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A method of assessment in cases of lingual nerve injury.
The chorda tympani and lingual nerves unite proximal to the submandibular gland.
Post operative swelling, trismus, pain, and nerve impair- ment.1 Many other studies have shown, that post opera- tive swelling, trismus and pain can be reduced by per operative use of steroids.2,3 Among the most serious and often discussed post operative complication, that arises from 3rd molar surgery is trigeminal nerve injury, specifically involvement of either the inferior alveolar nerve or lingual nerve.4 There are three types of peripheral nerve injuries; neuropraxia, axonotmesis, and neurotmesis.
Lingual nerve contact during the inferior alveolar injection is common.
In the immediate postoperative period, the patient presented mild paresthesia in the region of the lingual nerve that was successfully treated with low laser therapy.
Lingual Nerve: The lingual nerve is primarily a branch of the mandibular division of the trigeminal nerve.
A fissure bur is then used to drill into the tooth at the CEJ and at a depth of 2/3 to 3/4 through the crown making sure not to cut completely through to the lingual plate as the lingual plate needs to be preserved and also to avoid any damage to the lingual nerve.
Traumas to adjacent structures such as and submaxillary ducts, sublingual gland and lingual nerve have also been described in submental intubation [6,9,10] Submandibular intubation at the angle of the mandible should be avoided because of the more risk of injury to the submandibular salivary gland and its duct, lingual nerve and the facial blood vessels.
Ossified pterygospinous ligament seems to be a major cause of entrapment of lingual nerve or a branch of mandibular nerve and may cause mandibular neuralgia.
We checked the mobility and sensation of tongue at postoperative day 7 after the ND to evaluate the function of the hypoglossal or lingual nerve. The patients whose tongue was resected or whose hypo glossal or lingual nerve was sacrificed during surgery were excluded in this mobility or sensation test.
The Occipital nerve can be damaged from pressure, and the lingual nerve can be damaged by wrapping straps under the chin with a laryngeal mask airway or endotracheal tube in place.
Iatrogenic nerve damage following IANB is estimated to occur in about 1:500,000 blocks, with the lingual nerve more commonly affected and little information on the analgesia used [Meecham, 2009].