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・ Disney Channel Circle of Stars
・ Disley Jones
・ Disley railway station
・ Disley Tunnel
・ Disley, Saskatchewan
・ DISLIN
・ Dislisazancik baligi
・ Dislocated shoulder
・ Dislocation
・ Dislocation (syntax)
・ Dislocation Blues
・ Dislocation creep
・ Dislocation Dance
・ Dislocation of hip
・ Dislocation of hip in animals
Dislocation of jaw
・ Dislocation of Sami people
・ Disloque en el presidio
・ Disloque en Mar del Plata
・ Disloyal statements
・ Disma Fumagalli
・ Dismal Buttress
・ Dismal Euphony
・ Dismal Island
・ Dismal Key
・ Dismal Lakes
・ Dismal Mountains
・ Dismal Nitch
・ Dismal Ridge
・ Dismal River


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Dislocation of jaw : ウィキペディア英語版
Dislocation of jaw

Dislocations occur when two bones that originally met at the joint detach. Dislocations should not be confused with Subluxation. Subluxation is when the joint is still partially attached to the bone.
When a person has a dislocated jaw it is difficult to open and close the mouth. Dislocation can occur following a series of events if the jaw locks while open or unable to close. If the jaw is dislocated, it may cause an extreme headache or inability to concentrate. When the muscle's alignment is out of sync, a pain will occur due to unwanted rotation of the jaw.
If the pain remains constant, it may require surgery to realign the jaw. Depending on the severity of the jaw's dislocation, pain relief such as paracetamol may assist to alleviate the initial chronic pain. If the pain relief is taken for an extended period of time, it may negatively affect the person while talking, eating, drinking, etc.
==Anatomy==
The joint involved with jaw dislocation is the temporomandibular joint (TMJ). This joint is located where the mandibular condyles and the temporal bone meet. Membranes that surround the bones help during the hinging and gliding of jaw movement. For the mouth to close it requires the following muscles: the masseter, temporalis, and medial pterygoid muscle. For the jaw to open it requires the lateral pterygoid muscle.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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