Welcome to Our Practice

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.

Our Philosophy

• 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


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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 Dentistry 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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  • "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.