The : The trigeminal nerve (especially the maxillary and mandibular divisions of this nerve) is responsible for feeling the mouth and most of the tongue. This nerve is paired: there is a left trigeminal nerve and a right trigeminal nerve. These nerves bring sensory information to a distribution panel called the trigeminal nucleus (which is also paired), that runs inside most of the part of the body called the brainstem. The brainstem is kind of like manhattan, it is a small bit of real-estate, but a lot of important things go on there. Because of this anatomy, if both sides of the roof of the mouth are numb, a neurological cause is much more likely to involve the brainstem than the two trigeminal nerves (left and right). Concerning possibilities could include multiple sclerosis. Of course, there are other possibilities other than neurological. Similar feelings can sometimes be caused by conditions including infections, thermal injury (hot or cold), the effects of alcohol or medications, or psychiatric disorders. A visit to a primary care doctor (family practice, internal medicine, or urgent care) is a good idea to start to sort out what could be going on.
Answered 6/18/2020
5.3k views
I : I would also recommend an evaluation by an oral and maxillofacial surgeon to rule out some pathology affecting the nerve distribution. Another factor not mentioned above is that the numbness could be caused by some food ingredient.
Answered 8/26/2018
5.3k views
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