Start Smiling Dental
Mark Sayeg, DDS:
Practice Profile Page


Start Smiling Dental
Mark Sayeg, DDS
Sandy Springs, GA













A list of major dental treatments which I offer my patients:

Dental cleaning

White fillings


Inlays & onlays


Clear aligners

Porcelain veneers

Teeth whitening

Dentures & partials

Root canal treatment

Tooth extraction

TMJ treatment

Dental implants


Offers Even28 at-home™? No

Offers Even28 at-dentist™? No

Offers Invisalign®? Yes


Monday: 8:00 am to 5:00 pm

Tuesday: 8:00 am to 5:00 pm

Wednesday: 8:00 am to 5:00 pm

Thursday: 8:00 am to 5:00 pm

Friday: Closed

Saturday: Closed

Sunday: Closed





Check out what some of our happy patients are saying about us:

Aphro V. from Manhattan, New York, NY (Source: Yelp)


Man!! They are the best!! The work that has been done from the doctor and his staff has been outstanding. I had major concerns when first walking in there. Here it is about a year later, I am smiling from ear to ear again. The work that was done was awesome and I recommend anyone to go in and just try them out. Trust me, you will not go wrong. Your cleaning alone will have you feeling like a million bucks with that winning smile. Dr. Sayeg and his staff rock!!!

Michael Halpern (Source: Google)


First – Start Smiling Dentistry (Drs. Sayeg and Hahn) took over the practice of Dr. Paul Isler, who was my dentist for more than 40 years until he retired several months ago. My first experience with Start Smiling was having a painful rear molar with a long-ago crown extracted- the procedure was well done and healed quickly. This afternoon I visited Start Smiling Dental for a routine 3x/year dental hygiene. My hygienist, who I met for the first time, was Tanya – she did a careful and thorough cleaning of my 87-year-old teeth. So far I couldn’t be more pleased with this practice and I highly recommend them

Orin T. from Atlanta, GA (Source: Yelp)


I really enjoy coming to this dentist office. I actually used to go to one near my house but my coworker recommended this one since its close to my job. I needed something closer to my job so I can go before or after work. I came here originally for a pain that I’ve had in my mouth for months that my previous dentist couldn’t find. They welcomed me with open arms and tried to diagnose the problem. Dr. Sayeg is very patient and friendly. He has been on a quest to find out where the pain is coming from. I’m confident that we’ll get to the bottom of it soon. His hygienists are fun and funny. That helps the cleaning experience to go by quickly. I always feel comfortable when I go into the office. They’re on time with my appointments and their hours are convenient for my schedule. They connected me with my awesome orthodontist (Dr. Kaplan) and I’m excited that by this time next year I’ll have the smile I’ve dreamt about for a long time.

Lindsay B. from Atlanta, GA (Source: Yelp)


The Sayeg team is the best dentistry team out there! I have been going to them for about 10-15 years now. Every person I come across is extremely sweet and helpful. They have great ways of updating you about your appointments via text 1-2 weeks before your appointment instead of the day before. They listen to you and always answer/investigate any questions that you have. And my favorite part- they give you a remote control, headphones and a TV to watch while you are getting your teeth done to help drowned out some of the machinery. I couldn’t ask for a more caring and thorough team to take care of my teeth. Trust me- if you are thinking about switching dentists, you need to go see this team!

David Sheldon (Source: Google)


I want to let everyone know that this is the Greatest Dental office that I have ever been to in my life. The service is excellent and the best equipped dental office I have ever seen. I would highly recommend to everyone. Doctor Mark is the Best ever, I would never think of going anywhere else. The staff was perfect. Thank all of you very, very much y’all have mastered Dentistry, simply the Best ever.

Leighton B. from Barcelona, Spain (Source: Yelp)


Look no further! Start Smiling Dental is the BEST dentist office by leaps and bounds. You will always be in good, honest, and gentle hands here. I have been a patient for 20+ years, and even though I have moved to other cities throughout this time, I always come back to Dr. Sayeg and his absolutely stellar team. Tanya, one of the hygienists, is by far the best I have ever seen. She is thorough but also incredibly gentle. Their new offices are state of the art and you will always encounter smiling, friendly faces here that will put all of your dental fears at ease. Don’t think twice. Book your appointment today.

Linda R. from Stone Mountain, GA (Source: Yelp)


Start Smiling Dental” is #1 in my book. I’ve been with Dr. Sayeg for 23 years. The care I’ve received has always been honest and the best there is. Everyone is personable, friendly and very professional. The environment is clean and welcoming. Even though I have moved from the area, and this is out of network for my insurance, I prefer the great care that I receive and would always recommend this office for Dental care.  
#I Love my smile!!

