Dentists are doctors that specialize in teeth and jaw alignment. They are also doctors but their only focus is in the oral cavity. They could also perform surgeries and anesthesia in patients and are probably one of the most lucrative types of professions in society. If you want to have procedures done with your teeth you should consult with a dentist and ask for possible solutions as to how you can improve your oral cavity. Aside from the teeth they are also concerned with the proper alignment of the jaws.
No because what ever the cell is it can only make that type of cell Ex: liver cells can only make liver cells and brain cells can only make brain cells.
