I've been a patient of Dr. Yu's since 1980 and have never been disappointed with the dental treatment I've received from Dr. Yu.
The treatment I've had has varied over the years from simple 6 month check-ups to replacement of fillings. The staff is very friendly and personable. You don't feel like a patient when you come into this office, you feel more like a family member.
Additionally, Dr. Yu can anesthetize (numb) the area he is working in virtually pain free. He doesn't do the hold your cheek with his hand and shake it while he's injecting the numbing solution; instead, he numbs the surface with a gel, he lets that take effect, then he injects a tiny bit of numbing solution into the gum area and he waits for that to numb the area BEFORE he injects the rest. You don't feel anything. Can your dentist do that?
Overall, he's a very gentle dentist who caters to his patients. I would never see another dentist unless s/he treated his/her patients just like Dr. Yu does.