Welcome to Our Practice


We're pleased to announce that we have opened our office for elective dental care on Monday, June 1st. All of us wanted to extend a warm welcome to you upon your return when you are ready. While many things have changed, one thing remains the same: our commitment to your safety.

Infection control has always been a top priority for our practice and during this time over the last 3 months, we've reorganized the office, updated our treatment rooms and updated all of our infection control processes. This will ensure that when you receive care it's both safe and comfortable. We've spent many hours working on continuing education from home as well. We've had virtual team meetings and have shared ideas on how to serve you better.

One thing we know for sure is although this time was unexpected and surely inconvenient for us all, we truly appreciate being able to serve you, your family and friends. Thank you for being our patient and we truly look forward to welcoming you back.


  • * Treatment rooms and equipment will be cleaned before and after every patient according to CDC guidelines. We’ve added time between appointments to allow for sanitizing and to keep patients apart from one another to avoid high volume or density.

  • * Our office will communicate with you before your appointment to ask you some screening questions. You'll be asked those same screening questions again when you're in the office.

  • * Appointments will be arranged to allow for social distancing between patients. For a little while it may take us a bit longer for each appointment and we hope you'll understand.

  • * When you arrive for your appointment, we will ask you to remain in your car and call us before coming up to the office. That way, we can limit any time spent in our waiting room. We ask that you wear a mask before you enter the building and when you arrive at the office. After a brief temperature screening, we will escort you directly to your room for care, where you will remove your mask and have a pre-procedure mouth rinse.

  • * We ask that all patients use the hand sanitizer provided at the front door upon entering. It will also be available in other areas of the office.

  • * Lastly you may notice we will look a little different too. We have added additional protective wear, visors and a new type of respirator mask. You'll see our eyes and we assure you the eyes are the window to the soul and our care for you will be no different. Because we need to wear more layers of protective wear we may need to turn the temperature in the office down, so bring yourself a sweater!

As always, our main concern is the safety and well-being of our patients and staff. If you have any questions or concerns, contact us at any time. We look forward to seeing you soon!

At Holohan Dental Professionals, we are committed to helping you achieve and maintain excellent oral health. We believe that a dentist and patient become a team for treating an individual's dental needs. Our doctors take the time to listen and understand your concerns and respond with the best treatment options for you.


• WE VALUE our patients' well-being above all else. Our goal is to provide superior dentistry in a kind and courteous manner.
• WE ENCOURAGE regular preventive care, both in the office and at home, so that each patient can enjoy a lifetime of good oral health and minimize the associated risks to their general health.
• WE STRIVE to develop personal relationships with our patients in order to better understand their needs and concerns.
• WE BELIEVE that trust is earned by treating each patient with respect, honesty, and integrity.

Our website provides important information that will help you become familiar with our practice. We appreciate this opportunity to introduce ourselves and look forward to providing you with an exceptional patient experience.

William C. Holohan, DDS
Colleen M. Holohan, DDS
Kimberly A. Busch, DDS


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  • William C. Holohan

    Dr. Bill Holohan is a second generation dentist and lifelong area resident. He received his undergraduate degree from Xavier University and his Doctorate of Dental Surgery from Loyola University. In pursuit of excellence in his field, he has completed more than 800 hours of postgraduate training in restorative, cosmetic, and implant dentistry. His philosophy of practice is relationship based and health centered.

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  • Colleen M. Holohan

    Dr. Colleen M. Holohan has been in private practice since graduating from Loyola University School of Denistry in 1989. She has had experience in the dental field since her early teens when she worked as a dental assistant for her father, Dr. William J. Holohan. She graduated from Marquette University in 1984 with a Bachelor of Science in Dental Hygiene and began working as a dental hygienist.

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  • Kimberly A. Busch

    Dr. Kimberly A. Busch is a lifelong Illinois resident who graduated from the University of Illinois College of Dentistry and began practicing dentistry in 1991. She completed her undergraduate degree form the University of Illinois in 1987, where she earned a Bachelor of Science Degree. Upon graduation from dental school Dr. Busch proudly served in United States Navy Dental Corps.

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Call to schedule an appointment today.


  • "Love Dr. Colleen and her staff. It is always a pleasant experience for me and my daughter. So happy that someone recommened the practice."
  • "I have never had a better experience at a dentists office. Dr. Bill explained what he was doing, what the issues were and the plan for addressing. Couldn't have been better, a real pro."
    -RICK K.
  • "I am assured when I visit Holohan Dental of getting the best professional care possible. I have complete faith in Dr. Colleen and my hygienist Suzie, and know they will do an excellent job in keeping my teeth healthy. I am a long time patient and would not dream of going anywhere else."
    -JEANNE W.
  • "A very friendly and warm welcome to the practice, such wonderful and caring staff, a true asset to the community!"
    -JEREMY R.