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KMID : 0602920090150010049
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Journal of the Korean Society of Aesthetic Plastic Surgery
2009 Volume.15 No. 1 p.49 ~ p.54
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Muscular System of Depressor Septi Nasi: Anatomical Study and Clinical Application
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Jeong Jae-Yong
Oh Sang-Ha
Kang Nak-Heon
Lee Seung-Ryul
Kim Dong-Woon
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Abstract
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Hyper-activated depressor septi nasi is an important factor caused a nasal tip drooping and many studies have been carried out, however it still remains controversial. This study presents a surgical modality for its intervention, based on the anatomical study. Eleven fixed and six fresh cadavers were used for the study. We found that the depressor septi nasi was consisted of three fascicles. Medial fascicles were inserted into the dermocartilaginous ligament, and deep fibers of the medial fascicles were attached to the anterior nasal spine. After superficial fibers were interdigitated with the orbicularis oris, they were attached to the alveolar bone. Intermedial fascicles were inserted to the footplates of the medial cruses and the caudal septum. After they were interdigitated with the medial fascicle and the orbicularis oris, they were attached to the alveolar bone. From April to August 2008, five patients had surgical intervention for hyper-activated depressor septi nasi. Medial and intermedial fascicles were detached completely from the anterior nasal spine and the septum through intranasal approach. Tip droopings were improved in all cases. Specific complications were not found. We believe that surgical intervention through intranasal approach is a useful method for correction of tip drooping.
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KEYWORD
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Nose, Rhinoplasty, Facial muscles
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