Double Chin Concerns after En Bloc Mandibular U-Shaped Osteotomy: Submental-Cervical Soft Tissue Changes and Anterior Belly of Digastric Muscle Assessment
Objective To assess submental-cervical soft tissue changes after en bloc mandibular U-shaped osteotomy and examine alterations in the anterior belly of digastric muscle (ABDM). Methods A retrospective study analyzed 20 patients who underwent en bloc mandibular U-shaped osteotomy from 2018 to 2023. P...
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| Veröffentlicht in: | Aesthetic plastic surgery 2024-06, Vol.48 (11), p.2025-2033 |
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| creator | Yue, Yingying Guo, Xiaoshuang Lai, Chenzhi Jin, Xiaolei |
| description | Objective
To assess submental-cervical soft tissue changes after en bloc mandibular U-shaped osteotomy and examine alterations in the anterior belly of digastric muscle (ABDM).
Methods
A retrospective study analyzed 20 patients who underwent en bloc mandibular U-shaped osteotomy from 2018 to 2023. Preoperative (Tp) and long-term follow-up (Tf) CT data were collected for analysis, measuring mandibular volume, soft tissue thickness at menton (Mes) and cervicale (C), and ABDM parameters (length, cross-sectional area (CSA), volume, distance from centroid point to the mandibular margin). Correlation analyses were performed to investigate the connection between soft tissue thickness changes, ABDM changes, and mandibular osteotomy volume.
Results
Long-term follow-up revealed a significant increase in soft tissue thickness at the Mes and C points after U-shaped mandibular osteotomy, especially at the C point. The adaptive length of ABDM decreased, CSA increased, and volume decreased, but the ABDM centroid point shifted downward relative to the mandibular margin, indicating drooping protrusion. The increment of soft tissue thickness was moderately positively correlated with the amount of osteotomy, and the decrement of ABDM length and volume were slightly positively correlated with the amount of osteotomy.
Conclusion
The degree of soft tissue relaxation after U-shaped osteotomy is related to the extent of osteotomy. Notably, the protrusion of ABDM relative to the mandibular margin affects submental-cervical contour aesthetics. Prior to U-shaped osteotomy, it is crucial to assess the soft tissue condition of the patient’s lower face, and the individualized design of the osteotomy volume should be carried out cautiously and safely.
Level of Evidence IV
This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors
www.springer.com/00266
. |
| doi_str_mv | 10.1007/s00266-024-03955-w |
| format | Article |
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To assess submental-cervical soft tissue changes after en bloc mandibular U-shaped osteotomy and examine alterations in the anterior belly of digastric muscle (ABDM).
Methods
A retrospective study analyzed 20 patients who underwent en bloc mandibular U-shaped osteotomy from 2018 to 2023. Preoperative (Tp) and long-term follow-up (Tf) CT data were collected for analysis, measuring mandibular volume, soft tissue thickness at menton (Mes) and cervicale (C), and ABDM parameters (length, cross-sectional area (CSA), volume, distance from centroid point to the mandibular margin). Correlation analyses were performed to investigate the connection between soft tissue thickness changes, ABDM changes, and mandibular osteotomy volume.
Results
Long-term follow-up revealed a significant increase in soft tissue thickness at the Mes and C points after U-shaped mandibular osteotomy, especially at the C point. The adaptive length of ABDM decreased, CSA increased, and volume decreased, but the ABDM centroid point shifted downward relative to the mandibular margin, indicating drooping protrusion. The increment of soft tissue thickness was moderately positively correlated with the amount of osteotomy, and the decrement of ABDM length and volume were slightly positively correlated with the amount of osteotomy.
Conclusion
The degree of soft tissue relaxation after U-shaped osteotomy is related to the extent of osteotomy. Notably, the protrusion of ABDM relative to the mandibular margin affects submental-cervical contour aesthetics. Prior to U-shaped osteotomy, it is crucial to assess the soft tissue condition of the patient’s lower face, and the individualized design of the osteotomy volume should be carried out cautiously and safely.
