| 보툴리눔 톡신 주사를 위한 깨물근 얕은층의 임상해부학적 고찰 |
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이형진1, 김희진2 |
1연세대학교 치과대학 구강생물학교실, 해부 및 발생생물학 연구실
2연세대학교 치과대학 구강생물학교실, 해부 및 발생생물학 연구실 |
| Clinical anatomic consideration of the superficial layer of the masseter muscle for botulinum toxin injection |
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Hyung-Jin Lee1, Hee-Jin Kim2 |
1Division in Anatomy and Developmental Biology, Department of Oral Biology, Human Identification Research Center, BK21 PLUS Project, Yonsei University College of Dentistry
2Division in Anatomy and Developmental Biology, Department of Oral Biology, Human Identification Research Center, BK21 PLUS Project, Yonsei University College of Dentistry |
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| Abstract |
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In clinical dentistry, botulinum toxin is generally used to treat the square jaw, bruxism, and temporomandibular joint diseases. Recently, this procedure has been expanded and applied for cosmetic purposes, and it is becoming a key task to be aware of the precise anatomical structure of the target muscles to be cautious during treatment and how to prevent side effects. Therefore, the purpose of this study is to observe the anatomical structure of the superficial layer of masseter muscle and to provide a most effective botulinum toxin injection method through clinical anatomical consideration. It was observed that the muscle belly of superficial part of the superficial layer was originated from the deep to the aponeurosis of masseter muscle and descend, then changed gradually into the tendon structure attaching to the inferior border of the mandible. In this study, we named this structure deep inferior tendon. This structure was observed in all specimens. We conclude that the use of superficial layer and deep layer injection should be considered to prevent paradoxical masseteric bulging in consideration of the deep inferior tendon of superficial part of superficial layer of masseter muscle. |
| Key Words:
Masseter muscle;tendinous structure;botulinum neurotoxin type A injection;masseteric bulging; |
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