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a.1.(Anat.) Pertaining to both the hyoidean arch and the tongue; - applied to the anterior segment of the hyoidean arch in many fishes. - n. The glossohyal bone or cartilage; lingual bone; entoglossal bone.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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Computer-simulated, cadaveric and retrospective studies have shown a significant risk of lingual plate perforations (LPP) related to dental implant insertion in the posterior mandibular region (Leong et al.; Huang et al., 2015; Clark et al.).
The exact mechanism of lingual nerve damage during third molar surgery is controversial and among the most cited causes are: damage by injection needle, usage of lingual flap retractor, usage of chisel by lingual approach associated with lingual plate fracture and supra crestal incision because the nerve can be located in this region in some cases and may be sectioned.6 The symptoms vary from difficulties in speech, swallowing, ability to maintain food and liquid competence and alteration of taste.8 There has been much discussion about how to prevent lingual nerve injury during third molar surgery.
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.