Welcome to Our Practice


Welcome to Sementa Dental in Lombard!   From the minute you walk in our door, you will notice a difference.  We value our patient relationships and make it a priority to deliver gentle compassionate care by working hard to make you feel at ease in a relaxed environment.  Not only are you a patient here, you are part of our family.  Our aim is to develop lifelong relationships by combining the latest techniques and technology with a professional and compassionate staff.  The result is a beautiful healthy smile that lasts a lifetime! We are focused on educating our patients and providing the best dental care in Lombard.  Our website offers information about our services, information about Dr. Sementa and staff, as well as our drill free air abrasion technology!
We are a full service practice providing for all of your dental needs:

General Family and Cosmetic Dentistry
Restorative Dentistry
-Preventative Care
-Crowns, Bridges, Onlays, Veneers
-Teeth Whitening
Dentures and Partials
-Implant Restorations 

For a full list of services we offer, please click here

We are available to answer any questions you may have about our practice, please don’t hesitate to contact us.  We look forward to caring for you and your entire family!


Contact Us

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Meet Our Staff

  • Dr. Anthony Sementa

    Dr. Anthony M. Sementa grew up in Lombard and has been practicing here since receiving his degree   from Creighton University School of Dentistry in 1987.  He is a member of the American Academy of Cosmetic Dentistry, Chicago Dental Society as well as the Illinois State Dental Society and American Dental Association.  He enjoys playing an active role the community by being a committee member for Tri-Town YMCA and the Lombard Chamber of Commerce.

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  • Ofelia Ruiz - Dental Assistant

    Ofelia grew up here in Lombard and started working for Dr. Sementa while she was a junior at Glenbard East.  After graduating high school, she received her dental assisting certification from Morton College in 1993.  In 2013, Ofelia attended Illinois College of Nursing in Lombard and received her LPN Degree.  She works weekends as a nurse in a memory care and assisted living community. She has 3 children and many pets.  In her spare time, she likes to watch scary movies and crime dramas.

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  • Christie Roos - Dental Assistant

    Christie grew up in Villa Park and has been working for Dr. Sementa since 1997.  She graduated from Elmhurst college with a bachelor’s degree in Speech Pathology in 1999.  After working with Doctor Sementa while attending college, she realized her passion was in dentistry.  In her free time, she likes to work out, decorate cakes , and travel with her husband and two sons.

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  • Katie Lynn Cherry

    Katie grew up in Elwood, Illinois and recently joined the Sementa Dental family in 2023. She graduated from the dental hygiene program at Prairie State College in 2012. She takes pride in building trust and strong relationships with her patients to provide superior dental care. In 2021, Katie earned her registered Yoga teacher training certificate. In her spare time, she loves teaching yoga, traveling with her family, and being a cat mom.

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What Our Clients Say About Us

    Very flexible with my student schedule! Great friendly staff! Dr. Tony is the best of the best!!

    - Isabel H.

    I have been a patient of Dr. Sementa for over 20 years. Very professional and always a pleasure to deal with him and his wonderful staff. Highly recommend!!!!!!

    - Sandy

    Dr. Sementa is the only dentist I've ever been to where I'm not dreading the visit. I've had plenty of work done in my lifetime and I feel he takes measures to assure I'm in as little discomfort as possible. He's friendly, professional and has a great staff! Definitely recommended

    - Susi K

Featured Articles

Read about helpful topics

  • 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, subject to ...

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  • Crowns and Bridges

    Bridges Bridges are natural-looking dental appliances that can replace a section of missing teeth. Because they are custom-made, bridges are barely noticeable and can restore the natural contour of teeth as well as the proper bite relationship between upper and lower teeth.Bridges are sometimes referred ...

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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 that are chipped, ...

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  • 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 your ...

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  • April 2022 Dental Newsletter

    The Importance of Preventive Care: Maintaining Good Oral Health Preventative dental care is a significant part of overall dental health, but it's often an afterthought. Our dedicated dentist sees many patients who don’t keep up with consistent preventative oral care and then must fix the problems ...

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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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  • 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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Location & Hours

Our Location

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Hours of Operation

Our Regular Schedule

Primary Location




7:30 am - 2:00 pm by Appointment


7:30 am-6:00 pm


7:30 am-2:00 pm


7:30 am-5:00 pm


7:30 am - 2:00 pm Once Per Month