Effect of mandibular setback surgery on occlusal force
Purpose: This study investigated the effect of mandibular setback surgery on occlusal force and evaluated the extent to which postsurgical changes in such force can be explained by the type of operation, the duration of maxillomandibular fixation (MMF), and the changes in the mechanical advantage of...
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| Veröffentlicht in: | Journal of oral and maxillofacial surgery 1997-02, Vol.55 (2), p.121-126 |
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| container_title | Journal of oral and maxillofacial surgery |
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| creator | Kim, Yeo Gab Oh, Sung Hwan |
| description | Purpose:
This study investigated the effect of mandibular setback surgery on occlusal force and evaluated the extent to which postsurgical changes in such force can be explained by the type of operation, the duration of maxillomandibular fixation (MMF), and the changes in the mechanical advantage of the jaw musculature.
Materials and Methods:
Maximal molar bite force was measured before surgery and at MMF removal, and 3, 6, and 12 months thereafter in 26 patients with mandibular prognothism. To correlate bite force and skeletal change, the cephalometric tracings were measured, tabulated, and statistically analyzed.
Results:
Mean bite force was 13.7 kg before surgery, 7.6 kg at MMF removal, 14.2 kg at 3 months, 19.7 kg at 6 months, and 26.1 kg at 12 months postsurgery. The bite force was positively correlated with the surgical change in mandibular plane angle and mandibular body length. The recovery of bite force was significantly affected by the type of operation and duration of MMF.
Conclusions:
To hasten recovery and increase bite force after orthognathic surgery, long periods of MMF and injury to the masticatory muscles should be avoided. |
| doi_str_mv | 10.1016/S0278-2391(97)90224-X |
| format | Article |
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This study investigated the effect of mandibular setback surgery on occlusal force and evaluated the extent to which postsurgical changes in such force can be explained by the type of operation, the duration of maxillomandibular fixation (MMF), and the changes in the mechanical advantage of the jaw musculature.
Materials and Methods:
Maximal molar bite force was measured before surgery and at MMF removal, and 3, 6, and 12 months thereafter in 26 patients with mandibular prognothism. To correlate bite force and skeletal change, the cephalometric tracings were measured, tabulated, and statistically analyzed.
Results:
Mean bite force was 13.7 kg before surgery, 7.6 kg at MMF removal, 14.2 kg at 3 months, 19.7 kg at 6 months, and 26.1 kg at 12 months postsurgery. The bite force was positively correlated with the surgical change in mandibular plane angle and mandibular body length. The recovery of bite force was significantly affected by the type of operation and duration of MMF.
Conclusions:
To hasten recovery and increase bite force after orthognathic surgery, long periods of MMF and injury to the masticatory muscles should be avoided.</description><identifier>ISSN: 0278-2391</identifier><identifier>EISSN: 1531-5053</identifier><identifier>DOI: 10.1016/S0278-2391(97)90224-X</identifier><identifier>PMID: 9024347</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Adolescent ; Adult ; Analysis of Variance ; Bite Force ; Cephalometry ; Dentistry ; Female ; Humans ; Immobilization - adverse effects ; Jaw Fixation Techniques - adverse effects ; Male ; Mandible - abnormalities ; Mandible - surgery ; Osteotomy - adverse effects ; Osteotomy - methods ; Prognathism - surgery ; Sex Factors ; Statistics, Nonparametric</subject><ispartof>Journal of oral and maxillofacial surgery, 1997-02, Vol.55 (2), p.121-126</ispartof><rights>1997</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c459t-a3d13b5a0047b7fde3957213a2f3730706ed32b7d1d5941782458d478a7915dd3</citedby><cites>FETCH-LOGICAL-c459t-a3d13b5a0047b7fde3957213a2f3730706ed32b7d1d5941782458d478a7915dd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S027823919790224X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9024347$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kim, Yeo Gab</creatorcontrib><creatorcontrib>Oh, Sung Hwan</creatorcontrib><title>Effect of mandibular setback surgery on occlusal force</title><title>Journal of oral and maxillofacial surgery</title><addtitle>J Oral Maxillofac Surg</addtitle><description>Purpose:
This study investigated the effect of mandibular setback surgery on occlusal force and evaluated the extent to which postsurgical changes in such force can be explained by the type of operation, the duration of maxillomandibular fixation (MMF), and the changes in the mechanical advantage of the jaw musculature.
Materials and Methods:
Maximal molar bite force was measured before surgery and at MMF removal, and 3, 6, and 12 months thereafter in 26 patients with mandibular prognothism. To correlate bite force and skeletal change, the cephalometric tracings were measured, tabulated, and statistically analyzed.
Results:
Mean bite force was 13.7 kg before surgery, 7.6 kg at MMF removal, 14.2 kg at 3 months, 19.7 kg at 6 months, and 26.1 kg at 12 months postsurgery. The bite force was positively correlated with the surgical change in mandibular plane angle and mandibular body length. The recovery of bite force was significantly affected by the type of operation and duration of MMF.
