Your most important expression, that is laughing, is considered to be naturally free and very valuable. A person’s smirk is formed by the lips, which capture the expression and impression. Therefore, a fairly insignificant change in the symmetry of the mouth and lips has the ability to turn a smile into almost any unwanted and unpleasant impression. The muscles around the mouth and lips are considered the most important source of all the expressions we make. These muscles supply the marginal mandibular branches of the face. nerve That is why in all injuries to marginal mandibular nerve trauma or as a result of surgery can distort numerous expressions along the precious smile.
What is the peripheral mandibular nerve?
Facial nerve It is the most important source of of nerve innervation of the muscles of the oral cavity that are essential for maintaining normal facial expression and movement. Face nerve Seventh (vii) skull. nerve The seventh (vii) cranium has nerves with mixed active capacity, i.e., both sensory and motor domains. He is responsible for the motor function of the facial muscles and the control of tear separation and taste separation. Facial Injury nerve That is why salivary incontinence and unwanted facial muscle function can result. The face has five branches nerve It provides personality.
The marginal mandibular branch of facial nerve :
The marginal mandibular nerve is one of the main branches that is in a rather vulnerable anatomical position. With his passage under the musculature of the platysma and in the angiri-oris of the oppressor, he feeds the muscles of the lower lip and chin and ends by speaking with the muscles of the lower alveolus. nerve .
The muscles supplied by the M arginal m andibular n erve:
- Dectressor labii is inferior – it pushes the lower lip downwards and laterally.
- DEPTRESSOR Anguli Oris-presses down the corners of the mouth and laterally.
- Mentalis- brings the lower lip back and forth.
Clinical Implications:
The risk of injury increases with certain surgical approaches. These are as transpersonal applanation. This incision is made to reach the posterior and lateral plane of the mandible. Other procedures include obedient gland excision, facelift strategies, and liposuction.
The marginal mandibular branch of facial nerve Injuries may also occur during neck dissection. Occasionally, injuries may occur during other cervical procedures, parotidectomy, mandibular fracture reduction, thymoplasty, and almost all other operations on the neck. the mandibular and neck region.
Street Phenomenon and Healing of Peripheral Mandibular Nerve Injuries
The injury to this nerve It is an embodied lack of opening of the mouth, distortion of the smile and glima. It is caused by paralysis of the muscles of the lower lip. Correction of the injury caused may require many difficult surgical techniques, such as moving the abdominal muscles of the biceps or the short finger extensors. Ultimately, it requires a fairly broad expertise. nerve To prevent injury and paralysis.
When injuries occur that are treated with complex forms of surgery, it can take 6-8 months for function to improve. By that time, the patient has the opportunity to shorten the improvement time by applying a number of simple methods. The following video demonstrates treatment methods and options the marginal mandibular nerve weakness:
More Information on Facial Nerve and Recovery Injuries.
The facial nerve The facial nerve is typically damaged in three locations: intracranial, inflammatory, and intracranial.
- Facial intracranial (intracranial) injuries. nerve More common during resection of bridge pontine corner (CPA) tumors or acoustic neuromas.
- Abdominofacial injuries. nerve Occur as a result of head trauma, surgical procedures tend to approach injuries through the ear and environment. Temporal bone fractures are considered a less common mechanism of injury to the facial skeleton. nerve During car drama. The same, intestinal main causes of facial nerve palsy nerve Mastoidectomy and tympanic concerns.
- Main causes of facial expression medial. nerve Trauma includes facial drainage from trauma, parotidectomy, submandibulectomy, and TMJ surgery. Many of these facial traumas are caused by these injuries. nerve Synkinesia occurs, causing involuntary movements of the facial muscles covering the oculi, mouth, and middle lobe of the face and neck. This results in the accumulation of lacrimal fluid.
Recovery of the face nerve Depends on the part of the face nerve that is damaged and the extent of the damage. The nerve The distal pathway can be altered or moved in patients who are intact. of nerve Intact, but the proximal end is of nerve Damaged only. In this case the nerve anastomosis can be applied and the function resumed. This can be done by grafting the nerve with a graft. Common grafts are hyoid grafts nerve grafts and transverse grafts. Muscle transposition can help with of nerve trauma that lasts longer than 18 months. Muscles such as the sleeping, chewing, and biceps can be placed in the area of paralysis, including the original muscles. nerve Blood supply. Botulinenetoxin A and physiotherapy play an important role in cases of Synkinesias. Botulinenetoxin A, when injected repeatedly in 4 to 5 months, ensures selective relaxation of the muscles of the face and neck.
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Family Medicine
In 2024 our team of doctors and nurses provide a comprehensive range of family planning services. Our doctors have expertise in antenatal care, preconception planning, and STD checks. Contraceptive advice including Mirena and Implanon insertion is available.
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