What happens if marginal mandibular nerve is damaged?

A person with injury to the marginal mandibular branch of the facial nerve presents a very conspicuous deformity on opening the mouth, smiling or grimacing. It is due to paralysis of muscles of the lower lip of that side.

What does marginal mandibular innervate?

The marginal mandibular branch innervates the following muscles: depressor labii inferioris muscle – lowers bottom lip down and laterally. Origin: Anterior part of oblique line of mandible. Insertion: Lower lip at midline, blends with muscle from opposite side.

What is Ramus Mandibularis?

A mandibular ramus is a quadrilateral process projecting upward and backward from the posterior part of the body of the mandible and ending on the other side at the temporomandibular joint in a saddle-like indentation (called the sigmoid notch) between the coronoid and condylar processes.

What does mandibular nerve pain feel like?

The pain typically involves the lower face and jaw, although sometimes it affects the area around the nose and above the eye. This intense, stabbing, electric shock-like pain is caused by irritation of the trigeminal nerve, which sends branches to the forehead, cheek and lower jaw.

How do you heal a mandibular nerve?

Treatment of problems relating to the mandibular nerve depends largely on the nature of the damage and the symptoms it causes. Treatment may include anti-inflammatories, such as steroids or ibuprofen, and possibly surgical repair. Several drugs can be used to treat trigeminal neuralgia, Tegretol (carbamazepine)

What is marginal mandibular?

Marginal mandibular nerve is a terminal branch of the extracranial part of the facial nerve and leaves the parotid from its antero-inferior border and travels beneath the platysma muscle and deep cervical neck fascia, after which its course becomes superficial to the facial vessels.

What is difference between Bell’s palsy and facial palsy?

In Bell’s palsy there is inflammation around the facial nerve and this pressure causes facial paralysis on the affected side. Facial nerve palsy is the most common acute condition involving only one nerve, with Bell’s palsy being the most common cause of acute facial paralysis.

What does Ramus mean?

Definition of ramus : a projecting part, elongated process, or branch: such as. a : the posterior more or less vertical part on each side of the lower jaw that articulates with the skull. b : a branch of a nerve.

What are the symptoms of mandibular nerve damage?

Additionally, damage to the mandibular or trigeminal nerves impact the function of the inferior alveolar nerve. Symptoms of damage to the inferior alveolar nerve include pain, abnormal sensations, and/or numbness in the chin, lower lip, or around the lower teeth.