Level of Evidence IV
This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors
www.springer.com/00266
.</description><identifier>ISSN: 0364-216X</identifier><identifier>ISSN: 1432-5241</identifier><identifier>EISSN: 1432-5241</identifier><identifier>DOI: 10.1007/s00266-024-03955-w</identifier><identifier>PMID: 38536429</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Adult ; Aesthetics ; Chin - surgery ; Cohort Studies ; Esthetics ; Female ; Follow-Up Studies ; Hospitals ; Humans ; Male ; Mandible - diagnostic imaging ; Mandible - surgery ; Mandibular Osteotomy - methods ; Medical imaging ; Medicine ; Medicine & Public Health ; Neck Muscles - diagnostic imaging ; Neck Muscles - surgery ; Original Articles ; Osteotomy - methods ; Otorhinolaryngology ; Patients ; Plastic Surgery ; Retrospective Studies ; Tomography, X-Ray Computed - methods ; Young Adult</subject><ispartof>Aesthetic plastic surgery, 2024-06, Vol.48 (11), p.2025-2033</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature and International Society of Aesthetic Plastic Surgery 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>2024. Springer Science+Business Media, LLC, part of Springer Nature and International Society of Aesthetic Plastic Surgery.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c326t-b408979408f702940a71806f1896af033c20bae4a6523bc25560ccb2facd0ac33</cites><orcidid>0000-0003-2894-4700</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00266-024-03955-w$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00266-024-03955-w$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38536429$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yue, Yingying</creatorcontrib><creatorcontrib>Guo, Xiaoshuang</creatorcontrib><creatorcontrib>Lai, Chenzhi</creatorcontrib><creatorcontrib>Jin, Xiaolei</creatorcontrib><title>Double Chin Concerns after En Bloc Mandibular U-Shaped Osteotomy: Submental-Cervical Soft Tissue Changes and Anterior Belly of Digastric Muscle Assessment</title><title>Aesthetic plastic surgery</title><addtitle>Aesth Plast Surg</addtitle><addtitle>Aesthetic Plast Surg</addtitle><description>Objective
To assess submental-cervical soft tissue changes after en bloc mandibular U-shaped osteotomy and examine alterations in the anterior belly of digastric muscle (ABDM).
Methods
A retrospective study analyzed 20 patients who underwent en bloc mandibular U-shaped osteotomy from 2018 to 2023. Preoperative (Tp) and long-term follow-up (Tf) CT data were collected for analysis, measuring mandibular volume, soft tissue thickness at menton (Mes) and cervicale (C), and ABDM parameters (length, cross-sectional area (CSA), volume, distance from centroid point to the mandibular margin). Correlation analyses were performed to investigate the connection between soft tissue thickness changes, ABDM changes, and mandibular osteotomy volume.
Results
Long-term follow-up revealed a significant increase in soft tissue thickness at the Mes and C points after U-shaped mandibular osteotomy, especially at the C point. The adaptive length of ABDM decreased, CSA increased, and volume decreased, but the ABDM centroid point shifted downward relative to the mandibular margin, indicating drooping protrusion. The increment of soft tissue thickness was moderately positively correlated with the amount of osteotomy, and the decrement of ABDM length and volume were slightly positively correlated with the amount of osteotomy.
Conclusion
The degree of soft tissue relaxation after U-shaped osteotomy is related to the extent of osteotomy. Notably, the protrusion of ABDM relative to the mandibular margin affects submental-cervical contour aesthetics. Prior to U-shaped osteotomy, it is crucial to assess the soft tissue condition of the patient’s lower face, and the individualized design of the osteotomy volume should be carried out cautiously and safely.
Level of Evidence IV
This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors
www.springer.com/00266
.</description><subject>Adult</subject><subject>Aesthetics</subject><subject>Chin - surgery</subject><subject>Cohort Studies</subject><subject>Esthetics</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Hospitals</subject><subject>Humans</subject><subject>Male</subject><subject>Mandible - diagnostic imaging</subject><subject>Mandible - surgery</subject><subject>Mandibular Osteotomy - methods</subject><subject>Medical imaging</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Neck Muscles - diagnostic imaging</subject><subject>Neck Muscles - surgery</subject><subject>Original Articles</subject><subject>Osteotomy - methods</subject><subject>Otorhinolaryngology</subject><subject>Patients</subject><subject>Plastic Surgery</subject><subject>Retrospective Studies</subject><subject>Tomography, X-Ray Computed - methods</subject><subject>Young Adult</subject><issn>0364-216X</issn><issn>1432-5241</issn><issn>1432-5241</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kc9u1DAQhy1ERZfCC3BAlrhwMR3_ibPhtk1bQCrqYVuJW-Q4Tusqay-ehGrfhUOfpU9WL1uK1AMXz8HffDOaHyHvOHziAOUhAgitGQjFQFZFwW5fkBlXUrBCKP6SzEBqxQTXP_bJa8QbAC7KUr0i-3Je5C9Rzcjv4zi1g6P1tQ-0jsG6FJCafnTp_u4k0KMhWvrdhM6302ASvWTLa7N23f3dOY4ujnG1-UyXU7tyYTQDq1365a0Z6DL2I73wiNPWbcKVy9bQ0UXIZh8TPXLDsKGxp8f-yuCYfB4zoc2rLBAd4lb4huz1ZkD39rEekMvTk4v6Kzs7__KtXpwxK4UeWatgXpVVfvsSRK6m5HPQPZ9X2vQgpRXQGqeMLoRsrSgKDda2oje2A2OlPCAfd951ij8nh2Oz8mjzgia4OGEjgSsAmc-Z0Q_P0Js4pZC3y5RWivNSFJkSO8qmiJhc36yTX5m0aTg02-yaXXZNzq75k11zm5veP6q35-yeWv6GlQG5AzB_5Yumf7P_o30AJ3CnMg</recordid><startdate>20240601</startdate><enddate>20240601</enddate><creator>Yue, Yingying</creator><creator>Guo, Xiaoshuang</creator><creator>Lai, Chenzhi</creator><creator>Jin, Xiaolei</creator><general>Springer