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Meet Our Doctors

Welcome to Family Dental Care! Dr. Steve Biagini, Dr. Theresa Jansky, and Dr. Mark Beck have combined their 47 plus years of experience with a commitment to outstanding patient care to create a dental group where patients are treated to 1st class service. We provide a wide range of services including Veneers, Crowns, Invisalign orthodontics, dental implants, cleanings and so much more. We stay current on the latest dental technology, procedures, and comfort care. We have the experience to treat all ages and our caring support and individualized treatments will make your dental experience comfortable and anxiety-free. We will partner with you to achieve both a HEALTHY AND BEAUTIFUL SMILE.

Dr. Theresa M. Jansky

Theresa M. Jansky


Dr. Theresa Jansky attended Bradley University in Peoria, IL majoring in biology. She is a 1988 graduate of The University of Illinois College of Dentistry. Dr. Jansky has been a partner with Family Dental Care since 1996. Dr. Jansky strongly believes that building a trusting relationship with her patients is the first step to attaining excellent dental health. Dr. Jansky is married with 4 children and resides in Wheaton, IL for the last 16 years. She enjoys traveling and her interests include reading and gardening.

Dr. Steven F. Biagini

Steven F. Biagini


Dr. Steve Biagini attended the University of Illinois in Champaign, IL majoring in biology. He is a 1984 graduate of the University of Illinois College of Dentistry and a Fellow in the Academy of General Dentistry. Dr. Biagini started Family Dental Care in 1986. He works closely with patients partnering with them and helping decide the best course of treatment. Dr. Biagini is married with 3 children and resides in Glen Ellyn, IL for the past 14 years. He is an avid racquet ball player and gives seminars on various dental topics.

Mark D. Beck

Mark D. Beck


Dr. Mark Beck attended Gustavus Adolphus College in St. Peter, Minnesota majoring in biology and graduating Cum Laude. He is a 1993 graduate of the University of Iowa College of Dentistry. Dr. Beck has been a partner of Family Dental Care since 2002. Dr. Beck’s easy going style is often very comforting to patients as they are being treated. Dr. Beck is married with 3 children and resides in Geneva, IL for the last 12 years. He is an avid snow skier and enjoys water sports.

Dr. Steven Smunt

Steven Smunt

Dr. Steven Smunt attended the University of Illinois in Champaign, IL majoring in microbiology. He is a 1980 graduate of the University Of Illinois College Of Dentistry and also advanced his orthodontics knowledge through post-grad training sponsored by the American Academy of Gnathological Orthopedics from 1989-1990 and further in 1992 again with training sponsored by the American Orthodontic Society. Dr. Steven Smunt looks forward to helping his patients enriching their lives through dentistry, and giving back to the St. Charles community that he and his wife Mary Ann have lived in since 1981. Two of Dr. Smunt’s passions are historic preservation and antique collecting and he is the current chairman of the St. Charles Historic Preservation Commission.

Dr. Bruce Abdullah

Bruce Abdullah

D.D.S MS (Periodontist)

Dr. Bruce Abdullah attended Loyola University Dental School and received his Certificate in Periodontics and Masters degree in science from Tufts University school of Dental Medicine in Atlanta in 1989. Dr. Abdullah’s clinical expertise in the area of implant surgery and periodontal microsurgery allows his patients to benefit from the current most advanced surgical care available. Dr. Abdullah is married with 2 children and resides in Hinsdale, IL for the last 14 years. He loves Chicago sports teams and his interests include golf and technology.

mr barraza

Omar Barraza


“Every patient deserves a doctor who listens well. I love working together with my patients to develop a quality treatment plan that respects their preferences while tapping into my expertise to help them achieve their goals.” - Dr. Barraza

Dr. Barraza is compassionate oral health provider who loves to serve people. He also has an engineering degree and feels blessed to be in a profession where both service and attention to detail are paramount. Delivering high-quality dental work to every patient brings Dr. Barraza great satisfaction. He strives to provide work that not only looks and feels good but also functions well and is made with a high degree of precision.

Dr. Barraza graduated Magna Cum Laude from the University of Texas at El Paso and did additional Post-Baccalaureate studies at Benedictine University in Lisle, IL. He then completed his dental education at the University of Illinois in Chicago – College of Dentistry, where he received formal recognition for exceptional knowledge, understanding, and compassion in his relationships with patients.

He maintains his membership with the American Dental Association, Illinois State Dental Society, Chicago Dental Society, Christian Medical and Dental Association, and Hispanic Dental Association.

Dr. Barraza resides in Naperville and outside of work he enjoys soccer, biking, and playing a variety of musical instruments for fun – although piano is his first love. He also enjoys volunteering at church and other faith-based organizations and is a lover of all things spicy.

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