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Thus the facial artery can be used as an important landmark in locating the marginal mandibular nerve during surgical procedures. [2] Damage can cause paralysis of the three muscles it supplies, which can cause an asymmetrical smile due to lack of contraction of the depressor labii inferioris muscle . [ 3 ]
Damage to the marginal mandibular branch of the facial nerve may cause paralysis of the depressor anguli oris muscle. [1] This may contribute to an asymmetrical smile. [1] This may be corrected by resecting (cutting and removing) the depressor labii inferioris muscle, which has a more significant impact on smiling. [1]
Bell's palsy is the most common cause of acute facial nerve paralysis. [3] [4] There is no known cause of Bell's palsy, [5] [6] although it has been associated with herpes simplex infection. Bell's palsy may develop over several days, and may last several months, in the majority of cases recovering spontaneously.
The middle cranial foassa technique is most commonly used for the decompression of the facial nerve in Bell's palsy and longitudinal temporal bone fracture. This approach may be useful in the management of patient with schwannomas of cranial nerve 7 and 8, as well as with patient with melkersson-rosenthal syndrome.
The platysma muscle lies just deep to the subcutaneous fascia and fat. [1] [3] It covers many structures found deeper in the neck, such as the external carotid artery, the external jugular vein, [4] the parotid gland, [4] the lesser occipital nerve, [4] the great auricular nerve, [4] and the marginal mandibular branch of the facial nerve.
Hereditary neuropathy with liability to pressure palsy (HNPP) is a peripheral neuropathy, a condition that affects the nerves. [4] Pressure on the nerves can cause tingling sensations, numbness, pain, weakness, muscle atrophy and even paralysis of the affected area. In normal individuals, these symptoms disappear quickly, but in sufferers of ...
Angelina Jolie has revealed that the stress of her impending divorce from Brad Pitt caused her to develop Bell’s palsy. The Maleficent actor, 48, opened up about her health condition in an ...
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 ]