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    John C. Martin, DMD, MS

    2.7 (3 reviews)

    Services - John C. Martin, DMD, MS

    Orthodontics

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    Family Orthodontics

    Family Orthodontics

    2.6(13 reviews)
    2.0 mi

    I'm a long-time patient of this facility, got my braces here in 2006 and have been going back for…read moremy retainers since. (Adult braces, will need retainers for the rest of my life. This place has gone from a customer-friendly organization where the doctor knew what was going on with you and what you needed before he called you back to a disorganized mess. I watched as more than one patient was called into the office area, then called again by someone else after they'd already gone back with the first person. My husband tells me it also happened with me. Though I'd clearly explained to the receptionist that I just wanted new retainers, the man I'm assuming to be the orthodontist (he never introduced himself), seemed confused about what I wanted, changed his mind repeatedly about what he was doing and when I'd get my new retainers, and didn't listen when I told him what I needed. He wasted so much time, because he made assumptions rather than asking and listening. Meanwhile, there are 20 other people waiting for Sir Incompetence to be done with me, because we were all scheduled for the same time. Very unprofessional. I've been a patient here for almost a decade, but today was my last visit.

    Office Experience and lack of professionalism. I asked to speak to the office manager and she never…read morecame to address my concerns. I then asked to speak to the finance manager, she too refused to speak with me. There were several cluster conversations behind closed doors, but no one came out to address my concerns.

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    Family Orthodontics - Click to http://wefixyoursmile.com to learn more and schedule an appointment!

    Click to http://wefixyoursmile.com to learn more and schedule an appointment!

    Family Orthodontics

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    Coast Dental

    Coast Dental

    2.5(22 reviews)
    0.0 mi

    Great for whole family...from my 9 yr old son to myself ...professional, caring, and hardworking…read more Highly recommend

    This is the worst place ever to get assistance after they've done dental work. I always check…read morereviews before I visit anywhere, whether its for personal healthcare, entertainment, food, etc. Coast dental had great revies for their dental services, but awful, horrendous for financial procedures. I said thst surly that won't happen to me, but True and Behold, it did. The Caucasian (don't know her name) lady at the front desk was very rude and demanded that I pay over $900. I was NEVER informed that I needed to pay upfront, because my insurance provider had already informed me that I was approved for the services that I was going to get. Coast dental associates never answer the phone. One's calls are always routed to an answering service. Every single day except for Mondays because they re closed, I have tried to reach out to the answer machine just states that they are experiencing a high volume of calls. Bullcrap!!!! They never answer. You can't leave a message for them. After answering service leaves them a message, they were called back from a number that does not come up coast.Therefore, customers and clients don't answer phones due to the spam calls that we are receiving these days. Whoever calls you back does not leave a message where o you can respond to them. My insurance company told me that I should only have paid $153.00 for services. Me and my insurance company have filed a grievance against this company.For overcharging , patients and not applying the proper insurance that is being paid through our insurance companies. Coast down told me my insurance only $249 and I was left to pay the balance. That is definitely untrue. So be very careful before you have done a work.Done at this place because 9 times out of 10, they are going to overcharge you for services. Surely everyone on google who have left reviews about the financial procedures are not lying. Shame on Coast Dental.

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    Coast Dental
    Coast Dental
    Coast Dental

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    Great Expressions Dental Centers Conyers - Wall St

    Great Expressions Dental Centers Conyers - Wall St

    2.7(19 reviews)
    2.1 mi

    After going to this particular location for over a year now. I had to come back and update. The bad…read moreexperience that I had when my daughter and I first visited this facility was in my opinion a stones throw from horrible. Now after being with this location for a year, the individual that we had the issue with no longer works there. It is so true when you hear the expression that an employee can make or break your business. Now I must say that the main reason I chose to stay was because my dentist that I have had for myself and my family I have been with since first moving to Georgia in 1993. He transitioned to this facility. So if he goes I go. So if you are looking for a professional, respectful, genuine and caring dentist, Kelwin Heard is the dentist you want in your life. Great Expressions located in Conyers Georgia.

    Went in to finish my bridge procedure today. We started this early November 2025, I went in to get…read moremy porcelain/ main bridge in but had tooth sensitivity since my visit in December (after the dentist shaved down my tooth a 2nd time) when the dentist came in she looked at my x-ray FROM THE INITIAL VISIT and told me she was going to refer me to a specialist because on the same tooth, she shaved down a second time I might need a root canal due to me. "grinding"my teeth which I found extremely disturbing seeing as how we already started the bridge process from the same x-ray that she was showing me. If she knew I needed a possible root canal for the surrounding teeth, why in the world would she have started the procedure or completed it for a bridge? Why now am I having to go to a specialist for that said tooth after I paid all this money? Why not have created a treatment plan for said teeth then if there was that big of an issue?? Every time she came in to speak it was something new and different! I feel as though she shaved down too much hence the new sensitivity. I asked for a plan for now and then, nothing was given and I was told there was nothing in my chart as well for previous visits. I asked for my X-rays so I can go elsewhere and was given the complete run around. They only tried to give me select X-rays (not even the one we went over today!!) I had to ask for my MA who's been assisting the dentist and she then got the job done with at least said X-ray. I wanted my complete medical records and was told they couldn't give them today due to "new policies" going to get a second opinion ASAP. Requested my dental records back in January from the office on my last visit and never received them. When I called in regards someone told me they wouldn't release them due to the fact that they added a deductible payment AFTER my appointment that I wasn't aware of but according to HIPPA laws it's total illegal to withhold my records even for that reason. Will be contacting HIPPA as well as Georgia Dentistry Board in regards to them withholding my records as well as the nasty treatment I got from the medical assistant this morning. I DO NOT RECOMMEND THIS OFFICE!!! If things don't go a good way they give you the run around and CLEARLY with hold your medical records which we as patients have rights to. Luckily I recorded the WHOLE interaction the day I went to sign papers because they gave me funny business the last appointment I went to.

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    Great Expressions Dental Centers Conyers - Wall St - Sitting in the chair

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    Sitting in the chair

    John C. Martin, DMD, MS - orthodontists - Updated May 2026

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