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Services - Ruben Armienta, DDS

Cavity treatment

Dental exams

Tooth filling replacement or repair

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E I.

Have been going to this place for about 3 years now and the staff is so friendly! We switched from another dentist in diamond-bar because he decided he was going to do a crappy job in pulling out teeth and cleanings. We were recommended to Dr. Armienta by some friends who were family and decided we had nothing to lose. It all started with a simple tooth removal that I did not feel at all compared to the other unexperienced dentist , and he became our permanent dentist. He is very professional and the staff is very polite and respectful. They are also very quick and still end up giving you a good cleaning. The waiting room is always clean and packed with magazines to read while waiting. Like I've seen on a previous tip, don't try to say you floss every day, because he knows lol. Thanks Dr. Armienta! :) A.I.

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10 years ago

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11 years ago

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Ruben A.

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Review Highlights - Ruben Armienta, DDS

“Letty explained what my benefits covered and assured me I could use my FSA to cover my portion of the costs.”

Mentioned in 4 reviews

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Clements Dental Family

Clements Dental Family

4.8(260 reviews)
1.7 km

Dr. Clements and his staff are fantastic! Everyone is extremely friendly and makes you feel right…read moreat home. I really appreciate how honest and upfront they are. No hidden fees and no unnecessary recommendations just to drive up the cost. I used to dread going to the dentist, but Dr. Clements and his team have completely changed that experience for me. It's great having a dentist I can trust. Highly recommend!

Bottom line: I left feeling like I may have been misinformed about the condition of my teeth. I was…read moretold I had multiple cavities and needed crowns, but after getting a second opinion from my longtime dentist, I was told I had no cavities. That major difference in diagnosis was very concerning and made me lose trust in the practice. Full story below: I chose this dentist based on the positive reviews, but my experience was very disappointing. One thing that immediately concerned me was learning that patients were being offered an incentive for leaving reviews, which made me question how genuine those ratings really are. During my visit, the overall atmosphere felt insincere. What was most upsetting was being told I had three cavities and needed crowns, despite having seen my regular dentist only three months earlier. That diagnosis did not sit right with me, especially because it seemed to be presented before a thorough exam, and when I asked questions, I felt dismissed rather than respected. Because I was uncomfortable, I followed up with my longtime dentist for a second opinion, driving all the way to Riverside because I trust him. I was then told I had no cavities, and that the only possible issue was an older root canal that may need to be redone. That huge difference in diagnosis left me with serious concerns about the accuracy and honesty of my visit here. I am sharing this because I think patients deserve to feel informed, respected, and confident that recommended treatment is truly necessary. Unfortunately, that was not my experience.

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Clements Dental Family
Clements Dental Family
Clements Dental Family

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Atlantic Dental & Orthodontics

Atlantic Dental & Orthodontics

4.5(272 reviews)
1.7 km
25 years in business
Free consultations

I've been going to Atlantic Dental for my dental care for years. At yesterday's appointment, I had…read moreto update my x-rays, and they were updated right in the dentist's chair. I didn't even have to go in the x-ray room like I did before. That was so convenient.

2026 grill update:…read more Avoiding the dentist by "being too busy" cost me a tooth and some extra coin...that said, I can even more fully recommend Atlantic dental because now I've had some adulting major work...not just cleanings and crowns. Like a true team, Dr. Paz handled the below gum work and Dr Tamir, the above...can you tell what I had replaced? Trust this team I've always found this office to be professional and conservative with treatment, if they say you need it, listen before you do more damage with time and decay like me. No scams and it never feels like a car dealership. So in December 2025, they gave me the bad news and coordinated a plan: an extraced tooth, a deep cleaning and a bridge... but of course a month later I had a major life emergency because Murphy's Law...I communicated my situation and we adapted the timeline and got done what i could so I could minimize the decay/need more expensive implants. Many months later just had my first post work done cleaning with my superflossin' hygenist Lourdes...and noone on the street or that I've kissed can tell what I was missing a tooth a couple months back... btw, nothing about my procedures hurt a lot.... except having to use my Care Credit...which they accept and is great if you need 0% financing (just pay it off in time).

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Atlantic Dental & Orthodontics
Atlantic Dental & Orthodontics
Atlantic Dental & Orthodontics

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Whittier Family Dental Office - The most comfortable chair. Fun fact, there's a massage function on this chair!

