At Petty & Bielik Orthodontics, our mission is to provide extraordinary orthodontic care and the beautiful smile you deserve. We will guide you through this smile journey, alleviate any worries you may have, and deliver the lifelong benefits of orthodontic treatment. We know a great smile can boost your confidence and give your personal and professional life a lift, so we take care to craft individualized orthodontic plans that meet your unique needs and desires. Together we will create your amazing smile!

Our office uses the latest state-of-the-art technology to ensure that your personalized orthodontic plan fits your smile goals and lifestyle. The iTero Element scanner and cone-bean computed tomography (CBCT) provide patients with optimal comfort and safety while delivering the precise imaging that our specialists require. And, with the Invisalign Outcome Simulator, we can even reveal your new smile before you begin treatment.

We aim to fulfill a mission that extends beyond smile aesthetics. Were here to connect. Our practice is proud to form lasting, warm, and professional relationships with those who we serve and the greater community. Come tell us about how your last game went, the next play being performed at your school, or what you did over the weekend. It is a great privilege to be involved year-round in our community, and we consider ourselves fortunate to be a part of our patients and their loved ones lives.

Were thrilled that youve taken the first step toward your best smile. Were excited to get to know you, share our expert knowledge and technology, and help you achieve all your orthodontic goals. Welcome to Petty & Bielik Orthodontics!

Dr. William Petty considers it his personal obligation to provide only the highest quality orthodontic care to his patients. Dr. Petty feels privileged to work with you and your family and help you achieve the beautiful, healthy smile (or smiles) youve always wanted.

Dedicated to the southwest Chicago and suburban areas, Dr. Petty has practiced orthodontics since 1974. A graduate of the University of Illinois at Urbana-Champaign, he received his Doctor of Dental Surgery (DDS) Degree, Master of Science, and Specialty Certificate in Orthodontics from Loyola University in Chicago. He is one of few Illinois orthodontists to have completed a two-year program with the Foundation for Advanced Continuing Education in Orthodontic Diagnosis and Treatment Mechanics. He is also a Diplomate of the American Board of Orthodontics.

His involvement in professional organizations enables him to stay on the cutting edge of orthodontic advances and technology with opportunities for continuing education. Dr. Petty is a proud member of the following professional organizations:

I love to see my patients smile. Nowadays, patients really desire treatment and cant wait to straighten their teeth! I enjoy working with my hands and seeing how the details transform their smiles. Its so gratifying to build long-term relationships with children and adults in the neighborhood. Everyone is so connected in this community! Over the years we have built the best team of caring individuals dedicated to investing in your lives and smiles. Dr. Kathryn Bielik

Dr. Bielik is a native of Chicagos southwest suburbs. She has a long history with this practice, having worked with Dr. Petty as his dental assistant when she was in high school. Working for Dr. Petty was an experience that inspired her to pursue a career in orthodontics.

Dr. Bielik and her husband, Neal Weisenburger, enjoy exploring the city of Chicagos eclectic dining scene. Dr. Bieliks hobbies include bicycling on the lakefront, downhill skiing, and gourmet cooking. She is an active member of her church, and has been a volunteer for several mission trips to Cuba, Mexico, and Haiti. Dr. Bielik has an Airedale Terrier named Razzythe fifth Airedale Terrier for her husband, Neal. When not at the office, she enjoys spending time with her family and vacationing. She has had many domestic and foreign travel adventures, including visiting the countries of her heritage: Poland and the Czech Republic.

Dr. Amy Seagraves was born and raised in Ohio, and found her passion for orthodontics while undergoing her own treatment as a teenager. She loves to watch teeth move and smiles develop. Most exciting for Dr. Seagraves is watching her patients grow with the personality of a new smile. She cant wait to start creating yours!

Dr. Seagraves is a graduate of Miami University, Ohio and earned her DDS from the University of Maryland School of Dentistry. She continued on to specialize in orthodontics, receiving her Specialty Certificate and a Master of Science in Oral Sciences from the University of Illinois at Chicago.

Dr. Seagraves stays current with the latest orthodontic technologies by attending national and regional meetings and participating in continuing education. She is an active member of the following professional organizations:

Outside the office, Dr. Seagraves has a big family and loves visiting her nieces and nephews. In her free time, Dr. Seagraves enjoys being outdoors, hiking in state parks, and exploring the lakefront. Her other hobbies include yoga, reading, and podcasts.