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    Mertens John H DDS

    5.0 (2 reviews)

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    14 years ago

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    Inland Empire Oral & Maxillofacial Surgeons - Rancho Cucamonga

    Inland Empire Oral & Maxillofacial Surgeons - Rancho Cucamonga

    4.8(577 reviews)
    15.2 km

    I had severe obstructive sleep apnea before undergoing maxillomandibular advancement surgery with…read moreDr. Christopher Choi. My pre-surgery AHI was around 35, and after surgery my follow-up sleep study showed an AHI of approximately 2.9. The improvement was dramatic, and I'm extremely grateful to Dr. Choi for the surgical outcome and the impact it has had on my health. More recently, I needed mandibular hardware removed, and Andrea was excellent throughout the process. She helped get everything scheduled quickly, kept things moving, and also helped sort out the billing issues. That made a stressful situation much easier to manage. I really appreciate Dr. Choi, Andrea, and the IEOMFS team for the care, professionalism, and follow-through. I would highly recommend them.

    The doctor was personable and professional during my consultation. However, I have significant…read moreconcerns regarding the practice's billing structure. In addition to the standard costs associated with treatment, I was informed of a $7,500 "surgical planning fee," along with other charges that are not covered by insurance. As a result, my out-of-pocket costs for an otherwise covered jaw surgery would exceed $10,000. None of the other surgeons I consulted with assessed similar fees. I am also disappointed by the delays surrounding my imaging refund. In March, I was advised that the imaging costs would be refunded once the insurance claim was processed. I received confirmation is was processed in April. It is now nearly July, and I have been told that it may take an additional 30 to 45 days to receive reimbursement.

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    Inland Empire Oral & Maxillofacial Surgeons - Rancho Cucamonga
    Inland Empire Oral & Maxillofacial Surgeons - Rancho Cucamonga
    Inland Empire Oral & Maxillofacial Surgeons - Rancho Cucamonga - Dr. Christopher Choi

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    Dr. Christopher Choi

    Inland Empire Oral & Maxillofacial Surgeons - Upland

    Inland Empire Oral & Maxillofacial Surgeons - Upland

    4.9(320 reviews)
    8.0 km

    I honestly cannot say enough good things about my experience at IEOMFS, with Dr. Dudziak & also…read moreManny. I put off removing my 4 wisdom teeth for the last 5 years because I was honestly terrified. I am a mom of 3 so I was really scared to go under anesthesia and also had never had any kind of oral surgery. Fast forward my wisdom teeth were causing me so much pain it became unbearable. My dentist referred me to IEOMFS for a consultation. Dr. Dudziak was very thorough and answered all of my questions. Kate was very kind and Manny was absolutely amazing. They both recognized how anxious I was the day of my procedure. Manny started talking to me about other things to get my mind off the procedure while Kate got me hooked up to nitrous oxide. I am not kidding you as strange as it sounds from that point on I had a blast. I couldn't stop laughing. Manny was so sweet and funny and kind. Dr. Dudziak came in and gave me my IV (he was fantastic at administering that as well) and he answered my questions I had prior to my procedure. From that point forward all I remember is waking up and it was all over with. (I know I was pretty silly on the nitrous and they were all so kind and funny and patient with me which I am so grateful for). I asked Kate to see my teeth that were extracted and she was kind enough to show me too which was really neat to see. I woke up so happy and relieved that I finally had gotten my wisdom teeth taken care of .. no pain or memory of the extractions/coronectomies at all whatsoever. To whoever is reading this review that needs their wisdom teeth taken care of: please just get it done and over with - and make sure to get it done here if you want a seamless experience. Do not wait like I did - the procedure and recovery really truly is not bad at all and wasn't scary at all. The procedure itself was actually enjoyable and the recovery has been more than manageable (even with me being 33 years old & having the possible risk of having a harder recovery at an older age.) I am currently on day 3 of my recovery and am already feeling so much better. I fully believe a huge contributor to this is because Dr. Dudziak is so incredibly skilled and gifted at what he does. (I have also religiously followed all of my post op care instructions they gave me). My experience with IEOMFS was all in all exceptional from the front desk, to the surgery, to my post op care as well. They are so incredibly thorough and on top on every single detail: - They sent in my prescriptions 5 days prior to surgery - called me to make sure I had them prior to surgery - answered all of my questions (I had way too many ) - gave me a ton of post op goodies (head wrap that holds cold packs that you can also use for warm packs, extra cold/warm packs, chapstick, a smoothie, a thank you card and other supplies for post op care). - The evening after my procedure I had a question about a prescription .. my husband left a message after-hours and they called him back quickly to answer the question even after-hours! -They called me day 2 to check in on me and see how I was doing. I have had 3 c-sections and never in my life have I experienced this kind of care and attention to detail pre op, during surgery or post op. Their service is top notch and so on point it's honestly amazing and deserves to be recognized. I have learned in life that there are certain things you truly do get what you pay for with (tattoos, car repairs and dental care). My experience and procedure I had done here was worth every single penny and I would choose IEOMFS and Dr. Dudziak a thousand times over. I will absolutely be referring all of my friends/family here and have already started telling the people I know that need their wisdom teeth taken care of to go here. A huge thank you to you all for giving me such an incredible experience I cannot thank you enough!! Every single one of you are absolutely amazing and I will forever be grateful for you and my experience at IEOMFS!

