Go and visit your dentist first if it's related to his field he will certainly guide you about the condition and if it's anything else you should visit neuro physician for the same

Hello, Aura may occur before or during migraine headaches. Auras are nervous system symptoms that are usually visual disturbances, such as flashes of light. Sometimes auras can also be touching sensations (sensory), movement (motor) or speech (verbal) disturbances.This is just a hunch because you said person having headche on one side . You need to take her to physician.