James J Kreuz DDS & 
Gregory J Duffner DDS, Ltd
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Contact Us:     708-798-6868        

kreuzduffner@yahoo.com
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When you visit our office, your smile is our top priority. Our entire team is dedicated to providing you with the personalized, gentle care that you deserve. 

Part of our commitment to serving our patients involves providing information that helps them to make more informed decisions about their oral health needs.

We are always happy to welcome new patients to our practice. 

We genuinely hope this site is helpful to you in learning more about our practice, dental conditions, treatments, dental recommendations, and more. Please browse through our website and be sure to give us a call if you have any questions or would like to schedule an appointment.



Dr Duffner is the Best!!
jodis, Homewood, IL 
I have been a patient for many years. Dr. Duffner always makes himself available in the event of an emergency. He is thorough, conservative in his approach, and very, very caring. He I have had extensive dental issues over the years and Dr. Duffner's work is always perfect!! His staff is just as wonderful.
- December 20, 2011
I'm glad to get the chance to write a review!
danelled, Homewood, IL 
I switched to this dentist about a year or so ago and I'm so glad I did. The office is always very accommodating and very nice to deal with. I never have a problem making an appointment, and upon arrival at my appt. I never have to wait long to be called back; I love that! The dental hygienists are so easy to get along with/talk to and very knowledgeable and professional. Going to the dentist can just be a hassel sometimes but I was so happy about my visit and very happy I made the switch. Check this place out!!!
- December 20, 2011


Courteous & Professional
alonzos, Park Forest, IL 
The staff was friendly and professional I felt very comfortable with the atmosphere and would highly reccomend this practice. They take pride in there work and made my experience very enjoyable.
- December 1, 2011
Read what our patients are saying about our office!

What what I do without Dr. Kreuz?
davidr, Hammond, IN 
I have been seeing Dr. Kreuz for close to 30 years as has my family. I can't imagine trying to find someone else so he better never retire! The staff is fantastic and I could never say enough nice things about Dr. Kreuz and his business. Thank you!
- November 24, 2011

Always caring!
mary loub, Orland Park, IL 
The dentists and staff here are always prompt and give the best service.
They make the whole experience as comfortable as possible.
- April 21, 2012
Dr James Kreuz and his wife are avid musicians and are members 
of several local bands.

They are members of The Joliet American Legion Band, The Frankfort Brass Band and The Dixie Bandits Dixieland Band.

They have several events that they play at each year. If you would like to attend one of Dr. Kreuz's 
performances check back regularly and we will try and have the performances dates and times listed here.
The Joliet American 
Legion Band
Performing in The Chicago Thanks Giving Day Parade
The Frankfort Brass Band
Performing in
 The CD & ME 9/11 Concert
If you would like to attend
 one of the events for
The Joliet American 
Legion Band
 use the link on the 
event calendar
 button below. 


*Office Announcements*
You can also help support the band by clicking on the American Legion emblem below.
The Blue Lake 
International Band
Performance in Germany
First experience more than satisfying
cliffe, Oak Forest, IL 
Had heard many recommendations to give Dr. Kreuz a try after having had the same dentist for over 40 years, and I certainly wasn't disappointed. Very friendly receptionist made me feel welcome and Dr. Kreuzes' gentleness was greatly appreciated. The recommendations were right on target--glad I made the switch,
June 18, 2012
Great staff and great service
jamesg, Homewood, IL 
The staff is friendly and caring. I have been a patient for about 5 years and they have always provided outstand service. The doctors are wounderful and provide honest advice with great dental care.
- February 8, 2012
Outstanding
judyb , Chicago Hgts
I am truly pleased with the dental care from Dr. Duffner. He is the best dentist and I would recommend him to everyone. Dr. Duffner really enjoys his work and it shows in the outstanding service he provides to his patients. Dr. Duffner is also very skilled, knowledgeable and experienced and that makes me feel confident that I will receive quality dental work. I would like to thank Dr. Duffner and Sylvia for a dental job so well done.
  March 31, 2012


I want you to tell you about an amazing adventure I'm planning next summer. On June 15th, I and four of my friends leave from San Francisco on our bicycles on a six week ride across the country. We put this all together to benefit a national organization called Mercy Housing. Our goal is to raise awareness for this organization and to assistin its nonprofit mission. We're calling it the Mercy Ride for Mercy Housing, 2013. We are the Mercy Riders.

As you know, I ride a lot. I've bicycle-commuted for 27 years, done many one-day century rides, several week long rides, and over thirty fundraising rides. Riding across the country has been on my bucket list since I rode from Florida to Chicago in 1985 with my sister, Barb. It's not easy to take six weeks away from family and career. Now is the time, and we're doing it for a great cause.

Everyone seems to know about Habitat for Humanity and its mission to build affordable housing. Mercy is like that, but they concentrate on helping people in metropolitan areas. These people are the chronically homeless, the unemployed, and those with low income. Mercy helps the most desperate by putting a roof over their heads and helping them start over. They also help families struggling to make mortgage payments, keeping them off the streets. My good friend, Bill Goldsmith, works for Mercy, and he has been educating us all about their mission.

We will be riding through Denver, Chicago and Washington, D.C. Mercy has offices and sites in these cities. I'd like to ask for your prayers and your support for our ride. 

Best regards,

Greg Duffner

Introducing the Mercy Ride for Mercy Housing
Make An Appointment For A ​
Free Second Opinion!


Dr. Kreuz or  Dr. Duffner would be happy to see you for a free second opinion.

Just call our office at 708-798-6868 and our friendly Front Desk Staff will be happy to set up an appointment at a time that is convenient for you.

It would be helpful if you could bring your current X-rays with you at the time of your appointment.