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Tetanus (from Ancient Greek τέτανος 'tension, stretched, rigid'), also known as lockjaw, is a bacterial infection caused by Clostridium tetani and characterized by muscle spasms.
It is a temporary condition that usually lasts no more than two weeks. Dental trismus is caused by an injury to the masticatory muscles, such as opening the jaw for an extended period of time or having a needle pass through a muscle. Typical dental anesthesia for the lower jaw involves inserting a needle into or through a muscle.
Trismus, a pathological condition in which the mouth is held shut by sustained spasm of the masseter (jaw) muscle, often observed in cases of tetanus; Tetanus, an infectious disease of the central nervous system; Temporomandibular joint dysfunction or TMD, often erroneously called TMJ
Pseudobulbar palsy is the result of damage of motor fibers traveling from the cerebral cortex to the lower brain stem. This damage might arise in the course of a variety of neurological conditions that involve demyelination and bilateral corticobulbar lesions.
The jaw may lock entirely. [27] Limitation of mandibular movement itself may lead to further problems involving the TMJs and the muscles of mastication. Changes in the synovial membrane may lead to a reduction in lubrication of the joint and contribute to degenerative joint changes. [49] The muscles become weak, and fibrosis may occur. All ...
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Wax material is usually attached to the bite fork, and the bite fork is held in contact with maxillary jaw or mandibular jaw in kinematic face-bow. [1] Locking device – helps to attach the bite fork to the U-shaped frame. [1] Orbital pointer with clamp – used as a third reference point. The pointer tip is placed in the contact with ...
Bruxism is excessive teeth grinding or jaw clenching. It is an oral parafunctional activity; [1] i.e., it is unrelated to normal function such as eating or talking. Bruxism is a common behavior; the global prevalence of bruxism (both sleep and awake) is 22.22%. [2]