I was told by my family physician that she thought it was a mole inside my mouth and said I shd contact a dentist for a possible biopsy. What can you tell me on this matter. It is very small, dark brown to black, top back right side area.

The isolated growth you’re describing could be as simple as an overgrowth of blood vessels (hemangioma) or a bruise. However, I would agree with your primary care physician that your growth should be evaluated by someone qualified to perform a biopsy to rule out cancer.