Our Practice

About Us

Our staff here at Preston Family Dentistry are dedicated to making sure that you receive quality dental care. We love our patients and want to provide you with the best dental treatments possible. Give us a call today or stop by our office in Dallas, Texas to meet us and schedule an appointment with our dentists!

Meet the Doctors



Dr. Bahar Iranmehr
Dr. Bahar Iranmehr grew up in Plano, TX and completed her undergraduate degree in Human Biology with honors at the University of Texas at Austin. She attended Texas A&M Baylor College of Dentistry where she earned a Doctor of Dental Surgery (DDS) degree. She knew she wanted to follow in her mother’s footsteps to be a dentist so that she could help people find their smile again.

Dr. Bahar is passionate about patient education and preventive dentistry and takes time to listen to her patients needs in order to achieve their goals. She is dedicated to patient care and wants every patient to feel comfortable and at ease while working towards a functional and attractive smile.

In her spare time, Dr. Bahar enjoys traveling and spending time with friends, family, and her two dogs, Charlie and Bailey.


Dr. Mehrnaz Iranmehr
Dr. Mehrnaz Iranmehr completed her undergraduate degree in Biology at the University of Texas in Dallas in 1999, and continued on to Baylor College of Dentistry, where she earned her Doctor of Dental Surgery degree in 2003. While attending dental school, she received a Dentistry Academic Scholarship, the General Dentistry Program Excellence Award, and an Outstanding Achievement in Operative Dentistry award.

Dr. Iranmehr is an active member of Plano Rotary Club. She loves teaching, and currently holds the position of Clinical Assistant Professor at Baylor College of Dentistry, where she teaches chairside practice to prospective dentists. She actively seeks to advance her knowledge of dentistry, striving to stay up-to-date on leading edge techniques and treatments through continued coursework, walk-through hands on experience, and instruction with other dentists.

Dr. Iranmehr was born in Tehran, Iran, and spent her early years in Germany prior to moving to the United States. She has been a resident of Plano, Texas for over twenty years and is the proud mother of her associate dentist. When she is not busy with dentistry and is outside the office, Dr. Iranmehr enjoys spending time with her family and traveling.

When she began her formal education, Dr. Iranmehr made a commitment to excellence which she continues to pursue to this day. She goes above and beyond the call of duty to ensure that every patient’s experience is comfortable and enjoyable. She is known by her patients for her friendliness, compassionate care, and her willingness to listen closely and provide explanations for all aspects of dental care.

Meet the Staff


Financial Coordinator

Sarahi has been with our practice since 2009. She helps our patients acquire quality dental care, and ensures that our office always runs smoothly and efficiently. She loves our dental team, saying that “We share the same principles and we look out for each other, this is our second home.” She is a people person, and loves helping every patient that comes into Preston Family Dentistry. Sarahi is always making sure that we have a relaxed and friendly environment. Sarahi is married and has three daughters. She is very busy as a mother and enjoys crafting and cooking. She is also a children’s teacher at her church.

Administrative Coordinator

Mayra has worked in the dental field for the past 7 years and takes pleasure in working with a team that helps patients receive the best and most informative quality dental care from beginning to end. Mayra is always smiling and loves interacting with our wonderful patients. She enjoys being able to help our patients understand their dental benefits and insurance coverage. She loves spending quality time with her two kids and two cats. Weekends are always busy with taking her kids to their activities. She also attends a book club and is an active church member.

Scheduling Coordinator

Astrid is the newest member of the PFD family but already feels like this is her second home. She primarily helps our patients coordinate when scheduling appointments, but she is also a registered dental assistant and loves to help patients wherever she can. She enjoys the atmosphere of our family practice and welcomes everybody with a big smile as soon as they walk through the door. She loves learning new things, going out to eat, and spending time with her boyfriend.

Dental Assistant

Nazee has been in the dental field for over 20 years. She is responsible for many of the day-to-day functions at Preston Family Dentistry and she always maintains a peaceful, calming presence. She is a registered dental assistant and loves her job. Her favorite part of her job is interacting with patients and what she enjoys most is that the work we do at our office allows our patients to enjoy beautiful healthy smiles. Outside of the office she is a proud mom and loves spending time with her family and “Pashmak” her poodle.

RDH Dental Hygienist

Jenny joined our dental family in 2015. She earned her degree at the University of Texas Health and Science Center in San Antonio, where she graduated in 2012. She enjoys working with her co-workers and loves being able to make a difference in a patient’s life by providing education about oral health and tools to help improve their health. She has a very gentle touch and is dedicated to perfection when providing dental cleanings. Jenny is married to her husband Lee and in her spare time she enjoys playing with her beagle named Joey, reading, traveling and is a foodie.

RDH Dental Hygienist

Patti has been in dentistry since she was 18 years old, when her childhood dentist asked her to be his dental assistant for the summer. It was instant love. She attended Tyler Jr. College, graduating at the top of her class. Later, she earned a BA from The University of Texas at Dallas. Her passion has always been to provide her patients excellent care and education, as well as making sure they are happy and comfortable in her chair. She is also an artist, working in mosaics, clay, and paints. She loves spending time with her daughter, son-in-law, and granddaughter, as well as her little parakeet Eli.

RDH Dental Hygienist

Lana has worked with Dr. Iranmehr since 2007 and officially joined our practice in 2021. She has worked in the dental field for many years, first as a dental assistant then graduating dental hygiene school from Collin County Community College in 2002. She loves helping patients achieve a healthy, beautiful smile. She also enjoys working with patients of all ages. She wants your visit to Preston Family Dentistry to be a great experience. In her free time, she loves spending time with her family and friends.