doctorRene Tanquilut, DDS
Dr. Tanquilut was born in Chicago and raised in the southwest suburb of Orland Park. He earned both his bachelor’s degree and his Doctor of Dental Surgery at the University of Illinois. As a graduate student, he completed an externship in oral surgery.

After dental school, Dr. Tanquilut completed a General Practice Residency Program (GPR) at Cook County Hospital in Chicago. He rotated through various different departments during his residency, including internal medicine, anesthesiology, and oral and maxillofacial surgery.

Over the last 20 years, Dr. Tanquilut has taken almost three times the annual continuing education hours required by the state. As a result of his training, continuing education and years of experience, he has been awarded fellowship status in the Academy of General Dentistry and International Congress of Oral Implantologists.

DoctorCaroline Witik, DMD
Dr. Caroline Witik graduated from St. Mary’s College in 2016 with her Bachelor of Science in biology and from Southern Illinois University School of Dental Medicine in 2021 with her Doctor of Dental Medicine degree. She is a member of the American Association of Women Dentists and the Xi Psi Phi Dental Fraternity. Dr. Witik has volunteered with the Veteren’s Day Clinic, Alton Outreach, Give Kids A Smile and National Children’s Health Month to give adults and children in need dental care and dental screenings. Outside of work, Dr. Witik enjoys playing the piano, and she has been performing and taking lessons since she was a child.



Meet Our Team
At Western Springs Dentistry, our team is thrilled to have the chance to meet with you! We value building strong, compassionate relationships with each of our patients and we are happy to assist you with any of your oral health needs. If you would like to meet with our dentists in Western Springs, Illinois, we invite you to contact our office at 708-246-3635 today and ask for Dr. Rene Tanquilut or Dr. Simona Cheskis!



Patient/Finance Coordinator
Hi I’m Janette, I was born and raised on the northwest side of Chicago and
currently live in Lombard.  I have been working in the dental field for 20
years. My goal is to make all of our patients feel welcome and to ensure you
have a pleasant and calming experience with us. In my spare time I love to
cook, go to music concerts and spend time with my husband, family and
friends. Looking forward to meeting with you!


tannerTanner B. RDH, Dental Hygienist

Hi I’m Tanner. I grew up in a small town near Macomb, IL. I received my degree in Dental Hygiene from Carl Sandburg College. I strive to ensure our patient’s feel comfortable and informed during their visit. Outside of the office, I enjoy spending time with my wife and our two black kittens and in my free time I also enjoy hiking.


Suzanne M., Dental Assistant
Suzanne was born and raised in Illinois. She currently lives in Oak Forest. She has been in the dental field for about 25 years now. Her goal as a dental assistant is to make her patients feel comfortable and relaxed, with the main endeavor to have patients leaving more happy than when they first stepped into the office, even if it takes making a joke or two.

In her spare time, she likes spending time with her pack of dogs, lifting weights, working out and reading.