When choosing Dr. Harvey Jay Mahler at Smile 312 Chicago's Premier Dentist, you can expect to see a smile that will boost your confidence, improve your oral function, and make a positive impression. Using high-quality treatments for more than two decades, we can address your oral healthcare needs so that you walk away feeling better than before. You are welcome to view the images below to see some of our satisfied patients!
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Our patients’ satisfaction is our top priority. From routine checkups to advanced dental care, we make sure every smile leaves our office healthier and happier.

When I first arrived at Smile312, my mouth was in complete disarray—I honestly didn’t even know where to begin. That all changed when I met Dr. Mohler. From our very first interaction, he established a sense of trust and professionalism that immediately put me at ease. He took the time... read more to truly listen to my concerns and questions, crafting a personalized treatment plan tailored just for me. I was blown away by his depth of knowledge, ongoing commitment to staying current with the latest advancements in dentistry, and his use of state-of-the-art technology to ensure accurate diagnoses and effective treatments. What stood out most, though, was his empathy and compassion. He understood my fears and anxieties and created a welcoming, supportive environment that made me feel safe. I’m genuinely thrilled with the progress of my dental work and, believe it or not, I actually look forward to my visits! My mouth is still a work in progress, but I’m excited for what’s ahead. Can you believe I’m saying that about going to the dentist? LOL! Isabel at the front desk consistently provides a warm and welcoming first impression upon arrival. She is incredibly friendly, professional, and communicates information clearly and effectively—whether it’s about services, appointments, or billing. Isabel takes the time to explain everything in a way that’s easy to understand, and she’s always willing to answer questions or reschedule appointments when needed. Her helpful and approachable demeanor truly enhances the overall experience. Johanna, the dental assistant, is incredibly professional and attentive, always ensuring that patients feel comfortable and at ease in the dental chair. She is kind and gentle when taking x-rays, making the process smooth and stress-free. After my dental work was completed, she took the time to educate me on proper oral hygiene practices, which I truly appreciated. Additionally, Johanna maintains a meticulously sterile environment—something that is absolutely essential in a dental setting. Her dedication to patient care and safety is truly commendable.
Top notch, seasoned dentist who cares about his patients. Offers current methods/tech.
Experience is always top tier! Staff and doctor very friendly
Thanks Dr. Mahler and the dental assistants for providing a professional and excellent service. Update: Dr. Mahler is the best dentist I have had after I visited some other dentists. He is very patient, professional, knowledgeable and trustworthy. He fixed my old crown and recommended another oral surgery expert Dr. Zager... read more for my bad tooth extraction. All was great!
312 Smile is the best, they are definitely 5 star, they always take good care of their patients dental needs. 😊
Dr Mahler is considerate to your concerns and will give you the best course of treatment. He does a great job with my cleaning. Great location for anyone in the Loop.
I can't recommend Dr. Mahler highly enough! He is the best dentist I have ever had, combining exceptional professionalism with deep knowledge and expertise. His team is equally outstanding, making every visit smooth and pleasant. I first came to him after a distressing experience with another dentist, and Dr. Mahler... read more reassured me with his calm demeanor and promise to help. True to his word, he provided excellent care and resolved my issues effectively. If you are looking for a top-notch dentist, look no further—Dr.Mahler is the one you want!
Dr Mahler is very knowledgeable and thoughtful. He will do what’s best for his patient and walk you through the process so you are fully informed. His staff is also very helpful and customer centric. Great practice!
I walked in to see the dentist for a consultation. I thought I would be turned back due to not having an appointment. Amazingly, the doctor welcomed me, examined me in a professional and friendly way. Frankly, he took the time to check my teeth and explained in details his... read more assessment. I am thrilled with the dentist and staff. Thank you for your time dr. Harvey Mahler. A professional and kind dentist. I strongly recommend him.
Just had my first visit to Smile 312 in the Loop—spotless office, friendly staff, and they’ve got Netflix to keep you entertained. Went in for a cleaning and check-up; dropped about $150 after insurance, which felt fair. They broke down the costs and insurance stuff clearly. Scheduling was easy, and... read more they actually run on time. If you're downtown and need a solid dentist, this is the spot.
| Monday | 8:00 AM – 5:00 PM |
| Tuesday | 8:00 AM – 5:00 PM |
| Wednesday | 8:00 AM – 5:00 PM |
| Thursday | 8:00 AM – 5:00 PM |
| Friday | 8:00 AM – 1:00 PM |
| Saturday | Closed |
| Sunday | Closed |
