Lingual nerve: anatomy, function and treatment.


Lingual nerve branches of the division of the bottom (jaw) from the Taagemine Nercivion department . It offers the feeling of the floor of the mouth and the front two thirds of the language.In addition, it takes specialized fibers that allow you to send flavorings between the language and the brain.

Linguistic nerve injury is more often caused by oral surgery or dentistry, which can lead to significant pain and other problems.


Nerves that run along the branch of the body as the trees so that they can transport sensations (sensory information) and their brain and the rest of their body,as well as the promotion of movement (engine function).


The nerves of the head are denominated cranial nerves All of them exist as symmetrical pairs, on each side of the head or face.However, they are generally referred to as a nerve.

Unlike the other nerves, which are branched from the spinal cord, 12 cranial nerves are produced in the brain itself.Ten of them, including the trigminal nerve, arise from a rain of ideas that sits on the back of his brain and connects his brain to his spinal cord.

Triginal nerve: fifth cranial nerve.While traveling to the face, it is divided into three branches, it is called ophthalmological nerve, high eyes nerves and the cinexic nerve.

The same nerve – Rama nerve .


Divisions of the POG nerve of the lower nerve, just around The base of your ear.Then run inside your jaw just in front of the ear and come into contact with the lower jaw directly in the third molar (usually called a trial wheel).From there, the paternal nerve is divided into two branches, which are executed to the tongue and the genre of the mouth.

The nerve muscles of language interact with inclusion:

  • Tension Veli Palatini (Innervated using the medial cake.
  • Side pterigoid (Innervated side corarigomal nerve)
  • Medial pteryigoide (inderted medial import rib)
  • Excellent branch of condigulator (branches of Plexo Farringent inervated)
  • mylohyoid (Inevened mylohioid nerve)
  • hyoglossus (innervated by hypogenic nerve)
  • genioglossus (hypogloskomkomkomner innervated) / li>

Anatomical variations

Not all the linguistic nerves continue in the same way.Studies, including one in human landing writers, showed a significant number of changes in the anatomy associated with this nerve.

, for example, an exact place, where the nerve starts twisted from the floor of the mouth to the tongue can be in the first or Second molar.In addition to one of the drops studied, the pagan nerve, which is called around the structure, called the air duct of the submadium (which merges the saliva from the mouth), but the loop was sometimes in the second molar, and sometimes In the third.

Throughout the surface of the tongue, the tongue nerve is divided between two and four branches.

The measurements varied elsewhere.The researchers said that the high knowledge of these anatomical options can help avoid damage to nerves during surgery and dental work.

Miklett / Getty Images

The triguumal nerve It provides a feeling of facing and allows you to chew and bite the movement.Each of its branches guarantees the feeling of another area of the head and face.

  • The ophthalmological nerve takes sensory information from the eyes, the skin of the upper face and the scalp to the central nervous system (CNS).
  • Topper Nerve Transmits a sensation to the central nervous system of the upper jaw, the roof of the mouth, nostrils, breasts and middle of the face.
  • The mandibular nerve provides a sensation and movement to the jaw and lower mouth, and also provides sensory input from some areas of the scalp.

Of these three lower jaw nerves is the only one that serves sensory and motor functions. However, the nerve of the tongue itself is only sensory.

The pagan nerve provides a feeling of mouth and ahead of two thirds of the language.

Nerves that apply to your kidneys of taste, called Chorda Tympani come from another cranial nerve, called facial nerve However, they are found with a language nerve, when it goes down to its lower jaw.

Nervey pagnaya, then uses chord timpanis, specialized flavoring fibers of up to two thirds of the language. Then, although the tongue nerve is not responsible for the taste, it is involved in sending signs of Ida taste And return to his brain.

Also, through its connection with Timpani Chords, the tongue nerve is connected to salivary function.

Damage and injury

The pagan nerve can be damaged during the operation or dentistry procedure or due to an injury.Some common causes of lesions include:

should be taken into account that the Risk of Gentiles of injuries during the most surgical and dental procedures are low.Your medical care or dentist must go through the risks with you before the procedure.

Damage to the nerves of language can lead to numerous problems,Such as:

  • reduced saliva secretion on the affected side
  • loss of taste to the front of the language

  • Square Squaurred
  • Frequent tap language
  • Loss of Sensation O.change of feeling (ie, pain or burning) on the floor of the mouth or front of two thirds of the language,that can be permanent or temporary

numbness of the mouth for violations of the linguistic nerve (or other nerves of the mouth), It can also occur in multiple sclerosis . This symptom is generally not constant, although it will take it to yourself.

Any infiltrative process, such as lymphoma or sarcoidosis, can potentially include a pagan nerve.


When the injury is a language nerve, the treatment depends on several factors, including the nature and severity of the lesion, as happened for a long time, And the symptoms that cause.

Different medications, including carbamazepine, antidepressants and analgesics can be used to treat.A case of a report found early treatment with dexamethasone, a steroid that helps with nerve restoration. . control.

Another small study published in 2018 examined seven patients with pages and low alveolar nerve injuries.They found that the treatment with a combination of low-level B12 laser injections and systemic corticosteroids led to a pronounced improvement in six patients. Research is needed.

However, even with achievements in microlerosurgery, the rain nerve is considered particularly difficult to repair.A study, which seems retrospectively in 222 surgical repairs, found that the operation performed for nine months of injury was the best chance in a good recovery.

However, you can get good results outside of this period of time. Report on cases published in 2019, looked at the woman who is 17 years of pain after the gap of a linguistic nerve caused by molar extraction. She had a dramatic improvement in her pain six and 12 months after the procedure.

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