1. Von Chan, DDS

    1. Von Chan, DDS

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    Petaluma, CA

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    Von Chan, DDS

    4.6 (116 reviews)
    Closed 8:00 am - 1:00 pm, 2:00 PM - 5:00 PM

    Services - Von Chan, DDS

    Cavity treatment

    Crown cleaning

    Dental exams

    Von Chan, DDS Photos

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    10 years ago

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    6 years ago

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    11 years ago

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    5 years ago

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    11 years ago

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    12 years ago

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    10 years ago

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    17 years ago

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    11 years ago

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    8 years ago

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    11 years ago

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    13 years ago

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    11 years ago

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    11 years ago

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    6 years ago

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    10 years ago

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    10 years ago

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    12 years ago

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    11 years ago

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    15 years ago

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    13 years ago

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    14 years ago

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    11 years ago

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    9 years ago

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    12 years ago

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    15 years ago

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    11 years ago

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    14 years ago

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    10 years ago

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    15 years ago

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    15 years ago

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    13 years ago

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    10 years ago

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    11 years ago

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    13 years ago

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    Page 3 of 3

    Ask the Community - Von Chan, DDS

    Review Highlights - Von Chan, DDS

    Dr Major actually took pictures of my teeth and showed them to me so I could understand what she was seeing.

    Mentioned in 6 reviews

    Read more highlights

    Petaluma Dental Group - Relaxing trees.

    Petaluma Dental Group

    3.2(125 reviews)
    0.9 mi

    I was blown away by the whole experience. This place is organized and well run. The people are…read moreso friendly! They have massage chairs in the waiting room, Netflix on the ceiling of the patient care rooms, essential oils, and a bunch of other comfort options. It feels a lot less stressful than all of the other dentists I have been to.

    MY experience at this office started out fine, but I've since had two very disappointing…read moreexperiences and have left for another dentist. I've always taken good care of my teeth but due to nighttime grinding, eventually had wear a mouth guard. Apparently I had a few teeth with cracks by that time and Dr. Mangrum told me I would need crowns so over the course of two years I had three crowns put on. One of them fell off within a few weeks of being put on. I returned to the office and they re-cemented it. A few months later it fell off again. At that point they told me I didn't have enough tooth length to hold onto the crown (I felt this should have been known from the beginning) and I needed a new procedure where they cut away some gum to lengthen the tooth. They made a new crown and when they cemented it in, they exerted the most pressure I have ever felt in my mouth. Two years later (and crowns typically last a lot longer than that) I developed a toothache around that crown, the first toothache I have ever had. I knew something was going on (I suspected an infection) so I made an appointment and went in. The dentist recommended that I see the endodontist (root canal guy) in their office so I went in again to see him. He didn't take a CT scan (common procedure I came to find out), and after tapping on my tooth and blowing air on it he pronounced me fine and told me to just keep an eye on it. A day or two later I was in so much pain, I knew it was infected and called the office to get a prescription for an antibiotic. I didn't want to return to this office since they had missed the infection so I found another dentist who could see me immediately. He took a CT scan and saw a raging infection. Referred me to an endodontist. She also took a CT scan and told me my tooth was unsalvageable, big infection, and needed to be extracted. I began this process and ended up with an implant. At this point I thought about writing an honest review of my experience but decided to leave it alone. My second bad experience- a month ago I was eating and felt something crunchy in my mouth. It was part of another crown Dr. Mangrum had done that just slid off the tooth. It was 2 1/2 years old so insurance won't cover a replacement. My current dentist saw me immediately and made me a new crown. I called Dr. Mangrum's office to talk about being reimbursed for this since it was a relatively short time since it been put on. I explained that I didn't want to return to her office to have it done because I had no confidence at this point in the work being done since having two fails. They denied my request for reimbursement, even partial, citing that they would have looked at it and might have decided to replace it at not cost to me, even though I fully explained why I wouldn't return to their office. Once trust and confidence are gone, it's hard to put yourself in that situation again. I almost never write a bad review. I don't know f I ever have, to be honest, but I felt so let down by this experience that I thought it was time.

    Photos
    Petaluma Dental Group - The tool, the assistant used on my mouth that she was not qualified to use.

    The tool, the assistant used on my mouth that she was not qualified to use.

    Petaluma Dental Group
    Petaluma Dental Group - Nature at work!

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    Nature at work!

    Alma Dental Care - Dr. Serrano and a patient during a consultation

    Alma Dental Care

    4.1(14 reviews)
    0.2 mi

    I am new to Alma Dental, today I had my first cleaning with Alyssa the hygienist. I am so glad I…read moreswitched from soco dental in rp. Alyssa not only gave me the best and most thorough cleaning I have had in years, but also provided me with more info about the condition of my teeth than previous dentists Ive been to. She also helped me with some solid recommendations to adjust my routine and gave me a whole new perspective on the toothbrush I have been using and how to get the most out of my nanohydroxy toothpaste. I ended up buying the oral b electric brush with the round heads per her suggestion. I tried it tonite and I really like how it advises if Im brushing too hard and it also has a 2 min timer built in, pretty cool! Another thing I really appreciated is how she did not pressure me to use flouride products and even gifted me some nice natural coconut floss to try. Im so happy to have a reliable dentist office to get my regular cleanings again, of course I rebooked with Alyssa. I would for sure recommend this place to anyone looking for dental work. My boyfriend also had a 5 star experience here and he is really uncomfortable at the dentist usually so that is saying alot!

    I went to Alma Dental because I was having significant pain in my lower right molar (#31). During…read moremy visit, x rays were taken and the tooth was tapped, but no hot or cold sensitivity test was performed, even though I reported cold sensitivity. I was referred to an endodontist and charged $210 for the exam and x rays. I chose to see a different endodontist because I was more comfortable with that provider based on their reviews. The endodontist immediately performed a cold test, which clearly showed that tooth was highly sensitive, and diagnosed a crack in the tooth. Based on what I later learned, it sounded like the crack should have been visible on the x rays that were taken. That left me questioning why it wasn't identified during my initial exam and why additional diagnostic testing wasn't done before I was referred. I called Alma Dental afterward hoping to have a respectful conversation and better understand what had happened. Instead, the person I spoke with became argumentative. I explained that I wasn't calling to argue. I simply wanted to discuss my concerns, but the conversation continued in that direction, so I ended the call. I do NOT recommend Dr. Serrano based on my experience. I paid for an exam and x rays, but the issue causing my pain was not identified, important diagnostic testing was not performed, and my concerns were not handled professionally when I called to discuss them. I left feeling that the evaluation did not provide the value I expected and that resolving my concerns was not a priority.

    Photos
    Alma Dental Care - Dr. Serrano loves treating patients of all ages!

    Dr. Serrano loves treating patients of all ages!

    Alma Dental Care - Dr. Serrano designing a same day crown in our CEREC equipment

    Dr. Serrano designing a same day crown in our CEREC equipment

    Alma Dental Care - We take your safety seriously! Always following CDC and ADA guidelines

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    We take your safety seriously! Always following CDC and ADA guidelines

    Von Chan, DDS - generaldentistry - Updated September 2026

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