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Korean J Anesthesiol > Volume 39(1); 2000 > Article
Korean Journal of Anesthesiology 2000;39(1):125-128.
DOI: https://doi.org/10.4097/kjae.2000.39.1.125   
Closed Lock of the Jaw on Induction of Anesthesia.
In Ho Lee, Il Ok Lee, Jae Hwan Kim, Sang Ho Lim, Byung Kook Chae, Hye Weon Shin
1Department of Anesthesiology, College of Medicine, Korea University, Seoul, Korea.
2Department of Anesthesiology, Pundang Jesaeng General Hospital, Pundang, Korea.
3Department of Anesthesiology, Seoul Eulji General Hospital, Seoul, Korea.
The temporomandibular joint (TMJ) is unique among joints in the human body, since it can be dislocated without external force. Manipulation of the upper airway other than laryngoscopy is a risk factor in patients who have a history of habitual dislocation of the TMJ. The case report illustrates that severe limitation of the jaw opening ("closed lock") requiring manipulation for restoration may occur during induction of general anesthesia.
Key Words: Complications: closed lock; Induction: anesthesia


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