1. Keith Gronbach, DDS

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Lafayette, CA

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Keith Gronbach, DDS

4.7 (55 reviews)
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2 months ago

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2 months ago

Dr. Gronbach was amazing! He was professional, kind, and made my wisdom teeth removal a smooth and stress-free experience.

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2 months ago

Dr. Gronbach was great! The wisdom teeth removal went smoothly, and the whole team was friendly and professional. Highly recommend!

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Ask the Community - Keith Gronbach, DDS

Review Highlights - Keith Gronbach, DDS

“Gronbach recently removed both of my children's wisdom teeth, and the experience was excellent from start to finish.”

Mentioned in 43 reviews

Read more highlights

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We took our 10 year old to have some baby teeth extracted. The consultation made her feel really…read morecomfortable about the appointment. she still had the typical nervousness that very normal the day of the appointment. He let her keep her blanket and stuffed animal for the procedure. After the anesthesia wore off she was feeling back to herself and zero pain the following days. I really appreciate Dr. Han and his staff. My only honest feedback was for them to check their appointments and when a staff member last talked to a patient when it comes to setting and confirming appointments since I had 2 calls that were confusing. It was quickly resolved.

I'm having some issues with my mouth and needed to talk to a specialist. Having done a lot of…read moreresearch on people to talk to, Dr. Han was recommended so I gave it a shot and came here. Not only did I see Dr. Han at my scheduled time (instead of waiting 40 minutes like a lot of other doctors in the area) but he spent a total of 50 minutes with me going over my issues. He recommended another specialist in the building and even walked down with me to go see them. He kept saying "I'm very honest, not trying to be rude..." which I never felt at all - tell people what they need to know, not what they want to hear. I hope I'll be able to use Dr. Han with some of my mouth issues, after spending a little time with him I absolutely trust him.

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David M Rainero, DMD

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I have been blessed to have Dr. Rainero treat me where he donates his time at Dentists On Wheels -…read morehe is the most caring, skilled and pain-free dental professional I've ever met! I can't describe what a gentleman he is! like I said, I feel truly blessed!

My son had his wisdom teeth taken out today. The entire process was simple (albeit expensive) and…read morecomfortable. We changed doctors for my son's procedure from my daughters because the previous doc changed his scheduling policy and would not let us schedule the surgery until after we physically had the consult and I wanted the date on the books since summer was running out. I called Dr. Rainero's office and they were very friendly and helpful and allowed me to go ahead and schedule the consult and surgery in the same week. They were very thorough in explaining the procedure, risks, pre & post care as well as a detailed explanation of every single charge. Everything was upfront with no surprises. All of the staff and Dr. Rainero had an excellent demeanor with my teen son which put me at ease. Everything went well and he's home resting. The recovery nurse was great, the doc came in to check in with me and my son before we left. I was impressed when the doc called this evening to check in on him personally. I could tell he was on his car speakerphone which shows that his patients matter even on the drive home. Every single person we came into contact in that office was friendly and pleasant. My only complaint would be that there was a bit of a wait to see the doc for both the consult and also the procedure but since everything else was better than expected I felt the full 5 stars were earned.

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Yen Chung K DDS

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3.2(14 reviews)
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I start off by stating that I am deathly affraid of the dentist. I've been through many things in…read moremy life, but the whole process involving instruments in my mouth just bothers me to no end. Dr. Yen is an honest and straight forward man. I appreciated his gentle humor and his understanding of how I feel in the situation. When I asked him for a simple extraction, he told me that he would try. He then told me that more than likely, my tooth would shatter and require more attention. He told me what I could expect and he explained the whole process. Dr. Yen numbed me and made sure that I was completely numb. He frequently checked to ensure that I was feeling no pain and he went about his work quickly. He also kept communicating with me the whole time which I appreciated. It was a welcome distraction from what was going on inside my mouth. I recommend Dr. Yen to anyone requiring dental surgery.

My daughter needed her remaining 3 wisdom teeth extracted last month (Dr. Yen extracted the first…read moreone a few years ago). I called, made an appointment, took her in, he removed the three wisdom teeth, we were done in under an hour. Great job. However, when I got the post-insurance invoice, it had a line item for "CHUN:D9310:Consultation" dated the day before the extraction. Not only was there never any Consultation, certainly not the day before the appointment, but when I called to request it be removed, they refused. The billing lady claimed it did happen, I was there and know it didn't happen - and yet she refused to remove this fraudulent charge. Dr. Yen is fine - but beware beware beware - his office will charge you and your isurance company for fraudulent non-existent line items.

Keith Gronbach, DDS - oralsurgeons - Updated October 2026

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