Carrie Facemire (Source: Google)


After another dentist office cancelled my emergency filling appointment 20 minutes before I was supposed to be there, my boss (who also comes here) called Start Smiling Dental to see if they could fit me in. They were able to see me right away and EVERYONE from the front desk staff to the dentist was so kind and helpful. I always knew what was going on during the filling and despite normally hating the dentist, I felt as comfortable as possible. I’ll be making this my regular dentist from now on.

Dana Bowlin (Source: Google)


I always have a good experience here, even though it’s a dreaded dentist appt! Everyone is very friendly. Tanya, the hygienist, almost always does my teeth and she is awesome! I’ve been coming here for 17 years now (after trying a few times to find a good dentist after moving to ATL). Its even worth the drive now that we’ve moved to Smyrna. I’ve never had a bad experience and I would highly recommend Dr. Sayeg and Start Smiling to everyone!

B E. from Fayetteville, GA (Source: Yelp)


Just to show how good this Dentistry group is, I work in Missouri (since 2009) and fly back to Atlanta for ALL my dental work. Dr. Sayeg and Everyone here is fantastic. Their office is “State-of-the-Art” with equipment, the decor is top of the line, their special services (Hulu, Netflix and hand massage….just to name a few) puts you into the most relax state of mind. No matter where you live (in Metro Atlanta), please let your next Dental appt. be here – I promise you; you’ll love’em!

Kathleen D. from Suwanee, GA (Source: Yelp)


I’ve been a loyal patient for almost 20 years and It feels like family every time I come for my appointments. Treatment and advice is outstanding with always my best care in mind. Dr Sayeg and Lory show great compassion as my general health is recently compromised. I know they care about me as a patient but also as a friend.

Rita Gable (Source: Google)


I have been a patient of De. Sayeg’s for many years & have been extremely pleased with all services as well as the staff at Start Smiling Dental. Everyone is very professional but also attentive to the individual needs of the patients. I am so comfortable there, I have been known to fall asleep (without anything) while they were working on my teeth. That shows how much I trust them. I wouldn’t consider going anywhere else.

Ginny G. from Atlanta, GA (Source: Yelp)


Literally the best dental experience of my life. Everyone was so nice, so professional and excellent at their respective jobs. The office is clean, beautiful and has state of the art equipment. I found Dr. Sayeg to be knowledgeable, honest, a clear communicator and kind. He’s very experienced in his profession and an excellent dentist.

R B. from Covington, GA (Source: Yelp)


I travel over an hour to go to Start Smiling! I am very Sensitive and Dr. Sayeg has for over 10 years never failed! I was prepped for a crown today and not one ounce of pain!!! I never wait long to get treated. He came highly recommended to me and I too would recommend him without hesitation to anyone! The office is very clean, which is really important to me! Thank you Dr. Sayeg for all of your hard work and same for your professional caring staff!!! He deserve 10 stars but they only gave me 5! You can truly Start smiling in this office!

Jeff C. from Smyrna, GA (Source: Yelp)


It’s Dental work Right??? How fun can it really be?   I have never been a fan of Dentists but Dr. Sayeg and his staff are really great people and they make the whole experience really fun.  He knows his stuff and so do his employees. Rebecca is really awesome and always greets you with a warm hello and a great smile. The best part is being able to watch TV while they work.  It’s really relaxing.

Girish M. from Cumming, GA (Source: Yelp)


It was my first time going to Dr. Sayeg. And it was great. I’m what he said is referred to as a “Fearful Patient” which I sure am. Dr. Sayeg and his team made every attempt to put me at ease with the process and with the procedure I was about to have. I only had my X-rays taken and my teeth cleaning done, and I felt very comfortable throughout and felt like I was in great hands with his team. I have a couple of fillings and a root canal to do and I’m Definitely gonna do it here…no doubt about it.

Cheryl C. from Smyrna, GA (Source: Yelp)


Hands down, the best dental experience EVER. They are very kind, patient and friendly. Even when I had to bring my 4 year old in with me, they provided him with an Ipad, a kids movie and even a toy to help occupy him. My son left saying he want to go to the dentist EVERY DAY! Dr Sayeg is the best. He takes the time to explain, give options, and allows you to make the decision with their guidance and support. I would HIGHLY recommend.