US</general><general>Springer Nature B.V</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>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-2894-4700</orcidid></search><sort><creationdate>20240601</creationdate><title>Double Chin Concerns after En Bloc Mandibular U-Shaped Osteotomy: Submental-Cervical Soft Tissue Changes and Anterior Belly of Digastric Muscle Assessment</title><author>Yue, Yingying ; Guo, Xiaoshuang ; Lai, Chenzhi ; Jin, Xiaolei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c326t-b408979408f702940a71806f1896af033c20bae4a6523bc25560ccb2facd0ac33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Adult</topic><topic>Aesthetics</topic><topic>Chin - surgery</topic><topic>Cohort Studies</topic><topic>Esthetics</topic><topic>Female</topic><topic>Follow-Up Studies</topic><topic>Hospitals</topic><topic>Humans</topic><topic>Male</topic><topic>Mandible - diagnostic imaging</topic><topic>Mandible - surgery</topic><topic>Mandibular Osteotomy - methods</topic><topic>Medical imaging</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Neck Muscles - diagnostic imaging</topic><topic>Neck Muscles - surgery</topic><topic>Original Articles</topic><topic>Osteotomy - methods</topic><topic>Otorhinolaryngology</topic><topic>Patients</topic><topic>Plastic Surgery</topic><topic>Retrospective Studies</topic><topic>Tomography, X-Ray Computed - methods</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yue, Yingying</creatorcontrib><creatorcontrib>Guo, Xiaoshuang</creatorcontrib><creatorcontrib>Lai, Chenzhi</creatorcontrib><creatorcontrib>Jin, Xiaolei</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Aesthetic plastic surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yue, Yingying</au><au>Guo, Xiaoshuang</au><au>Lai, Chenzhi</au><au>Jin, Xiaolei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Double Chin Concerns after En Bloc Mandibular U-Shaped Osteotomy: Submental-Cervical Soft Tissue Changes and Anterior Belly of Digastric Muscle Assessment</atitle><jtitle>Aesthetic plastic surgery</jtitle><stitle>Aesth Plast Surg</stitle><addtitle>Aesthetic Plast Surg</addtitle><date>2024-06-01</date><risdate>2024</risdate><volume>48</volume><issue>11</issue><spage>2025</spage><epage>2033</epage><pages>2025-2033</pages><issn>0364-216X</issn><issn>1432-5241</issn><eissn>1432-5241</eissn><abstract>Objective
To assess submental-cervical soft tissue changes after en bloc mandibular U-shaped osteotomy and examine alterations in the anterior belly of digastric muscle (ABDM).
Methods
A retrospective study analyzed 20 patients who underwent en bloc mandibular U-shaped osteotomy from 2018 to 2023. Preoperative (Tp) and long-term follow-up (Tf) CT data were collected for analysis, measuring mandibular volume, soft tissue thickness at menton (Mes) and cervicale (C), and ABDM parameters (length, cross-sectional area (CSA), volume, distance from centroid point to the mandibular margin). Correlation analyses were performed to investigate the connection between soft tissue thickness changes, ABDM changes, and mandibular osteotomy volume.
Results
Long-term follow-up revealed a significant increase in soft tissue thickness at the Mes and C points after U-shaped mandibular osteotomy, especially at the C point. The adaptive length of ABDM decreased, CSA increased, and volume decreased, but the ABDM centroid point shifted downward relative to the mandibular margin, indicating drooping protrusion. The increment of soft tissue thickness was moderately positively correlated with the amount of osteotomy, and the decrement of ABDM length and volume were slightly positively correlated with the amount of osteotomy.
Conclusion
The degree of soft tissue relaxation after U-shaped osteotomy is related to the extent of osteotomy. Notably, the protrusion of ABDM relative to the mandibular margin affects submental-cervical contour aesthetics. Prior to U-shaped osteotomy, it is crucial to assess the soft tissue condition of the patient’s lower face, and the individualized design of the osteotomy volume should be carried out cautiously and safely.
Level of Evidence IV
This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors
www.springer.com/00266
.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>38536429</pmid><doi>10.1007/s00266-024-03955-w</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-2894-4700</orcidid></addata></record> |
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| subjects | Adult Aesthetics Chin - surgery Cohort Studies Esthetics Female Follow-Up Studies Hospitals Humans Male Mandible - diagnostic imaging Mandible - surgery Mandibular Osteotomy - methods Medical imaging Medicine Medicine & Public Health Neck Muscles - diagnostic imaging Neck Muscles - surgery Original Articles Osteotomy - methods Otorhinolaryngology Patients Plastic Surgery Retrospective Studies Tomography, X-Ray Computed - methods Young Adult |
| title | Double Chin Concerns after En Bloc Mandibular U-Shaped Osteotomy: Submental-Cervical Soft Tissue Changes and Anterior Belly of Digastric Muscle Assessment |
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