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Ask the examinee to half open his mouth, place a finger pad in the middle of the mandible, and knock the finger pulp with a percussion hammer.If bilateralMasseter muscleContraction and mandibular closure are called mandibular hyperreflexia;Normal mandibular reflex refers to the non contraction of both masseter muscles and non closure of the mandible.
Chinese name
Mandibular reflex
Nature
Biological terminology
Introduction to terms
Mandibular hyperreflexia indicates that the bilateral cortical brainstem bundle that innervates the glossopharynx and vagus nerve is injured, which is mostly seen inPseudobulbar paralysis。
