Our Practice


Making brighter smiles in Mckinney, TX since 2010

Welcome to Family Dental of McKinney! We aim to educate our patients in a safe environment while offering them necessary comprehensive care. We understand that many people have anxiety about dental treatment, so we created a soothing environment and a scheduling system that never keeps you waiting long. By combining the latest technology with advance techniques, we give our patients the best care possible.

Dr. Irene D.D.S.

Dr. Irene Thammasithiboon is a general dentist in McKinney, Texas serving patients of all ages and dental backgrounds. She is enthusiastic about family dentistry, treating each person with attention and excellence that is raising the standard of oral health care in McKinney. “Dr. Irene” believes that anything worth doing is worth doing well. Her work is more than a job – it is her passion.

After graduating as the class valedictorian from Fort Stockton High School, she then attended SMU where she graduated with honors, and got her degree in biology.  She went on to earn her Doctor of Dental Surgery degree from the prestigious Texas A&M Health Science Center Baylor College of Dentistry. She is now the head of Family Dental of McKinney. Dr. Irene practices preventive and general dentistry for all ages.

Dr. Irene values education and maintaining connections with leaders who are pioneering new advancements in modern dentistry. She is affiliated with several professional organizations, including the American Academy of General Dentistry, the American Dental Association, and the Texas Dental Association. As a part of her commitment to ongoing education, Dr. Irene constantly attends dental seminars, classes, and training courses to stay at the forefront of her field.

When she is not with patients, Dr. Irene can be found golfing, playing tennis, or spending time at the local parks with her dog Mika.