I have a burning sensation between my the roof of my mouth near the nasal cavities near the back of my mouth. could it be my acid reflux?

Burning sensation : Some people describe this as burning mouth syndrome. Most of the time the cause is obscured. However, a basic work up including blood sugar evaluation, vitamin deficiencies and other causes of neuropathy may be necessary. Sometimes the syndrome could be attributed to medications. Dry mouth in sjögren's syndrome may also cause burning sensation. Consult your physician for proper diagnosis.

Oral exam needed : It is possible, but since there are many other causes for burning sensations , the best thing for yountondo is to have an oral examination. The will be able to if no the cause and teatment.