1. Guadalupe Marquez, DDS

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    Chula Vista, CA

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    Guadalupe Marquez, DDS

    5.0 (4 reviews)

    Services - Guadalupe Marquez, DDS

    Cavity treatment

    Dental exams

    Tooth filling replacement or repair

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    14 years ago

    Helpful 5
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    8 years ago

    Awesome staff! Willing to help and make things happen. Dr. Marquez is the sweetest woman ever! I will always come here.

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    11 years ago

    Helpful 3
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    10 years ago

    Helpful 1
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    Salt Creek Dental

    Salt Creek Dental

    4.3(17 reviews)
    0.0 mi

    After 9 years as a patient, I can honestly say Dr. Masillamoni is the real deal. Finding a dentist…read moreI actually trust is rare, and he has earned that trust every single visit. One thing that always stands out is the anesthesia. I have never once felt pain during an injection. If you have ever been afraid on the dental chair, you know exactly how much that matters. He also never rushes me out the door. He takes the time to walk me through my treatment plan so I understand what is happening and why. If you are looking for a dentist who is skilled, honest, and genuinely cares about his patients, you should consider Dr. Masillamoni.

    This place is horrific. I thought i was the only person but…read morei first looked at other reviews and they do the same thing 1) they overbook their patients then they cant find any time for them as they end up being booked for the whole year!! And good luck if they drained tour insurance already for this "whole appointment evaluation" 2) they will look for all ways to drain your insurance and of course the first appointment your time will be wasted because they will say "this is only evaluation" so expect to take your annual PTO off for their highness to actually get any clean up done! Oh and good luck finding an appointment that can actually work because they close their last patient at 3. Maybe they shouldnt do business My story: I requested an appointment for cleaning ( or cavities shall they find ) they told me uh oh we are going to take the entire first appointment for just evaluation and shall you need anything you will need another appointment. I said B.S - then i said ok.. what is your available times for a second appointment because for sure i will need at least cleaning/deep cleaning. She was booked for the rest of the year and found me 1-2 appointments that absolutely dont work with my schedule. So i requested to cancel the first appointment because whats the point! That was more than 40 hours in advance. They kept saying cancellation fee $60 . Now they keep sending me the statement of $60 despite the fact thst they know!!! They are the ones that cant find any available appointments for their clients. Taking my business out of this place and fighting the $60 because if they were any respectful place they would have waived it instead of begging for a $60. Stay away. Also they do want to find all reasons to drain the hell out of your insurance and more !

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    Salt Creek Dental
    Salt Creek Dental
    Salt Creek Dental

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    Otay Lakes Dental Group - Dr. Quan Liu is helping me

    Otay Lakes Dental Group

    4.3(128 reviews)
    1.1 mi

    I'm really grateful to Dr. Quan Liu, DDS, DMD for taking care of my tooth. I was quite nervous…read morebefore the treatment, but Dr. Liu was very patient and took the time to explain everything clearly. He walked me through the procedure step by step and often checked in to make sure I was doing okay, which made me feel much more relaxed. What impressed me most was how calm, careful, and responsible he was during the whole process. You can tell he truly cares about his patients and wants to do the best possible job. The staff in the office were also very friendly and helpful, and they explained the aftercare instructions clearly. Overall, it was a very positive experience, and I would definitely recommend Dr. Liu to anyone looking for a skilled and caring dentist.