William E. from Atlanta, GA (Source: Yelp)


This was my first dentist visit in over 8 years so I wasn’t sure what to expect. Wow was I pleasantly surprised. No wait time whatsoever, I was introduced to Dr. Sayeg first and then was led to a very professional and friendly dental assistant and hygienist that took pictures and xrays and Dr. Sayeg showed me exactly what was going on with my teeth. Got to watch Big Bang Theory during my cleaning which was pretty cool. Very comfortable experience (as far as a dental cleaning can go, anyways, haha) A very high tech office, friendly, and courteous group. I could not have been more impressed with my visit and the information I gained. I joined Yelp just to leave this feedback and I recommend this place to everyone.

Heather Sullivan (Source: Google)


I enjoyed the practice, nice place, great dentist and hygienist. My only problem with them is they looked into my insurance before my appointment and quoted me a certain price. When I went to check out my cost was double. They said they assumed I had the premium dental insurance. Not a big deal, the treatment I received was great, just a little disappointed that they assumed anything. To pay double makes a big difference.

Alexis D. from Douglasville, GA (Source: Yelp)


Today was my first visit to Start Smiling Dental and I’m so pleased with the staff’s hospitality and the entire process from start to finish. Dr. Sayeg was so personable and I did not get the sense that he was trying to pressure me into any additional services. He simply made recommendations based on his assessment and let me decide whether I’d like to proceed. The hygienist was amazing and the staff member that took my x-rays was also very friendly and talked me through how she would capturing each image. I’m so glad I found this practice! As long as I am a resident of Atlanta, I will be a patient of Dr. Sayeg. Kudos to the team at Start Smiling!

Catherine J. from Atlanta, GA (Source: Yelp)


Dr. Sayeg is beyond exceptional. I am so grateful and appreciative for his amazing work. I told him that he restored my faith in mankind.  His practice is Iike a super bowl team that wins 100-0 every time. Everyone is caring, nice, helpful and does exceedingly excellent work. They also work great as a team. Dr. Cherof handled a difficult treatment for me as well which I described as his doing a triple back flip landing perfectly in the water without a splash. They are the best in the world!!!!!

Tinisha R. from Atlanta, GA (Source: Yelp)


Dr Seyag is the best dentist I’ve ever had hands down. His staff is absolutely amazing. They pay so much attention to detail and making their patients feel comfortable. They schedule me with my usual hygienist without me having to ask but honestly I like all of the ladies. Appointments are always on schedule, I’ve never had to wait long for my appointment. The staff is accommodating with scheduling and payments as well. I had really bad anxiety at the dentist but a few years with these guys and I’m healed. I don’t dread going to the dentist anymore. I can’t say enough good things about my experience at start smiling dental. Dr Seyag has fixed a lot of bad dental work that I had done previously and was worth every penny. Dr Seysag referred me to my awesome orthodontist and made sure things were going well when I had braces. Trust me guys make the switch!

Tangila Trice (Source: Google)


I must say that if you’ve read the reviews, they are all true. This was the best dental experience I’ve ever had. I had not been to the dentist in a while, so of course I was a little nervous about what they may find. However, they made me feel very comfortable, answered all my questions, asked me all the right questions, and overall did an excellent job. The staff is exceptional, right along with the service. I highly recommend this office if you’re looking for high quality dental care.

Kelsey Bloomfield (Source: Google)


My whole family and I have been seeing Dr. Sayeg and team for over 20 years now and will never go anywhere else! They are like family and always make my dentists appointments easy, quick, and stress free. I strongly encourage anyone looking for a top notch Dentist in the Buckhead and Sandy Springs area to visit them!

Brittany L. from San Francisco, CA (Source: Yelp)


I am absolutely terrified of the dentist, and I have been since I was a child. I was in a full blown anxiety attack when I walked into the office, but the minute I sat down with Dr. Sayeg, all that anxiety went away. We had a consult in his office to go over the issues I was having and also to talk about what has made me dislike (hate) the dentist in the past. He listened to my anxiety ridden ridiculousness and immediately talked me off the ledge. He assured me that he would keep me well informed throughout the appointment and if at any point anything was unbearably uncomfortable or gave me anxiety, he would stop and fix the issue. It was, by far, the most pleasant experience I have ever had. I have to go back for a root canal, and I’m actually looking forward to my next appointment. The entire staff was just wonderful. I cannot recommend them enough!!!

Elizabeth S. from Alpharetta, GA (Source: Yelp)


I was referred here by a coworker after my dentist was charging astronomical prices & said I had six cavities. I went to Dr Sayeg and he has a much more conservative approach and said it looked like I had two. He also does a lot of other cosmetic work which is cool. I’ve never had a cavity but I got my first one filled today. I was scared out of my mind…I didn’t even feel it. They also put your hands in a paraffin wax and you can listen to music or watch Netflix while they clean your teeth or fill cavities. They try as much as they can to make it the best experience possible. I’ve already set up my next appointment next week for my final filling and some cosmetic work.

