Contact Us

Welcome to Our Practice

From first contact at Stonehill Dental, our dentists are committed to your individual attention and strive to provide personalized oral health care tailored for your unique dental needs and goals. We work hard to create the ultimate stress-free and comfortable dental experience. Your health and comfort are our top priorities, and we do what it takes to help every patient understand their symptoms and treatment options in a relaxed office setting.

It is our mission to educate and provide our patients with the best dental care. For that reason, we’ve designed this website to provide you with all of the important information you need to make healthy decisions about your teeth and gums. We encourage you to browse our office page, service details and patient education library whenever you have a question about our practice or your oral health. Achieving quality dental care shouldn’t be difficult, so at Stonehill Dental we make it simple to achieve your healthiest, most beautiful smile. Whether you are looking for information on general dentistry, teeth whitening, crowns, preventive care, or periodontal exams, you can learn more about all of your options from our services page. For your convenience, you can also request an appointment online with our dentist and download patient forms directly from our website.

Feel free to contact our office with any questions. We look forward to making each visit to our office a positive experience.

Special Offers

Refer a new patient/family and receive a $25 CREDIT towards your account!

Dr. Mohan offers up to a 20% DISCOUNT( some exclusions apply) for our uninsured seniors (62 years and over)


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Our Location

Find us on the map

Hours of Operation

Our Regular Schedule


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-12:00 pm


8:00 am-12:00 pm



Meet The Doctors

Learn Who We Are

  • Jeff Hynek

    He has been a dentist in Calumet City and Oswego Illinois for over 20 years. He is married to his high school sweetheart, and has three children, they reside in the Shorewood area. Dr. Hynek truly enjoys his work.

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  • Shalini Mohan

    Dr. Mohan graduated Magna-Cum-Laude in 2004 from Tufts University School of Dental Medicine in Boston. She joined our practice in July 2004 and became Dr. Hynek's business partner in 2007. 

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What Our Clients Say About Us

  • "As a person with severe dental anxiety, I really I'm glad I found Dr Mohan. She is down to earth and understands irrational fear. She was patient and helpful and has really eased my anxiety. I now bring my whole family here!"
  • "Dr Mohan is wonderful; very thorough and transparent with all options. All staff members are very friendly and helpful. I am not a huge fan of visiting the dentists and all the staff at Stonehill made me feel welcome and comfortable. What more can you ask for :)"
    Anissa M.
  • "After 28 long years of dental issues I finally found the right one. My teeth genetically suck... cavities, crowns, extractions, braces, TMJ, and grinding...I have done it all and have hated EVERY MINUTE of it. Dr. Hynek's staff (which is just as important as the man himself) are fantastic. Friendly, timely, and always patient. Dr. Hynek himself actually took the time to listen to my concerns. Before we scheduled any repair work he gave me the play by play on EXACTLY what would happen. I had a pain free experience. I am over the moon to find a dental provider that actually cares about your experience and your comfort. Don't be scared... you are in EXCELLENT hands"
    Sarah W.
  • "My visit at Stonehill Dental is always a great experience. I may not come in smiling, but I am surely laughing on the way out! Dr. Mohan and staff are the most friendly people and care a great deal about their clients. They make you feel like you're part of their family. Five Stars Stonehill!"
    Kim S.

Featured Articles

Read about helpful topics

  • Invisalign®

    Invisalign's® invisible, removable, and comfortable aligners will give you the beautiful straight teeth you've always wanted. And best of all, no one can tell you're wearing them. Invisalign® is great for adults and teenagers. What is Invisalign®? Invisalign® is the invisible way to straighten ...

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  • Veneers

    Teeth that are badly stained, shaped or crooked may be improved by a veneer placed on the surface of the affected teeth. Veneers are thin pieces of porcelain or plastic cemented over the front of your teeth to change their color or shape. Veneers are used on teeth with uneven surfaces or are chipped, ...

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  • Fillings

    Frequently asked questions: dental fillings Are dental amalgams safe? Is it possible to have an allergic reaction to amalgam? Is it true that dental amalgams have been banned in other countries? Is there a filling material that matches tooth color? If my tooth doesn't hurt and my filling is still in ...

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  • Sealants

    Sealants are liquid coatings that harden on the chewing surfaces of teeth and are showing a great deal of effectiveness in preventing cavities—even on teeth where decay has begun. The pits and grooves of your teeth are prime areas for opportunistic decay. Even regular brushing sometimes misses these ...

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  • Overview

    Pain can occur in any number of places in your mouth: teeth, gums, roots, the palate, tongue and jaw. Cavities are a common culprit causing pain. Untreated cavities can impact nerves because of infections of the tooth and gums. Impacted and abscessed teeth and sore jaws from teeth grinding are other ...

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  • Your Rights and Responsibilities as a Patient

    Patient Rights You have a right to choose your own dentist and schedule an appointment in a timely manner. You have a right to know the education and training of your dentist and the dental care team. You have a right to arrange to see the dentist every time you receive dental treatment, ...

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  • Introduction

    Does mercury in the silver fillings in your mouth pose any long-term health risks? Does fluoride, in spite of everything we've been told since childhood, actually cause more harm than good? What does the latest research reveal about tobacco use on your overall oral health? This section is dedicated ...

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  • Oral Piercing

    Oral piercings (usually in the tongue or around the lips) have quickly become a popular trend in today’s society.  With this popular trend, it is important to realize that sometimes even precautions taken during the installation of the piercing jewelry are not enough to stave off harmful, long-term ...

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  • Toothaches

    Simple toothaches can often be relieved by rinsing the mouth to clear it of debris and other matter. Sometimes, a toothache can be caused or aggravated by a piece of debris lodged between the tooth and another tooth. Avoid placing an aspirin between your tooth and gum to relieve pain, because the dissolving ...

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  • Scaling and Root Planing

    Some cases of acute periodontal (gum) disease that do not respond to more conventional treatment and self-care such as flossing may require a special kind of cleaning called scaling and root planing. The procedure begins with administration of a local anesthetic to reduce any discomfort. Then, a small ...

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