Skip to main content

The Best in Comprehensive Dental Care

Dr. Robert Beckmann, Dr. Corbin Alhadef and our entire team of dental professionals at Preston Sherry Dental Associates are dedicated to providing personalized dental care in a comfortable, relaxed environment. From the moment you contact us for your first appointment, you will realize the difference in how we treat our patients.

Convenient Appointment Scheduling

Our first goal is to make it easy for you to receive the dental care you need on your schedule. We offer extended hours and emergency appointments to ensure all our patients get the care they need, when they need it.

We know that your life is busy and we want your time at our office to be efficient while also giving you the personalized care you deserve. Our goal is to provide convenient scheduling options that make it easy for you to receive the dental treatments you need, without long waits before or during your visit.

Same Day Appointments

Not all dental appointments can be booked weeks in advance. At Preston Sherry Dental Associates, we understand that sometimes you need to see us right away, which is why we keep same day appointment available.

Family Block Appointments

Save time and ensure the whole family gets the dental care they need by using family block appointments. Bring everyone for their dental treatments in one convenient trip to our office.

Doctor Robert Beckman Dentist

Robert Beckmann

Dr. Beckmann, a native of Houston, graduated from Texas A&M University. He received his Doctor of Dental Surgery degree from Baylor College of Dentistry in Dallas.

Dr. Beckmann recognizes that the field of dentistry is constantly growing and changing. He feels that it is very important to stay informed of the latest research, techniques and materials on cosmetic as well as implant dentistry.

Dr. Beckmann is an active member of the American Dental Association, Texas Dental Association, Dallas County Dental Society, American Academy of Cosmetic Dentistry, American Academy of Implant Dentistry and the International Congress of Oral Implantologists. As a highly recognized Dentist in Dallas, he was voted by his peers as a “Top Dentist” in D Magazine. Dr. Beckmann is the proud father of twins, daughter Brett and son Pierce. His hobbies include physical fitness, golf, sports and traveling.

Loannis Kormas

Loannis Kormas

Dr. Loannis Kormas comes from Athens, Greece and is a Clinical Assistant
Professor in the Department of Periodontics at the Texas A&M School of
Dentistry. He received his dental degree (D.D.S.) at the National and
Kapodistrian University of Athens in 2013. After 1 year of private practice and
1 year of service at the Hellenic Air Force General Hospital he completed the
2-year Advanced Education in General Dentistry (A.E.G.D.) at the Eastman
Institute for Oral Health (University of Rochester) in 2017. Following that, he
completed his Periodontology residency at the University of Minnesota and
Master of Science (M.S.) in 2021. His research experience, as part of his
Master of Science studies, was in the field of metabolomics, where he used
the Nuclear Magnetic Resonance and Mass Spectrometry technologies to
investigate changes in the metabolites of gingival crevicular fluid sampled
from individuals with periodontitis and healthy controls. He is the recipient of
Marmion & Ruth Houglum Endowment and of the Engel Award related to
research and teaching at the University of Minnesota. Additionally, he
received the Nobel Biocare Student Member Annual Meeting Scholarship in
2019 and the Dr. Fanny Freund Advanced Education Scholarship for the year
2020-2021. He has presented his work in national and international meetings
and has several publications in peer-reviewed journals. In 2022, he was
awarded the Clinical Science Award in the Research Forum Poster
Competition at the American Academy of Periodontology 2022 Annual
Meeting as well as the Educator Award for Excellence in Teaching and
Mentoring in Periodontics by the American Academy of Periodontology. Dr.
Kormas started working in department of Periodontics of Texas A&M School
of Dentistry in July 2021. Since September 2022, he has been appointed the
Interim Program Director for the A.E.G.D. of Texas A&M School of Dentistry.
His clinical practice is focused on Periodontal and Implant Surgery.
Corbin Alhadef

Corbin Alhadef

Dr. Corbin Alhadef graduated from Texas State University in San Marcos after having attended Highland Park High School. Earning his Doctor of Dental Surgery degree from Texas A&M/Baylor College of Dentistry in Dallas, he is committed to providing a high level of honest dental care. With a dedication to serving the community, Dr. Alhadef is highly trained and eager to help his patients make their ideal smile a reality. He is a member of the American Dental Association (ADA) and Academy of General Dentistry (AGD). He also serves on the board of the Dallas County Dental Society (DCDS) and is a delegate to the Texas Dental Association (TDA). Dr. Corbin Alhadef has provided private, excellent dental care to Dallas for years in addition to mobile dentistry services to seniors and special needs patients in the DFW area. Dr. Corbin Alhadef brings a wide range of capable experience and a modern skillset. When not committing himself to dentistry he enjoys spending his time with his friends and many pets & plants. Although he loves to travel the world, he is proud to have always called Dallas his home.
Simone Jones Office Manager FD RDA

Simone Jones

Office Manager / FD / RDA

Sandy Collins RDH

Sandy Collins

Registered Dental Hygienist

Sam Ekes RDH

Sam Ekes

Registered Dental Hygienist

Shanna Youman FD

Shanna Youman

Front Desk

Kelsey Nixon Beckman

Kelsey Nixon


Schedule Your Appointment Today!