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Studies have shown that there is a significant effect of sex on the jaw jerk reflex. Electromyographs are used to measure the impulse within the muscle, allowing the amplitude of the impulse to be known and shown on a graph. The ECMs were focussed on the masseter muscle and temporalis muscle. Females showed a significantly higher amplitude ...
Sometimes, "temporomandibular joint dysfunction" is described as the most common form of temporomandibular disorder, [18] whereas many other sources use the term 'temporomandibular disorder' synonymously, or instead of the term 'temporomandibular joint dysfunction'. In turn, the term 'temporomandibular disorder' is defined as "musculoskeletal ...
The masseter (composed of the superficial and deep head) The temporalis (the sphenomandibularis is considered a part of the temporalis by some sources, and a distinct muscle by others) The medial pterygoid; The lateral pterygoid; In humans, the mandible, or lower jaw, is connected to the temporal bone of the skull via the temporomandibular ...
Examples of surgical procedures that are used in TMD, some more commonly than others, include arthrocentesis, arthroscopy, meniscectomy, disc repositioning, condylotomy or joint replacement. Invasive surgical procedures in TMD may cause symptoms to worsen. [1] Menisectomy, also termed discectomy refers to the surgical removal of the articular disc.
Prior to selection of a treatment, the patient is examined to determine whether the wide jaw is due to the bone size, the masseter muscle or both. Three-dimensional analysis of the clinical photos, X-rays and 3D CT scans from the front, lateral, oblique, basal and overhead views are required for a detailed evaluation. [ 3 ]
It is a potential space in the face over the angle of the jaw, and is paired on each side. It is located between the lateral aspect of the mandible and the medial aspect of the masseter muscle and its investing fascia. The term is derived from sub-meaning "under" in Latin and masseteric which refers to the masseter
Oral surgery procedures, as in the extraction of lower molar teeth, may cause trismus as a result either of inflammation to the muscles of mastication or direct trauma to the TMJ. Barbing of needles at the time of injection followed by tissue damage on withdrawal of the barbed needle causes post-injection persistent paresthesia, trismus and ...
Retrain oral, lingual, and facial muscles to facilitate correct resting posture of tongue, lips, and jaw; Establish mature swallowing patterns; Prevent relapses after orthodontic treatment; Improve the relationship between dental arches; reduce open bite and overjet; Maintain overall facial muscle tone needed for chewing, swallowing, and speech