Dentists – Rockwall, TX
Get to Know Our Doctors
Dr. Mary Courtin

Dr. Courtin first opened the doors to her Rockwall dental practice in 2011, and over a decade later, she’s still going above and beyond to inspire smiles in her patients. She and her team can’t wait to welcome your family in and help everyone feel right at home. Her space is truly anxiety-free! Interested in learning more about her? Just keep reading below, or contact us today to set up an appointment.
She completed her dental doctorate at the University of the Pacific. Since then, she has pursued a great deal of continuing education, including the completion of a 9-month comprehensive, surgical implant residency program. She is also a trained CEREC doctor, a Fastbraces Master Provider, and a Certified Invisalign Provider for 15+ years. Today, she currently provides a course that helps dentists becomes certified in IV sedation.
Dr. Courtin and her husband Raymond have three beautiful children named Brody, Piper, and Brayden. Brayden loves Pokemon and Legos, Piper loves art and can read 40 books in a day, and Brody loves EVERYTHING sports-related, as long as it involves a ball and a team. As for her personal hobbies, running is a big one! She has completed the Boston Marathon three times so far. She’s also passionate about spending quality time with her kids and teaching them everything she knows.
Dr. Saad Hasan D.D.S.

Hello! I’m Dr. Saad Hasan and I am beyond excited to be a part of the amazing Courtin Dental team! It’s my goal to provide this community and my patients an extraordinary dental experience. I am particularly passionate about emergency dental care by preventing and alleviating your tooth pain.
As a New York University graduate from a top tier DDS program, I’ve been grateful to travel several countries to provide free dental care and dental education alongside local dentists. I’ve realized that Dentistry truly affords me the opportunity to build everlasting relationships and fulfill my passion of serving others through healthcare. Additionally, I’m passionate about consistently improving my skillset by learning with specialists and expert providers through advanced continuing education courses in root canals, Invisalign, wisdom teeth, surgery, sedation, sleep apnea, full mouth rehabilitation and airway dentistry!
Born in the Bay Area and raised in Texas, I am proud to call Dallas my home for the last 20 years. In my free time I enjoy playing golf, sand volleyball, basketball, pickleball, exploring new restaurants and coffee shops, and supporting the Dallas Sports Teams! I am an avid traveler and have been to over than 25 countries and counting!
I urge you to join me on my journey of helping you with all your dental needs. I look forward to meeting you soon!
Dr. Mark R. Polle D.D.S.

Dr. Polle was born and raised in Iowa, but migrated to Texas after finishing his professional school. He attended Wartburg College and graduated Cum Laude with a B.A. in Biology. Afterwards, he took time away from school to work as a dental laboratory technician and really gained an appreciation for the artistry of restorative dentistry. He completed his dental education at The University of Iowa College of Dentistry and Dental Clinics. He is a current member of the American Dental Association, Texas Dental Association, and the American Academy of General Dentistry. Being a dentist is a fulfillment of a lifelong dream for Dr. Polle. His parents say he decided on his tenth birthday that with all the sugar and soda consumed everyone will always need a dentist.
In his spare time, Dr. Polle spends time with his wife and their two golden retrievers. He’s also an avid golfer and water sport enthusiast. Dr. Polle looks forward to getting to know you and accomplishing your dental health goals together.