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About Us

Welcome to Little Big Smiles! We strive to be a dental office where you will feel welcomed and at ease. We know dentistry can be scary, so we do our best to provide comfortable treatments with easy-to-understand explanations.

We first opened our doors in 2014 and has since been serving Frisco and surrounding neighborhoods with great care.  Our providers are not only well-trained but also take patient comfort and education very seriously.  In cases where we need specialty care, we can also bring in specialists like Periodontists for dental implants or gum surgery.  For sedation and wisdom teeth removal, we have a special team of doctor and staff that are experts in their field.

Meet Our Team

Providers

Andrew Chen, DMD

General Dentist

Dr. Chen graduated from University of Pennsylvania School of Dentistry with a Doctor of Dental Medicine degree.  After graduation he went onto the Dallas Veterans Affairs Hospital for General Practice Residency.  He is a member of the American Dental Association and Academy of General Dentistry.

Dr. Chen have always upheld a vision of how he wants to help people maintain a healthy and happy smile. This is the driving force behind opening an office like Little Big Smiles. He wants to provide a place where everyone can receive quality and comfortable care.

Mina Back, DDS

General Dentist

Dr. Back was born and raised in Queens, NY before moving to Dallas with family when she was 10 years old. She graduated from Baylor University with a Bachelor of Science degree in Biology and her Doctorate of Dental Surgery from UT Health San Antonio. Dr. Back is also trained in oral conscious sedation to help patients with anxiety. Dr. Back regularly volunteers her time at Mission Arlington to provide free dental work for underserved people. When she is not seeing patients, Dr. Back likes to travel, hike, and spend time with her husband and rescue dog and cat.

Sobia Sarmast-Ali, DDS

General Dentist

Dr. Ali enjoys providing compassionate and quality dentistry to her local community. She graduated cum laude with a B.S. in History from Yale University and the University of Illinois at Chicago, College of Dentistry for dental school. She has been practicing for over ten years and loves to stay up-to-date with the newest dental materials and technologies. Her treatment philosophy is to treat each patient as a family member, and has a heavy emphasis on prevention. She frequently takes continuing education courses in order to keep her skills current. 

In her spare time, you can find Dr. Ali at her local pilates studio, gardening, and spending time with her husband and two active boys. 

Dr. Dana Yu profile picture

Dana Yu, DMD

General Dentist

Dr. Yu graduated with a Bachelor of Science degree in Biology from the University of Michigan. She then earned her Doctorate of Dental Medicine from The University of Illinois at Chicago College of Dentistry.
As a practicing dentist, Dr. Yu attends frequent continuing education dental courses to further advance her clinical skills. She is an active member of Dallas Asian Dental Association, American Academy of General Dentistry, and American Dental Association. Dr. Yu’s treatment philosophy is providing dental care in a pleasant and caring manner. She will work with you to give you the healthy and attractive smile that you deserve.
In her spare time, Dr. Yu likes to stay active, explore new restaurants, and spend time with her husband and son.

Hanh

Dental Hygienist

Hanh graduated with a Bachelor of Science in Dental Hygiene from Texas A&M Baylor College of Dentistry. She is a passionate, highly organized, and self-motivated Registered Dental Hygienist with wide variety of experience in areas of general, periodontic, pediatric, orthodontic, geriatric, and special needs dentistry.  She loves interacting with her patients and teaching them about the importance of their oral health. She is a member of the American Dental Hygienists’ Association, and The National Dental Practice-Based Research Network. In her free time, she enjoys cooking, exercising, and practicing yoga.

Team Members

Julia

Office Manager

Tammy

Patient Coordinator

Lu

Patient Coordinator

Sweta

Dental Assistant

Berry

Dental Assistant

Jasmine

Dental Assistant

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