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Inverse Marcus Gunn phenomenon is a rare condition [5] that causes the eyelid to fall upon opening of the mouth. In this case, trigeminal innervation to the pterygoid muscles of the jaw is associated with an inhibition of the branch of the oculomotor nerve to the levator palpebrae superioris, as opposed to stimulation in Marcus Gunn jaw-winking.
The four classical muscles of mastication elevate the mandible (closing the jaw) and move it forward/backward and laterally, facilitating biting and chewing. Other muscles are responsible for opening the jaw, namely the geniohyoid , mylohyoid , and digastric muscles (the lateral pterygoid may play a role).
Temporomandibular joint dysfunction (TMD, TMJD) is an umbrella term covering pain and dysfunction of the muscles of mastication (the muscles that move the jaw) and the temporomandibular joints (the joints which connect the mandible to the skull).
A California-based tire company has recalled over 540,000 replacement tires mistakenly labeled as snow traction products, according to an announcement from the National Highway Traffic Safety ...
As in past years, YouTube was the single most popular platform teenagers used — 90% said they watched videos on the site, down slightly from 95% in 2022. Nearly three-quarters said they visit ...
The jaw-thrust maneuver is a first aid and medical procedure used to prevent the tongue from obstructing the upper airways. This maneuver and the head-tilt/chin-lift maneuver are two of the main tools of basic airway management , and they are often used in conjunction with other basic airway techniques including bag-valve-mask ventilation.
A Washington, D.C. man has been arrested for threatening flight attendants on a United Airlines plane traveling from Houston to New Jersey. Kedus Yacob Damtew, 38, was charged with one count of ...
Orthognathic surgery (/ ˌ ɔːr θ ə ɡ ˈ n æ θ ɪ k /), also known as corrective jaw surgery or simply jaw surgery, is surgery designed to correct conditions of the jaw and lower face related to structure, growth, airway issues including sleep apnea, TMJ disorders, malocclusion problems primarily arising from skeletal disharmonies, and other orthodontic dental bite problems that cannot ...