Dataset Information

Neuromodulation of the lingual nerve: a novel technique.

ABSTRACT: The lingual nerve is a branch of the posterior trunk of the mandibular nerve. It provides sensation and taste to the ipsilateral anterior two-thirds of the tongue. Posttraumatic neuropathy of the lingual nerve can be chronic and debilitating long after the inciting trauma. In this operative video, the authors describe a novel technique for the treatment of lingual nerve neuropathy with neuromodulation. They present a case of a 69-year-old female with posttraumatic lingual nerve neuropathy after left molar extraction. The patient reported 95% symptom improvement after the procedure. This video demonstrates the feasibility of lingual nerve neuromodulation. The video can be found here: https://youtu.be/l-CKP8-8eqk.

SUBMITTER: Zhao K

PROVIDER: S-EPMC9542482 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Neuromodulation of the lingual nerve: a novel technique.

Zhao Kevin K Talbot Christopher E CE Mammis Antonios A Paskhover Boris B

Neurosurgical focus: Video 20201001 2

The lingual nerve is a branch of the posterior trunk of the mandibular nerve. It provides sensation and taste to the ipsilateral anterior two-thirds of the tongue. Posttraumatic neuropathy of the lingual nerve can be chronic and debilitating long after the inciting trauma. In this operative video, the authors describe a novel technique for the treatment of lingual nerve neuropathy with neuromodulation. They present a case of a 69-year-old female with posttraumatic lingual nerve neuropathy after ...[more]

PMID: 36285265

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Project description:During chewing, movements and deformations of the tongue are coordinated with jaw movements to manage and manipulate the bolus and avoid injury. Individuals with injuries to the lingual nerve report both tongue injuries due to biting and difficulties in chewing, primarily because of impaired bolus management, suggesting that jaw-tongue coordination relies on intact lingual afferents. Here, we investigate how unilateral lingual nerve (LN) transection affects jaw-tongue coordination in an animal model (pig, Sus scrofa). Temporal coordination between jaw pitch (opening-closing) and 1) anteroposterior tongue position (i.e., protraction-retraction), 2) anteroposterior tongue length, and 3) mediolateral tongue width was compared between pre- and post-LN transection using cross-correlation analyses. Overall, following LN transection, the lag between jaw pitch and the majority of tongue kinematics decreased significantly, demonstrating that sensory loss from the tongue alters jaw-tongue coordination. In addition, decrease in jaw-tongue lag suggests that, following LN transection, tongue movements and deformations occur earlier in the gape cycle than when the lingual sensory afferents are intact. If the velocity of tongue movements and deformations remains constant, earlier occurrence can reflect less pronounced movements, possibly to avoid injuries. The results of this study demonstrate that lingual afferents participate in chewing by assisting with coordinating the timing of jaw and tongue movements. The observed changes may affect bolus management performance and/or may represent protective strategies because of altered somatosensory awareness of the tongue.NEW & NOTEWORTHY Chewing requires coordination between tongue and jaw movements. We compared the coordination of tongue movements and deformation relative to jaw opening-closing movements pre- and post-lingual nerve transection during chewing in pigs. These experiments reveal that the timing of jaw-tongue coordination is altered following unilateral disruption of sensory information from the tongue. Therefore, maintenance of jaw-tongue coordination requires bilateral sensory information from the tongue.

Dataset Information

Neuromodulation of the lingual nerve: a novel technique.

Publications

Neuromodulation of the lingual nerve: a novel technique.

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