    My molar broke in half the night before and they came to my rescue. This clinic's operations and…read moreprocedures is a product of decades of experience that leads to total patient satisfaction. I was referred by Sacred Heart Dental Care by Dr. Leah Dayrit in Rancho Cucamonga at 2:30 pm for a 3 pm appointment with Dr. Matthew for a consultation. Dr. Dayrit took the time to call the clinic as she knew I was in tremendous pain. I got to the Inland Empire Oral Surgery clinic at 3 pm. I checked in and I was surprised that all my paperwork, insurance verification etc. were already completed. I waited for a few minutes and was taken in for X-rays and was guided to my surgery room. Vital monitors were placed and my blood sugar was taken and my prescription medication was assessed for potential risk to the procedure. All of this was done while the whole staff were on headphones coordinating status of their divisions or responsibility for metrics of performance. It was an amazing experience - I felt comfortable to be in the chair knowing that I would be in good hands based upon the pre-surgery experience. My dental assistant was seasoned and kind while explaining and guiding me through the process which helped me manage my expectations and not be in the dark. The finale' was my experience with Dr. Matthew. His process exemplified what the presurgery experience was. Constant communication with me one everything that I am experiencing and provides real time feedback back. It just made me so at ease and definitely reduced my anxiety. Let's just put it this way, I came in anxious and in pain and came out happy and relieved - all in less than two hours. I was even escorted out to the exit door. My heart's with you - so to all my fellow Yelper foodies - this is the place to go so we can continue to be Foodies.

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    Inland Empire Oral & Maxillofacial Surgeons - Upland
    Inland Empire Oral & Maxillofacial Surgeons - Upland
    Inland Empire Oral & Maxillofacial Surgeons - Upland - Dr. Matthew Dudziak

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    Dr. Matthew Dudziak

    Inland Empire Oral & Maxillofacial Surgeons - Glendora

    Inland Empire Oral & Maxillofacial Surgeons - Glendora

    5.0(112 reviews)
    15.5 km

    Dr. Hanna and his team are exceptional at what they do. They performed a coronectomy on my lower…read moreleft wisdom tooth and did a wonderful job with it. Recovery has been smoother than expected due to their careful work, post-op instructions, and phone follow-up. I was originally terrified to undergo the procedure and sedation. Dr. Hanna and his team made it as comfortable a process as they could, sending me off with a smoothie and wheeling me to my car downstairs. I appreciate the care and thoughtful gestures so much. My first surgery appointment here was canceled without warning (I only learned upon calling them to ask about my surgery), but the office apologized for it and was able to set me up with another appointment easily. The office is super busy so it's sometimes tough to get a call in. However, staff always treats you with dignity and patience, which I am grateful for. The physical office itself is spotless with a small lobby. It's located on the second floor and parking can get full due to other businesses in the building, so I recommend coming a little early to make sure to secure a spot. Overall, highly recommend this place for anyone in need of oral care. The team is stellar here!

    The entire experience was great & thorough; from consultation up till extractions date &…read morethereafter. The staff and the doctors are knowledgeable and KIND! They treated my daughter very kind & explained process to her Thank you Dr. Hanna & Rebecca If any other family members need extractions in the future - We Will Be Back! Highly recommend Glendora office! They're all GREAT!

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    Inland Empire Oral & Maxillofacial Surgeons - Glendora
    Inland Empire Oral & Maxillofacial Surgeons - Glendora
    Inland Empire Oral & Maxillofacial Surgeons - Glendora - Dr. Danny Kim

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    Dr. Danny Kim

    Glendora Oral Surgery and Implant Center

    Glendora Oral Surgery and Implant Center

    5.0(27 reviews)
    15.7 km

    We were referred to Dr. Lee for Oral Surgery per our regular dental office. Located in a small…read moreplaza. There is street parking and plenty of parking in the lot available. The front office staff are friendly and work with you to schedule appts and future appts. Dr. Lee is very professional and explains in detail if any treatment(s) need to be done and any addtl costs that may incurred due to treatment. We were most impressed that Dr. Lee sent a text after the oral surgery treatment asking how the healing was going and if we had any questions or pain, please give her a call... now that is 5 star customer service! My husband was so impressed!!! Overall, we had a very good experience with Dr. Lee and her staff.

