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Topography of the masseter muscle in relation to treatment with botulinum toxin type A

Authors
 Kyung-Seok Hu  ;  Seong-Taek Kim  ;  Mi-Sun Hur  ;  Ju-Hyun Park  ;  Wu-Chul Song  ;  Ki-Seok Koh  ;  Hee-Jin Kim 
Citation
 ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY, Vol.110(2) : 167-171, 2010 
Journal Title
 ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY 
ISSN
 1079-2104 
Issue Date
2010
MeSH
Adult ; Aged ; Aged, 80 and over ; Botulinum Toxins, Type A/administration & dosage* ; Cadaver ; Female ; Humans ; Injections, Intramuscular/methods ; Male ; Mandibular Nerve/anatomy & histology ; Masseter Muscle/anatomy & histology* ; Masseter Muscle/blood supply ; Masseter Muscle/innervation ; Middle Aged ; Neuromuscular Agents/administration & dosage* ; Parotid Gland/anatomy & histology ; Safety
Abstract
OBJECTIVE: The objective of this study was to provide the safest and most efficient site for injection of botulinum toxin type A into the masseter muscle. STUDY DESIGN: This study was performed on 40 hemifaces from cadavers. The surface of the masseter was compartmentalized into areas I to VIII. Areas I, III, V, and VII were assigned to represent the upper 4 compartments from the posterior aspect of each muscle, and areas II, IV, VI, and VIII were assigned to represent the lower 4 compartments. RESULTS: The parotid gland usually covered compartments I and II, and the marginal mandibular branch of the facial nerve was located a mean of 7.4 mm above the inferior mandibular margin. The parotid duct was usually located above the reference line connecting the tragus and the cheilion. CONCLUSION: The center of compartment VI is the safest and most efficient injection site for botulinum toxin type A into the masseter muscle.
Full Text
http://www.sciencedirect.com/science/article/pii/S1079210409009779
DOI
10.1016/j.tripleo.2009.12.036
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orofacial Pain and Oral Medicine (구강내과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Seong Taek(김성택)
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Park, Ju Hyun(박주현)
Hu, Kyung Seok(허경석) ORCID logo https://orcid.org/0000-0002-9048-3805
Hur, Mi Sun(허미선)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/101512
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