    I am writing this review to share my worst experience ever with others that have had similar or…read moredifferent bad experiences with this Dental office. To all new patients that are looking to choose Otay Lakes Dental Group for Dental Care. This bad review is regarding Dr. Quan Alex Lui. I have been a patient at this office for more than 10+ years. During that time, I had no ongoing conflicts, no unresolved issues, and i was never informed that I was considered a problematic patient. On June 17, 2026 I went to the office for a scheduled dental cleaning appointment. I checked in at the front desk and was treated respectfully and professionally. I was then taken in to take x-rays and moved to another area where a dental assistant polished my teeth. After that , I was asked to wait for Dr. Lui to complete my teeth cleaning. I waited for approximately one hour without complaining. After that wait, Dr. Lui approached me abruptly, rudely, and disrespectfully and told me that he refused to provide treatment , that I was a bad patient, and that he did not want to see me ever again. He said this was because of my past complaints about the quality of teeth cleaning not meeting my expectations. I calmly explained that this involved a single incident approximately 3 years ago, when I believed a prior cleaning had not been performed properly. At that time, I had requested that my teeth be cleaned again because they still felt dirty afterward, The office honored my request, the matter was resolved, and I was really satisfied. In fact, Dr. Lui personally re-cleaned my teeth at that time. After that incident , I returned for additional visits and specifically requested that Dr. Lui perform future teeth cleanings. I was never informed that there were concerns about my behavior, character, or patient status. This incident was especially upsetting because my 8 year old granddaughter witnessed the interaction. She became frightened, distressed and concerned by the way I was spoken to and asked why I was being treated so rudely and aggressively. My granddaughter texted her father to informed him that Grandma was just kicked out of a dental office, my son Jorge Martinez my granddaughters father became very concern by text sent to him. Mr. Martinez called me on my cell phone in the middle of my conversation with Dr. I expressed to Dr. Lui how I didn't appreciate in the way he was handling unresolved issue based on a past incident, and the way I was being spoken to in a very disrespectful and humiliating way. I felt like I waisted my time and I couldn't believe he was refusing services to finish my teeth cleaning in the middle of treatment. Dr. Lui didn't care or display any remorse or compassion to listen or understand me to look for better way to resolve the problem or misunderstanding. Dr.Lui walked away, another staff employee had heard the conversation. I explained the truth of what had happened, but instead of trying to resolve the situation. I was told that Dr. Lui was the boss and that what he said was final. Mrs. Gretchen then asked me to please leave, escorted me out, and told me that the office no longer accepted my PPO insurance. Afterwards I checked the office website and it clearly stated that my PPO was accepted. This left a concerned that I was being treated unfairly and possibly given inaccurate information while being removed from this office.

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    Otay Lakes Dental Group - Plaques on display

    Plaques on display

    Otay Lakes Dental Group - Management orders

    Management orders

    Otay Lakes Dental Group - The lobby

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    The lobby

    Life Smiles Dental Care

    Life Smiles Dental Care

    3.8(28 reviews)
    0.7 mi

    Dr. Hayatt and his staff are very friendly, caring and supportive. I am in the process of getting…read moreimplants and other dental work and he has been a great dentist to work with. I've always disliked going to the dentist, he and the staff have eased my fears about it. Plus the office is super close to my job so that's a huge blessing!

    I'm on Medi-Cal, and I think that plays into my experience. I went in for a routine cleaning. The…read morehygienist started with x-rays, using the huge plastic things that hurt like crazy. Seeing that I was in pain (those things dig into the upper palette), the doctor stepped in and used bite wings, standing directly next to the x-ray machine while he gave orders to the hygienist to operate the x-ray machine. No problem for me, but it seems weird for the doctor to expose himself to x-rays like that on a daily basis. I at least had the lead bib; the doctor had no protection and was standing right next to the x-ray. Onto the cleaning, which didn't amount to much. They didn't clean my teeth. The hygienist polished them, but did nothing about tartar. No scraping, which I'm accustomed to at all my dental visits. The doctor told me that I "didn't have plaque" which seems suspicious to me, as I hadn't seen a dentist in about 8 months at that point. I *always* have tartar that needs to be scraped off, and my understanding is that tartar is what plaque becomes. I do take care of my teeth but tartar has always been a problem for me. The hygienist seemed new to the job and the doctor was extremely dismissive of my medical condition which is why I'm on Medi-Cal. They scheduled me for a full-cost cleaning for 6 months later, which I'm about to cancel because I simply don't trust this place. Again, maybe it's because I'm on Medi-Cal. If you've got money, your experience may be different.

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    Life Smiles Dental Care
    Life Smiles Dental Care
    Life Smiles Dental Care

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    Guadalupe Marquez, DDS - generaldentistry - Updated September 2026

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