I have been a patient of Dr. Duan for about 4 years. I got my two wisdom teeth extracted by him. One of them was considered as a hard task because it was growing towards its neighbor tooth, and actually touched it. I was worried about the extraction and was so scared before the procedure. I thought it will take a long time and will be very painful. However, the extraction procedure by Dr. Duan went very well, and I did not feel pain at all. So, with that nice experience, I visited his office again and get another wisdom tooth extracted.