Dr. Von Chan is the most personable and truly present dentist that I have ever experienced. In addition to her warm personality, she is clearly technologically advanced, highly ethical, very knowledgeable and highly skilled. I recently moved to Petaluma from Los Angeles and was anxious about finding a new, competent dentist. I feel that Dr. Chan has the skills and knowledge that I had hoped to find. Her staff are very friendly and supportive. I highly recommend Dr. Chan.