    My experience with Glendora Oral Surgery and Implant Center has been fantastic. From the moment I…read morescheduled my appointment to the day of my treatment, the entire team took excellent care of me. They made me feel welcome and comfortable throughout the process. I was pretty nervous and scared before my procedure, but they put me at ease and explained everything clearly and thoroughly. Their professionalism, compassion, and attention to detail made a huge difference. What impressed me most was that they called me later that afternoon after my surgery to check on me and make sure I was doing okay. That level of care goes a long way, and I truly appreciate it. Thank you to the entire team for such outstanding care. I highly recommend Glendora Oral Surgery and Implant Center to anyone looking for a skilled, professional, and caring oral surgeon.

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    Glendora Oral Surgery and Implant Center
    Glendora Oral Surgery and Implant Center
    Glendora Oral Surgery and Implant Center

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    Abari Orthodontics and Oral Surgery - San Dimas - Smiles like this, make it all worth wild!

    Abari Orthodontics and Oral Surgery - San Dimas

    4.2(197 reviews)
    14.1 km

    Our experience at Abari Orthodontics has been amazing, and a huge part of that is because of the…read moreoffice manager, Edina. This is my 2nd time getting braces (lost my retainers in high school and teeth shifted) and my son's 1st and last time . From the very first visit, Edina made us feel welcomed and taken care of. She answered all of my questions and prepared a detailed treatment plan including estimated monthly payments.  Abari Orthodontics staff are always friendly, professional, and incredibly organized. Checking in for appointments and scheduling future appointments has been completely stress-free. My son and I mostly followed up with Dr. B., who is very knowledgeable, professional, and genuinely someone who cares about his patients. He takes the time to explain the treatment process clearly and always makes his patients feel comfortable and confident during appointments. It's rare to find someone so patient, attentive, and dedicated to excellent customer service. Thank you all for making every visit such a positive experience!

    My daughter was referred to Abari Orthodontics for an oral surgery consultation regarding the…read moreextraction of my 8-year-old daughter's severely decayed permanent molar (#14). Before we could even be seen by the oral surgeon, I was told that she needed an orthodontic consultation first. As expected, because my daughter is only 8 years old and still has many primary teeth, we were told she was not a candidate for orthodontic treatment at this time. We then had to schedule yet another appointment to finally see the oral surgeon--the very reason we were referred to the office in the first place. During the oral surgery consultation, the doctor agreed that the tooth needed to be extracted but recommended a bone graft that was not covered by insurance. When I asked whether the extraction could be performed without the bone graft, I was told by the treatment coordinator that the doctor would not perform the extraction unless the bone graft was also completed. As a parent, I wanted to understand the specific clinical reason for that decision. I requested written documentation explaining why the bone graft was necessary in my daughter's case and why treatment would be denied without it. Instead, I was provided with paperwork recommending a second opinion, which did not answer the questions I had asked. My concern is not that a bone graft was recommended. My concern is that I was unable to obtain a clear explanation of the clinical findings supporting the recommendation or the reason extraction alone was not considered an option. When parents are being asked to approve a procedure that is not covered by insurance and comes with a significant out-of-pocket cost, they deserve a clear and detailed explanation. Having worked in the dental field myself, I understand how insurance reimbursement and contracted fee schedules work. In some cases, additional procedures that are not covered by insurance can create significant out-of-pocket expenses for families, particularly when patients have state-provided insurance or plans that reimburse at contracted rates (HMO). While I cannot speak to the intentions of this office, the situation raised concerns for me because the recommended treatment involved an additional non-covered expense, yet I was unable to obtain a clear explanation of why it was required before the extraction could be performed. Parents should be aware of this and feel comfortable asking detailed questions whenever additional out-of-pocket procedures are recommended. I encourage other parents to ask questions, request copies of radiographs, seek second opinions when appropriate, and make sure they fully understand the rationale behind any recommended treatment before proceeding.

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    Abari Orthodontics and Oral Surgery - San Dimas - Such a great example for her little brother! Keep up the good work guys!

    Such a great example for her little brother! Keep up the good work guys!

    Abari Orthodontics and Oral Surgery - San Dimas - Our daily mission is to consistently provide each of our patients the highest quality orthodontic and oral surgery services i...

    Our daily mission is to consistently provide each of our patients the highest quality orthodontic and oral surgery services i...

    Abari Orthodontics and Oral Surgery - San Dimas

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    Mertens John H DDS - oralsurgeons - Updated October 2026

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