Bob V. from Atlanta, GA (Source: Yelp)


My former dentist was a personal friend before he became my dentist. That professional relationship lasted for over 15 years until he retired. I dreaded the thought of looking for a new dentist and put it off for several months until I had a dental crisis. That’s when I found Start Smiling and Dr. Sayeg. He recommended a crown for the broken tooth. After fixing that I asked about another tooth that was snagging food. He suggested reworking the tooth to correct the problem. His staff is top shelf and the quality of his work is exceptional.

Nicole K. from Marietta, GA (Source: Yelp)


I have been a client of Dr. Sayeg for 16 years!  Beautiful new office space, always new technology and screening.  I love that as my teeth are being cleaned I can get a paraffin wax treatment on my hands and can watch any tv show or movie on my personal tv screen.  The staff are always professional, pleasant and like family.  The hygentist are all extremely gentle when I receive a cleaning. Dr. Sayeg offers many different products to keep your teeth looking amazing, I bought two electric toothbrushes and all my whiting products from the office, great products!

Mark Leinmiller (Source: Google)


I’ve been going to Dr. Mark Sayeg since a friend referred him almost 15 years ago. The staff and environment are first-rate. One of the things that differentiates this practice is the level of care and involvement of Dr. Sayeg. I recently returned from a trip overseas and had a tooth that had become very sensitive. They worked me into their schedule then called to let me know of a cancellation if I was able to be there on short notice. After attending to my tooth, and recommending that we NOT pursue a root canal, Dr. Sayeg personally called the following week to insure that everything was okay. A great dental practice with great people!

Amanda Allred (Source: Google)


Amazing dentists, staff and office! They truly care about their patients and always go above and beyond to make sure I leave comfortable and happy. I am so thankful I found Dr. S for my dental needs! The front desk ladies are fantastic, each and every one of them go out of their way to make you feel comfortable from the moment you walk in the door! Rebecca has always been quick to help in any way possible and Dr. S is one of the sweetest people ever! After years and years of bad experiences, I can finally say that I have found the dentist I’ve been searching for!! Start Smiling Dental is trustworthy and they won’t let you down!

Sonja M. from Glenwood, GA (Source: Yelp)


Hands down!!  The best dental experience I have ever had! A big shout out to Dr Cherof and Heather for making my tooth extraction as painless as possible. Also to Tanya for her kind attitude and gentle touch while cleaning my teeth.  Dr Sayeg is upfront and honest and takes his time to explain what the detail procedure entails.  I know now that I have finally found a dental practice I can trust and feel confident to recommend them further.

Amanda A. from Cumming, GA (Source: Yelp)


Dr. Sayeg is not only amazing at dental work but truly cares about his patients. I recently had a root canal on a tooth that had been causing me excruciating pain, Dr. Sayeg unexpectedly fit me in to take care of the problem and checked in on me daily until the pain was gone. The staff is friendly, respectful and they go out of their way to make sure you are comfortable. I recommend this office and Dr. Sayeg to anyone who wants a healthy mouth and beautiful smile in a comfortable, welcoming office!

Debbie Y. from Marietta, GA (Source: Yelp)


i’ve been going to Dr. Sayeg for over a decade and i can’t say enough about his office.  I never have to wait to be seen and i love the hygenists.  It’s a very comfortable place if you have to be at the dentist!!  From the minute you walk in the door to when you check out you don’t feel stressed.  Dr. Sayeg is a great dentist and I would recommend him and his staff to anyone.

Heather D. from Marietta, GA (Source: Yelp)


What a great office!  Dr. Sayeg does an amazing job keeping my mouth healthy and looking great.  He and his staff are very thorough and I always leave feeling like I have received the best care possible.  The warm, friendly atmosphere makes my appointments very enjoyable and more like a visit with friends than any other office I’ve been in.

Isabel W. from Atlanta, GA (Source: Yelp)


I recently had really bad dental experience with another dentist that left my tooth in pain for months.  A friend of mine referred Dr. Sayeg and boy, don’t I wish I had gone seen him much sooner!  He was very honest and told me he would treat the crown as if he did the work.  He looked at the x-ray and explained to me what the problem could be.  Then he examined my tooth and did some crown bite adjustment.  He told me what to expect next and asked me to go back for a followup because it might need more adjustment.  He did all that work without charging me anything!  In addition, he told me any dentist should stand behind his/her work and I deserve to be satisfied for what I paid for.  Thank you Dr. Sayeg!!!  I feel that I can completely trust him and I will highly recommend him to anyone I know.