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Meet The Dentists

Skill and compassion go hand in hand when providing exceptional patient care. As dental professionals, we stay up to date on the latest advancements in dentistry in order to provide the most current treatment options for our patients. As doctors, we recognize that our patients are unique individuals who have placed a great deal of trust in us and our team. That is just one reason why we value each and every patient relationship.

We appreciate the time you’ve taken to visit this site and find out more about this dental practice, our team, and the many services we can provide to help you achieve optimum oral health.


Jennifer Polito Koch, D.M.D.

Dr. Koch was born and raised in the southwest suburbs of Chicago. She attended University of Illinois at Urbana-Champaign for three years before earning early acceptance into Southern Illinois University School of Dental Medicine. She graduated with a Degree in Medical Dentistry in June of 1998.

Dr. Koch realized a lifelong dream of establishing a dental practice in the South Suburbs with the opening of Crossroads Dental Care. Dr. Koch is proud to have served patients in our community. Through continuing education and state-of-the-art equipment, she is able to offer you and your family the high level of care you’re looking for. She and her staff will give you a warm welcome and an ongoing commitment to your dental health.

Dr. Koch is a member of the American Dental Association, Illinois State Dental Society and Chicago Dental Society. She is a Preferred Provider for Invisalign and certified in the surgical placement and restoration of implants. In Dr. Koch’s down time, she enjoys spending time with her husband, two sons and golden retriever, Lola.


Donald Jonker, D.D.S.

Dr. Jonker takes pride in developing long-lasting relationships with his patients by creating a comfortable, trusting and welcoming environment.  He is passionate about working with all patients to achieve their oral health and smile goals by designing individualized treatment plans for each patient and treating patients to the highest standards of care.   He applies his love for dentistry with his passion for helping others to provide excellent dental care and create beautiful and healthy smiles.

Dr. Jonker graduated from Loyola University with a dual Bachelor of Science degree in Biology and Psychology.  He then continued his education to receive his Doctorate of Dental Surgery degree from the University of California, San Francisco.  During dental school, he received numerous awards and honors for excellence in patient-centered care and academics.  Upon completion of dental school, Dr. Jonker completed a post-graduate Advanced Education in General Dentistry residency where he focused on perfecting advanced skills and techniques utilizing state-of-the-art dental technology.

Dr. Jonker is a member of numerous local, national and international dental organizations including the American Dental Association, Illinois State Dental Society, and Chicago Dental Society. 


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