Conclusions:
To hasten recovery and increase bite force after orthognathic surgery, long periods of MMF and injury to the masticatory muscles should be avoided.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Analysis of Variance</subject><subject>Bite Force</subject><subject>Cephalometry</subject><subject>Dentistry</subject><subject>Female</subject><subject>Humans</subject><subject>Immobilization - adverse effects</subject><subject>Jaw Fixation Techniques - adverse effects</subject><subject>Male</subject><subject>Mandible - abnormalities</subject><subject>Mandible - surgery</subject><subject>Osteotomy - adverse effects</subject><subject>Osteotomy - methods</subject><subject>Prognathism - surgery</subject><subject>Sex Factors</subject><subject>Statistics, Nonparametric</subject><issn>0278-2391</issn><issn>1531-5053</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtLAzEUhYMotVZ_QmFWoovRZJLMTVYipT6g4EKF7kImDxmdR01mhP57pw-67eouznfugQ-hKcF3BJP8_h1nINKMSnIj4VbiLGPp8gSNCack5ZjTUzQ-IOfoIsZvjAnhkI_QaMAZZTBG-dx7Z7qk9UmtG1sWfaVDEl1XaPOTxD58ubBO2iZpjan6qKvEt8G4S3TmdRXd1f5O0OfT_GP2ki7enl9nj4vUMC67VFNLaME1xgwK8NZRySEjVGeeAsWAc2dpVoAllktGQGSMC8tAaJCEW0sn6Hr3dxXa397FTtVlNK6qdOPaPioQggBQfhQkXOSCCTmAfAea0MYYnFerUNY6rBXBaiNWbcWqjTUlQW3FquXQm-4H-qJ29tDamxzyh13uBh1_pQsqmtI1xtkyDIKVbcsjC__tYIY4</recordid><startdate>19970201</startdate><enddate>19970201</enddate><creator>Kim, Yeo Gab</creator><creator>Oh, Sung Hwan</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>7QP</scope><scope>7X8</scope><scope>8BM</scope></search><sort><creationdate>19970201</creationdate><title>Effect of mandibular setback surgery on occlusal force</title><author>Kim, Yeo Gab ; Oh, Sung Hwan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c459t-a3d13b5a0047b7fde3957213a2f3730706ed32b7d1d5941782458d478a7915dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Analysis of Variance</topic><topic>Bite Force</topic><topic>Cephalometry</topic><topic>Dentistry</topic><topic>Female</topic><topic>Humans</topic><topic>Immobilization - adverse effects</topic><topic>Jaw Fixation Techniques - adverse effects</topic><topic>Male</topic><topic>Mandible - abnormalities</topic><topic>Mandible - surgery</topic><topic>Osteotomy - adverse effects</topic><topic>Osteotomy - methods</topic><topic>Prognathism - surgery</topic><topic>Sex Factors</topic><topic>Statistics, Nonparametric</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Yeo Gab</creatorcontrib><creatorcontrib>Oh, Sung Hwan</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>MEDLINE - Academic</collection><collection>ComDisDome</collection><jtitle>Journal of oral and maxillofacial surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Yeo Gab</au><au>Oh, Sung Hwan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of mandibular setback surgery on occlusal force</atitle><jtitle>Journal of oral and maxillofacial surgery</jtitle><addtitle>J Oral Maxillofac Surg</addtitle><date>1997-02-01</date><risdate>1997</risdate><volume>55</volume><issue>2</issue><spage>121</spage><epage>126</epage><pages>121-126</pages><issn>0278-2391</issn><eissn>1531-5053</eissn><abstract>Purpose:
This study investigated the effect of mandibular setback surgery on occlusal force and evaluated the extent to which postsurgical changes in such force can be explained by the type of operation, the duration of maxillomandibular fixation (MMF), and the changes in the mechanical advantage of the jaw musculature.
Materials and Methods:
Maximal molar bite force was measured before surgery and at MMF removal, and 3, 6, and 12 months thereafter in 26 patients with mandibular prognothism. To correlate bite force and skeletal change, the cephalometric tracings were measured, tabulated, and statistically analyzed.
Results:
Mean bite force was 13.7 kg before surgery, 7.6 kg at MMF removal, 14.2 kg at 3 months, 19.7 kg at 6 months, and 26.1 kg at 12 months postsurgery. The bite force was positively correlated with the surgical change in mandibular plane angle and mandibular body length. The recovery of bite force was significantly affected by the type of operation and duration of MMF.
Conclusions:
To hasten recovery and increase bite force after orthognathic surgery, long periods of MMF and injury to the masticatory muscles should be avoided.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>9024347</pmid><doi>10.1016/S0278-2391(97)90224-X</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0278-2391 |
| ispartof | Journal of oral and maxillofacial surgery, 1997-02, Vol.55 (2), p.121-126 |
| issn | 0278-2391 1531-5053 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_78817735 |
| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Adolescent Adult Analysis of Variance Bite Force Cephalometry Dentistry Female Humans Immobilization - adverse effects Jaw Fixation Techniques - adverse effects Male Mandible - abnormalities Mandible - surgery Osteotomy - adverse effects Osteotomy - methods Prognathism - surgery Sex Factors Statistics, Nonparametric |
| title | Effect of mandibular setback surgery on occlusal force |
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