David Philofsky, DDS, MS & Preston Alfred, DDS, MS
McKinney Periodontics & Implant Dentistry
Creating Beautiful Smiles

Meet The Team

Our exceptional, friendly team is our greatest asset. Our dental assistants and hygienists are licensed professionals who pride themselves on staying on the cutting edge of dentistry and patient communication. We are excited about what we are doing, have high standards of quality and integrity, and are motivated to achieve the best results for our family of patients. 

We are dedicated and motivated with one primary goal—your utmost comfort! We feel it’s important that you understand the treatment that you’ll be receiving so that you can relax during the procedure.

We are eager to answer any questions regarding your dental care. Please feel free to share with us your needs and concerns. New patients welcome!!!


Call for an appointment and experience the difference today!

Introducing our Staff:



Karen lives in McKinney has been a team member in our office since 2008. She has several years of Dental experience in all areas of dentistry. Karen is married and has raised 2 young adults. She enjoys boating on her time off.


Insurance Coordinator

Krista has lived in Plano/Allen for most of her life.  She has 15+ years of experience in dentistry.  She is married and has 3 adult children and 1 son in law.  Krista enjoys spending time with her family most of all. Her favorite hobbies are shopping and watching hours of Hallmark movies and HGTV. 



Hope is a native Dallas, Texan. She resides in McKinney with her two beautiful children. Hope graduated from Texas Woman's University, in 1996, with her Bachelors of Science Degree in Dental Hygiene. Her passion is helping patients by making them feel comfortable in the dental chair and educating them to achieve successful results with their periodontal treatment. Hope enjoys the outdoors, travel and reading. She loves flowers and chocolates!


Surgical Assistant

Nikki comes to us from Canada. She has 20+ years of Periodontal experience and is a welcome addition to our staff. She truly cares about our patients and looks forward to coming to work everyday. She resides in McKinney with her husband and 2 beautiful children. Nikki enjoys spending time with her family, watching hockey and long walks.


Surgical Assistant

Allie was born in Dallas, and eventually migrated north to where she now lives in McKinney with her husband Tanner and their son Copper. Allie graduated from Daymar University with an Associates of Applied Science degree in Dental assisting. She joins our team with 5+ years of experience and genuinely enjoys educating patients about their oral health. During her spare time, Allie enjoys spending time with her family and being outdoors and baking.


Surgical Assistant

Kelsee lives in Bonham, Texas where she was born and raised. She graduated from Grayson County College with a Certicate in Dental Assisting. She is getting married to her High School sweetheart in November 2018. She enjoys being with family and friends and playing outside with her pup Zeus.