7 months post op of Wisdom Tooth Removal, half of my tongue remained numb. What are the chances of me getting feeling back?

Oral Paresthesia...I got two of my wisdom teeth removed in November. After the surgery, half of my tongue remained numb. The dentist told me that there must have been some nerve damage. They told me it should resolve itself in time. It has been 7 months now, and there is no change. There is an occasional burning sensation when I have something minty or carbonated, but it doesn't happen very often. I can't feel or taste anything on that half of my tongue... What are the chances of me getting feeling back?

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