Whittier Family Dental Office

3.8(74 reviews)
2.9 km

Highly recommend Dr. Yoon. Leaving a family friend dentist (so the bar was high, but had little…read morehope to find an office that would align with my previous experience). Transitioning to Dr. Yoon's office was so seamless. Her and her team are so very welcoming, kind, knowledgeable and supportive. Everyone is eager to jump in to help you learn more and be a resource. Also really appreciate all of the text reminders. Keep 'em coming. lol

I'll admit, I have a great of anxiety when it comes to visiting the dentist. Even thinking of the…read moreword, "dentist" makes me feel as though I bit into a lemon. I recently had such a bad toothache that the right side of my face was going numb, I was sleeping less than one hour per night and I could not drink ANYTHING for over five days. I was in denial, avoided visiting the dentist and took Tylenol so often as though I was eating M & M's thinking the pain would somehow go away. With that in mind, I put on my, "big boy pants" and visited my dentist to find out what the heck was going on with my tooth. Upon my arrival, i was welcomed back by the entire staff with warm smiles and greetings. The staff here are truly friendly, welcoming and professional. In less than three minutes of my arrival, I was lying on a dental chair awaiting the Dr. Yoon, my dentist. Dr. Yoon has this way of calming me down and getting me to relax immediately as she knows that my anxiety level is always high as soon as I step foot into her office. This visit was no different. Dr. Yoon examined me, had X-rays taken and immediately discovered an issue which would require the dreaded root canal. Due to my time schedule limitations, I made an appointment for a few days later and returned. At my next dental appointment, Dr. Yoon discovered that I had a fractured nerve and that this was causing a great deal of inflammation and was the source of my pain and numbness. Dr Yoon and her staff immediately got to work and in less than two hours, It was all done. The pain, numbness and my anxiety were gone. Wow! It felt GREAT to be painless once again. I have to return in two weeks for a permanent crown on the repaired tooth but the anxiety is no longer there and I am actually looking forward to visiting the best dentist and staff in the world. Thank you for the AMAZING service and care to everyone at Whittier Family Dental. I TRULY appreciate you all.

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Whittier Family Dental Office - The new machine they use for comfortable shots!

The new machine they use for comfortable shots!

Whittier Family Dental Office
Whittier Family Dental Office - Very well maintained and clean

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Very well maintained and clean

Whittier Modern Dentistry - Welcome to Whittier Modern Dentistry in Whittier, CA!

Whittier Modern Dentistry

3.8(78 reviews)
2.8 km

I was recommended this office from a friend, when my former dentist messed up my crown. They fixed…read moreit and since then they given me excellent service! They do not treat you like a number and they are never focused on high cost treatments. I have gone there for my regular care and cleanings.

Poor communication and dishonest billing practices. Billed me for "comprehensive exam" when only…read moreone tooth was examined and addressed. Nothing about my other teeth, gum health, jaw problems that I mentioned during intake. When I contacted them about fixing the billing, I never received a response. I was also promised a follow up on my insurance, didn't receive one. Also I booked my appointment with Dr Laura, but received an exam from Dr Katelyn instead. Would have been fine, however I didn't find the bedside manner to be great. For example when I mentioned that I wanted braces she simply asked "Why?" I found this odd since previous dentists had observed issues with my jaw alignment, bite, and teeth crowding.. but this time the dentist seemed confused as to why I'd even want braces. If a comprehensive exam was truly given in the first place, I don't think it would have been a question. Another example: after examining my cracked tooth she said matter-of-factly "I think we both know that it needs to go". Actually no I didn't know, that's why I wanted to get it examined in the first place rather than asking for an extraction. Weird vibes the whole time, just seemed annoyed like I was wasting her time. The place wasn't busy when I went, but wait times were very long. In total I spent about 1 hour and 30 minutes there. The actual exam was less than 10 minutes. I added one star because the lady at the front desk was very nice and welcoming.

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Whittier Modern Dentistry - Taking pictures of him pearly whites!

Taking pictures of him pearly whites!

Whittier Modern Dentistry - Welcome to Whittier Modern Dentistry in Whittier California!

Welcome to Whittier Modern Dentistry in Whittier California!

Whittier Modern Dentistry - Digital X-Ray's in Whittier, CA

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Digital X-Ray's in Whittier, CA

Ruben Armienta, DDS - generaldentistry - Updated October 2026

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