Meet The Doctors

Dr. David Philofsky, DDS, MS

Dr. Philofsky grew up in many places from the east coast to the west coast but has called Texas his home for the past 25 years!  Once he graduated from Air Academy High School in Colorado Springs he moved to Texas and earned his degree in Biology from Baylor University.  Baylor is a special place to him for many reasons, including where he met his future wife, Cindy, during welcome week his freshman year.  He has been married to this local McKinney High School and Baylor graduate for the past 20 years.  After graduating from Baylor University with a Biology Degree, he continued his education at Baylor College of Dentistry (now Texas A&M College of Dentistry) earning his Doctor of Dental Surgery (DDS), M.S. in Oral Biology, and Certificate in Periodontics.  During his studies, he became interested in the process of regenerating bone and soft tissues within the mouth and around teeth & dental implants which lead him to specialize in Periodontics & Dental Implants.  Dr. Philofsky has a great passion to teach and educate others where he has been an Adjuct Assistant Professor in the Department of Periodontics at Texas A&M College of Dentistry.  Along the way, Dr. Philofsky and his wife are blessed to have one daughter and two sons that definitely keep their lives balanced!  Dr. Philofsky loves all sports but loves to follow college sports -- especially the Baylor Bears.  Dr. Philofsky has always felt the desire to serve others through mission trips over the years and has been traveling to the African country of  Zambia where he serves with a medical/dental team treating those who do not have regular access to healthcare. 

Dr. Philofsky graduated with honors from Baylor College of Dentistry where he received his DDS, MS, and Certificate in Periodontics.  He hosts and attends hours of continuing education each year and is active in the North Texas Dental SocietyTexas Dental Association and the American Academy of Periodontology . Dr. Philofsky is a Diplomate of the American Board of Periodontology.  Dr. Philofsky and his family have lived in the Dallas area for the past twenty years.  They are proud to call McKinney their home where they love being an active part of this great community.

Dr. Preston Alfred, DDS, MS

Dr. Alfred grew up in Weston, WV, which is a small town located in central West Virginia.  After graduating from Lewis County High School, he attended West Virginia University in Morgantown, WV and received his Bachelors of Science in Exercise Physiology.  He then decided to stay close to home and finish his Doctor of Dental Surgery (DDS) at WVU.  During his dental training he became aware of all different aspects of his profession, and became passionate about the idea of replacing teeth that had been lost with dental implants. His passion to deliver the highest quality of treatment to his patients drove him to Houston, TX  after graduation. Dr. Alfred completed a Advanced Education in General Dentistry (AEGD) at the University of Texas - School of Dentistry at Houston.  He then applied the advanced techniques and practiced as a general dentist in the community of Parkersburg, WV.  During his AEGD training and time in private practice he continued to have a drive to pursue a career in surgery which lead him back to Texas to specialize in Periodontics.  Dr. Alfred  returned back to University of Texas - School of Dentistry at Houston  to specialize, earning his M.S. in Oral Biology and Certificate in Periodontics.   Not only was this an important time for him in his career but he also had the opportunity to meet his future wife, Paola. 

Dr. Alfred and his wife are both very excited to be joining the Mckinney Periodontics family, and are excited to be starting a family of their own.  Dr. Alfred enjoys following his Mountaineers during football and basketball season and giving his UT Longhorn wife a hard time whenever WVU prevails. He has started the process of becoming a board certified periodontist and has a passion for research. His current research emphasis is on implantology and identifying factors that can increase the success of the treatment.  He is a member of the Southwest Society of Periodontists, American Academy of Periodontology, and the Texas Dental Association. Dr. Alfred has a pure love for treating patients whether those are his own in private practice or abroad on mission trips!


 "Excellence in dentistry begins with a careful co-diagnosis and treatment plan to establish the goals we will achieve together. Communication and long-term relationships are important to us. We will make you a partner in your care."

Dr. David Philofsky, Dr. Preston Alfred, and their staff are committed to serving the dental healthcare needs of our community. McKinney Periodontics is a family-orientated practice offering a variety of services, including dental implants, the treatment of advanced periodontal disease, bone and gum grafting, cosmetic gum contouring, and oral pathology. For optimal comfort, Dr. Philofsky and Dr. Alfred offer varying levels of sedation. Our doctors use state of the art technology within a comfortable and soothing environment. They devote time to each patient, educating them on their treatment options and partnering with them and with their primary dentist in their care. Dr. Philofsky, Dr. Alfred, and their staff are committed to teaching each patient prevention measures and take great care in catering treatment plans to the individual needs of the patient. New Patients Always Welcome!

Some of our patients are referred by some of our best patients. The rest come from our excellent referring doctors!