I went to Dr. O'Brien after a horrible experience with another Sacramento dentist. My teeth were a mess; my previous dentist had given me ugly fillings and couldn't get a crown into my mouth without chipping it. When I got to Dr. O'Brien's office for the first time, he gave me a very thorough exam and spent about 45 minutes with me. He showed me with camera and x-rays what was wrong with my teeth, and caught a cavity my prior dentist hadn't even seen.
Pros: Gentle, thorough
Cons: Office in a yucky location
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