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An anatomic study of the bifid zygomaticus major muscle

Authors
 Kyung-Seok Hu  ;  Guang-Chun Jin  ;  Kwan-Hyun Youn  ;  Hyun-Ho Kwak  ;  Ki-Seok Koh  ;  Christian Fontaine  ;  Hee-Jin Kim 
Citation
 JOURNAL OF CRANIOFACIAL SURGERY, Vol.19(2) : 534-536, 2008 
Journal Title
 JOURNAL OF CRANIOFACIAL SURGERY 
ISSN
 1049-2275 
Issue Date
2008
MeSH
Adipose Tissue/anatomy & histology ; Aged ; Cadaver ; Cheek/anatomy & histology ; Dissection ; Facial Expression ; Facial Muscles/anatomy & histology* ; Fascia/anatomy & histology ; Female ; Humans ; Male ; Mouth/anatomy & histology* ; Muscle Fibers, Skeletal/cytology ; Sex Factors
Keywords
Zygomaticus major ; bifid zygomaticus major ; facial expression
Abstract
The dramatic changes in facial expression are most remarkable in the perioral region. Among the perioral musculatures, the zygomaticus major (ZMj) muscle plays an important role in the facial expression. The aim of this study was to determine the anatomic patterns of the bifid ZMj through a topographic examination at the perioral region. Through 70 dissections of the hemifaces, the insertion area of the ZMj was observed in 70 embalmed cadavers. The bifid ZMj was observed in 28 cases (40%). In most cases of the bifid ZMj, the superior muscle fibers were larger and wider than the inferior fibers. Bilateral bifid ZMj was found in 71.4% of the bifid ZMj specimens. The arrangement and insertion patterns of the ZMj in this study are expected to provide critical information for the surgical planning and procedure for facial reanimation surgery.
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=00001665-200803000-00041&LSLINK=80&D=ovft
DOI
10.1097/SCS.0b013e318163e400
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Hu, Kyung Seok(허경석) ORCID logo https://orcid.org/0000-0002-9048-3805
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/106330
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