Randallwood Dental
2210 Dean St., Ste. E
St. Charles, IL 60175
Randallwood Dental St Charles IL Office Phone Number (630) 280-3774
Phone:(630) 377-0034
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Rene Tanquilut, DDS, FAGD, FICOI

Fellow, Academy of General Dentistry
Fellow, International Congress of Oral Implantologists

Dr. Rene Tanquilut at Randallwood Dental in St Charles ILDr. Tanquilut was born in Chicago and raised in the southwest suburb of Orland Park. He earned both his bachelor’s degree and his Doctorate 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.

Dr. Tanquilut’s professional memberships include:

  • The American Dental Association
  • The Academy of General Dentistry (Fellow)
  • The International Congress of Oral Implantologists (Fellow)
  • The American Dental Society of Anesthesiology
Dr. Tanquilut’s daughters

Contact us today to schedule a convenient appointment!

A Letter from the Dr. Tanquilut

Thank you for taking the time to visit my practice website. I hope that after visiting my site, you have a better understanding of my approach to dentistry. My ultimate goal is to make you happy, giving you the best treatment options available and the results that you desire by using the latest in dental techniques and technology. I believe this goal fundamentally starts with a strong doctor-patient relationship. I aim to treat every person, whether patient or staff, like family, which impacts the effort and energy I invest into each dental procedure. I understand that each person who walks into my office has individual needs and expectations. My office staff and I strive to take the time to build trust and confidence by listening to each patient’s needs and educating them on all the optimum dental care options.

Since trust has to be earned, I believe in spending a significant amount of time consulting with each patient. I feel that consultations are a forum for both the patient and dentist to gather and communicate information to each other. My staff and I aim to spend the majority of each consultation listening to and understanding your needs as a patient.

I want to ensure that you have all available information at your disposal to make a well-informed decision that is in your best interest. In addition to patient pictures and educational videos and materials, we would be happy to connect you with patients who have been through our care. The bottom line is that I want each patient that enters my office to feel more comfortable and well informed when they leave than when they walked in.

I feel that every member of my staff reflects my own values and standards for patient care. They are committed to serving your dental needs as a patient and supporting you through your dental care. We know past dental experiences can vary between patients, so to alleviate your anxiety we offer conscious sedation (nitrous oxide, oral sedatives, or IV sedation) to make your dental visits comfortable.

I know that any decision you are considering will not be made lightly, and I look forward to any opportunity to serve your needs relating to your oral health.

Thanks again for visiting my site. Please do not hesitate to email or call me to ask any further questions. We hope to see you soon to discuss your oral health goals.

Very Truly Yours,


Rene Tanquilut, DDS, FAGD, FICOI

Dr. Tanquilut looks forward to meeting you.

Frank Letizia, DDS

Cosmetic Dentist St Charles ILDr. Letizia received his PhD in Biochemistry and Biophysics from Stritch School of Medicine at Loyola University in Chicago in 1977. He then completed school of dentistry at Loyola University in 1980. Dr. Letizia has completed extensive post graduate courses with concentration in Orthodontics, Endodontics and TMJ.

Dr. Letizia has been in private practice for over 33 years and versed in all phases of Dentistry. He specializes in restorative treatment, fixed and removable prosthetics, and non-surgical periodontics. Dr. Letizia’s desire is for his patients to feel at ease and receive best dental treatment experience.

Dr. Letizia grew up in Oak Park, IL and currently lives in Western Suburbs of Chicago with his wife. In his spare time he enjoys gardening, hiking and spending time with the family. He is also a private pilot.

Dr. Letizia looks forward to meeting you.

Message from Dr. Letizia

I realize the dentist-patient relationship is based on trust, and I am very intentional in building that trust with all our clients. I will work with you to secure the best treatment you desire as I strive to honor your agenda for your dental health.

I offer a unique blend of experience and expertise, along with advanced techniques. I aim for excellence without compromise and this translates into high quality and good value. There is no substitute for experience; over time, it is what separates adequate from outstanding.

Your priority for your dental health is my priority. I help educate you so you can make informed decisions on what is best for yourself, allowing you to decide your treatment path based on a thorough understanding of the alternatives, which in some cases, may lead to no treatment at all. I look forward to meeting you!


Frank Letizia, DDS

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St Charles Office Hours

  • 7am–7pmMonday
  • 7am–7pmTuesday
  • 7am–1pmWednesday
  • 7am–7pmThursday
  • 8am–1pmSaturday
Randallwood Dental Center is a BBB Accredited Dentist in St Charles, IL
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