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An anatomic study of the zygomaticus major and minor muscles  

Choi, Da-Yae (Division in Anatomy and Developmental Biology, Department of Oral Biology, Yonsei University College of Dentistry)
Hu, Kyung-Seok (Division in Anatomy and Developmental Biology, Department of Oral Biology, Yonsei University College of Dentistry)
Kim, Hee-Jin (Division in Anatomy and Developmental Biology, Department of Oral Biology, Yonsei University College of Dentistry)
Publication Information
The Journal of the Korean dental association / v.50, no.10, 2012 , pp. 616-619 More about this Journal
Abstract
The aim of this study was to clarify the arrangement of the zygomaticus major muscle, and to describe morphology of zygomaticus minor muscle. After a detailed dissection, the zygomaticus muscles were observed in 66 embalmed cadavers. It was found that the insertion of zygomaticus major was divided into superficial and deep bands(42/70, 60%). Zygomaticus minor was inserted not only upper lip also alar portion(5/54, 9.2%). The arrangement and insertion patterns of the zygomaticus muscles in this study are expected to provide critical information for understanding or smile pattern and treatment or fold.
Keywords
zygomaticus major muscle; zygomaticus minor muscle; facial expression; nasolabial fold;
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  • Reference
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