighting mechanics and devices have been used for repositioning tipped molars. “Kissing molars” (KMs) are an uncommon tooth impaction involving 2 severely tipped mandibular molars with their occlusal surfaces positioned crown to crown, with the roots pointing in opposite directions. Orthodontic uprighting of KMs has not been a usual treatment protocol, and it can be a challenging task due to the severe tipping and double impaction, requiring efficient and well-controlled uprighting mechanics. An innovative skeletally anchored cantilever, which uses the torque principle for uprighting tipped molars, is suggested. This torqued cantilever is easy to manufacture, install, and activate; it is a well-known torque that is effective for producing root movement. A successful treatment of symptomatic KMs, involving the first and second molars, was achieved with this cantilever. Thus, clinicians should consider the suggested uprighting mechanics and orthodontic device as a more conservative alternative to extraction of KMs, depending on the patient's age, involved teeth in KMs, tipping severity, and impaction positions.
•“Kissing molars” (KMs) are uncommon tooth impactions involving 2 severely tipped mandibular molars.•An innovative skeletally anchored cantilever, which uses the torque principle, is proposed for KM treatment.•KMs were successfully treated, achieving an excellent occlusal balance.•Reasons and guidelines for orthodontic treatment of KMs are discussed.</description><subject>Brazil</subject><subject>Cephalometry</subject><subject>Child</subject><subject>Dental Implants</subject><subject>Dental Stress Analysis</subject><subject>Dentistry</subject><subject>Female</subject><subject>Humans</subject><subject>Malocclusion, Angle Class II - therapy</subject><subject>Mandible - diagnostic imaging</subject><subject>Molar - diagnostic imaging</subject><subject>Molar - pathology</subject><subject>Nickel - chemistry</subject><subject>Orthodontic Anchorage Procedures - instrumentation</subject><subject>Orthodontic Anchorage Procedures - methods</subject><subject>Orthodontic Appliance Design - instrumentation</subject><subject>Orthodontic Appliance Design - methods</subject><subject>Orthodontic Appliances</subject><subject>Orthodontic Brackets</subject><subject>Orthodontic Wires</subject><subject>Patient Care Planning</subject><subject>Radiography, Panoramic</subject><subject>Stress, Mechanical</subject><subject>Titanium - chemistry</subject><subject>Tooth Crown</subject><subject>Tooth Eruption</subject><subject>Tooth Movement Techniques - instrumentation</subject><subject>Tooth Movement Techniques - methods</subject><subject>Tooth Root - anatomy & histology</subject><subject>Tooth Root - pathology</subject><subject>Tooth, Impacted - complications</subject><subject>Tooth, Impacted - diagnostic imaging</subject><subject>Tooth, Impacted - therapy</subject><subject>Torque</subject><subject>Treatment Outcome</subject><issn>0889-5406</issn><issn>1097-6752</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kM1O3DAURq2qVZlCn6BSlWU3Sa8dx06QWCAELRJSN-3a8s8NePDEUzuDYMeDwMvxJPUw0y678l2c-11_h5BPFBoKVHxdNnoZXWwYUNlQ1gCIN2RBYZC1kB17SxbQ90PdcRAH5EPOSwAYOIP35IANAljb0QUJ5_drPTk_XVdzTL83WK1jzt744GeP-bg6rfItBpx1CA-VnuxNTOj2rKusnmYf8A5TNcZUbdbJX9_M27SXx6dbX5LKuIpBp_zy-HxE3o06ZPy4fw_Jr4vzn2ff66sf3y7PTq9qy4HPtbMOjTCjZFaCtNj1UghGjeHQoR2oaSnrbS8YGO5MK1upnTB6tC3jXPC-PSRfdrnrFMs386xWPlsMQU8YN1kxYMAH2gMtaLtDbSq9E46qVFjp9KAoqK1mtVSvmtVWs6JMFc1l6_P-wMas0P3b-eu1ACc7AEvNO49JZetxsuh8QjsrF_1_D_wBCWGTYw</recordid><startdate>201804</startdate><enddate>201804</enddate><creator>Barros, Sérgio Estelita</creator><creator>Janson, Guilherme</creator><creator>Chiqueto, Kelly</creator><creator>Ferreira, Eduardo</creator><creator>Rösing, Cassiano</creator><general>Elsevier Inc</general><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>201804</creationdate><title>Expanding torque possibilities: A skeletally anchored torqued cantilever for uprighting “kissing molars”</title><author>Barros, Sérgio Estelita ; Janson, Guilherme ; Chiqueto, Kelly ; Ferreira, Eduardo ; Rösing, Cassiano</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c404t-dcdeb6bf72c707ce5876621bb405ec91b3128c8620b4db3737ad6bafc32446483</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Brazil</topic><topic>Cephalometry</topic><topic>Child</topic><topic>Dental Implants</topic><topic>Dental Stress Analysis</topic><topic>Dentistry</topic><topic>Female</topic><topic>Humans</topic><topic>Malocclusion, Angle Class II - therapy</topic><topic>Mandible - diagnostic imaging</topic><topic>Molar - diagnostic imaging</topic><topic>Molar - pathology</topic><topic>Nickel - chemistry</topic><topic>Orthodontic Anchorage Procedures - instrumentation</topic><topic>Orthodontic Anchorage Procedures - methods</topic><topic>Orthodontic Appliance Design - instrumentation</topic><topic>Orthodontic Appliance Design - methods</topic><topic>Orthodontic Appliances</topic><topic>Orthodontic Brackets</topic><topic>Orthodontic Wires</topic><topic>Patient Care Planning</topic><topic>Radiography, Panoramic</topic><topic>Stress, Mechanical</topic><topic>Titanium - chemistry</topic><topic>Tooth Crown</topic><topic>Tooth Eruption</topic><topic>Tooth Movement Techniques - instrumentation</topic><topic>Tooth Movement Techniques - methods</topic><topic>Tooth Root - anatomy & histology</topic><topic>Tooth Root - pathology</topic><topic>Tooth, Impacted - complications</topic><topic>Tooth, Impacted - diagnostic imaging</topic><topic>Tooth, Impacted - therapy</topic><topic>Torque</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Barros, Sérgio Estelita</creatorcontrib><creatorcontrib>Janson, Guilherme</creatorcontrib><creatorcontrib>Chiqueto, Kelly</creatorcontrib><creatorcontrib>Ferreira, Eduardo</creatorcontrib><creatorcontrib>Rösing, Cassiano</creatorcontrib><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>American journal of orthodontics and dentofacial orthopedics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Barros, Sérgio Estelita</au><au>Janson, Guilherme</au><au>Chiqueto, Kelly</au><au>Ferreira, Eduardo</au><au>Rösing, Cassiano</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Expanding torque possibilities: A skeletally anchored torqued cantilever for uprighting “kissing molars”</atitle><jtitle>American journal of orthodontics and dentofacial orthopedics</jtitle><addtitle>Am J Orthod Dentofacial Orthop</addtitle><date>2018-04</date><risdate>2018</risdate><volume>153</volume><issue>4</issue><spage>588</spage><epage>598</epage><pages>588-598</pages><issn>0889-5406</issn><eissn>1097-6752</eissn><abstract>Several uprighting mechanics and devices have been used for repositioning tipped molars. “Kissing molars” (KMs) are an uncommon tooth impaction involving 2 severely tipped mandibular molars with their occlusal surfaces positioned crown to crown, with the roots pointing in opposite directions. Orthodontic uprighting of KMs has not been a usual treatment protocol, and it can be a challenging task due to the severe tipping and double impaction, requiring efficient and well-controlled uprighting mechanics. An innovative skeletally anchored cantilever, which uses the torque principle for uprighting tipped molars, is suggested. This torqued cantilever is easy to manufacture, install, and activate; it is a well-known torque that is effective for producing root movement. A successful treatment of symptomatic KMs, involving the first and second molars, was achieved with this cantilever. Thus, clinicians should consider the suggested uprighting mechanics and orthodontic device as a more conservative alternative to extraction of KMs, depending on the patient's age, involved teeth in KMs, tipping severity, and impaction positions.
•“Kissing molars” (KMs) are uncommon tooth impactions involving 2 severely tipped mandibular molars.•An innovative skeletally anchored cantilever, which uses the torque principle, is proposed for KM treatment.•KMs were successfully treated, achieving an excellent occlusal balance.•Reasons and guidelines for orthodontic treatment of KMs are discussed.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>29602351</pmid><doi>10.1016/j.ajodo.2017.12.006</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | American journal of orthodontics and dentofacial orthopedics, 2018-04, Vol.153 (4), p.588-598 |
| issn | 0889-5406 1097-6752 |
| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Brazil Cephalometry Child Dental Implants Dental Stress Analysis Dentistry Female Humans Malocclusion, Angle Class II - therapy Mandible - diagnostic imaging Molar - diagnostic imaging Molar - pathology Nickel - chemistry Orthodontic Anchorage Procedures - instrumentation Orthodontic Anchorage Procedures - methods Orthodontic Appliance Design - instrumentation Orthodontic Appliance Design - methods Orthodontic Appliances Orthodontic Brackets Orthodontic Wires Patient Care Planning Radiography, Panoramic Stress, Mechanical Titanium - chemistry Tooth Crown Tooth Eruption Tooth Movement Techniques - instrumentation Tooth Movement Techniques - methods Tooth Root - anatomy & histology Tooth Root - pathology Tooth, Impacted - complications Tooth, Impacted - diagnostic imaging Tooth, Impacted - therapy Torque Treatment Outcome |
| title | Expanding torque possibilities: A skeletally anchored torqued cantilever for uprighting “kissing molars” |
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