Keeping Warrenville Smiling Since 1979


Dentist in Warrenville

The Potempa Dentistry Team
“My team is friendly, experienced and professional. You will feel welcome and special when you are with us. It is very rewarding to me when patients look in the mirror and are genuinely pleased with their smile. I take personal responsibility for my patients’ dental health. I know that my patients are well taken care of and that I am helping them achieve a lifetime of better dental health and harmony. Perfection is our goal, excellence is tolerated." - Dr. Greg


Gregory Potempa
Doctor of Dental Surgery
Dr. Potempa is a Doctor of Dental Surgery and a founding member of the Quad Cities Association for the study of Orthodontics. He is a graduate of the University of Illinois, Champaign, Urbana and Loyola University School of Dentistry.Dr. Greg spent three years as a Dentist in the United States Air Force and was stationed at Spangdahlem AFB, West Germany. While at "Spang," he was the base Endodontist and Preventative Dental Officer. Dr. Greg started his practice in Warrenville in January, 1979. Dr. Greg has lived in Wheaton, Warrenville and Naperville since 1977. He has 2 daughters, Courtney, who is a Physician Assistant and Ashley, who is a 3rd grade teacher in the Elmhurst School District.

He and his Life-partner Jane enjoy fine dining, dancing and traveling, especially cross-country trips on their Harley Davidson Road Glide. Lastly, Jane and Greg spend a lot of time spoiling their 3 granddaughters!

Additional Affiliations

  • Charter member of the American Association of Functional Orthodontics
  • American Academy of Cosmetic Dentistry
  • Dawson Center for Advanced Dental Studies
  • Las Vegas Institute of Advanced Dental Studies (LVI).


Dr. Greg received his Fellowship in the Academy of General Dentistry in 1993, and is just a few hours away from being eligible for his Mastership in this organization.

Professional Memberships and Licenses

  • Illinois Dental License


Marian Cosgrove
Registered Dental Hygienist
Marian graduated from Loyola University with a Bachelor of Science degree and has been a practicing dental hygienist with Dr. Potempa since 1980. Our patients love her gentle but thorough touch. Marian loves working with all of our patients and seeing their excitement when they have completed their treatment — including everything from whitening to replacing their old metal fillings.Marian and her husband Tim live in Warrenville, where Tim grew up. They have 2 grown daughters, Molly and Kelly.


Sarah First
Registered Dental Hygienist
Sarah graduated from Ohio State University with a Bachelor of Science degree and has been a dental hygienist with Dr. Potempa since 1999. Our patients appreciate her thorough but gentle cleanings and friendly personality. Sarah loves the opportunity to get to know patients, and most importantly make a difference in their oral health.


Cindy Odle
Dental Assistant
Cindy graduated from Elgin Community College’s Dental Assisting program in 1999. She worked in oral surgery for 12 years and came to work for Dr. Potempa in 2012. Our patients like her friendly personality and her ability to make them comfortable. She enjoys getting to know all the patients and catching up each time they come in.Cindy and her husband live in South Elgin and has two sons.


Carol Provancal
Office Administrator
Carol started working in our office in November of 2018. She comes to us with over 30 years of experience in the dental field. Carol is in charge of scheduling and insurance processing. She is looking forward to getting to know our family of patients. Carol and her husband live in Sandwich, close to 3 of their grandchildren. Between Carol and her husband, they have 5 grown daughters and 10 grandchildren. They enjoy being able to be involved in the grandkids lives and attend their school and sporting events.

Visit Our Warrenville Dental Office

Cosmetic Dentist in Warrenville

Our Convenient Office Hours

Monday: 11am - 8pm
Tuesday: Reserved for reconstruction cases
Wednesday: 9am-6pm
Thursday: Closed
Friday: 8:00am - 2:00pm

We are located at:

2 South 676 Route 59
Warrenville, IL 60555

We proudly serve our surrounding communities:
  • Warrenville
  • Winfield
  • Batavia
  • West Chicago
  • Wheaton
  • Eola
  • Naperville
  • Aurora
  • North Aurora
  • Lisle
  • Glen Ellyn
  • Downers Grove

Read Our Warrenville Dental News

Warrenville Dental Implants

Warrenville IL Dentist | What to Expect at Your Child's Dental Appointment

Warrenville IL Dentist | What to Expect at Your Child’s Dental Appointment

January 9, 2020

The American Dental Association recommends all patients to schedule routine six-month check-up exams. This is particularly important for growing children. At your visit, we will screen your child’s mouth for tooth decay and gum disease. Regular professional dental cleanings are essential for a healthy mouth. During your child’s dental cleaning, […]

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If you would like to improve your smile with a simple procedure, teeth whitening may be a great option for you, especially if you have stained, dull or discolored teeth. Our dental office is providing teeth whitening services to new and existing patients.

Warrenville IL Dentist | Look 10 Years Younger

December 4, 2019

Your smile is one of the first things a person will notice when you meet.  If you would like to improve your smile with a simple procedure, teeth whitening may be a great option for you, especially if you have stained, dull or discolored teeth. Our dental office is providing […]

Read More