Our highly trained staff members bring many years of dental experience to our patients in a professional, caring environment. Dr. Seal’s staff has been working with him for many years.

Front Office



Norma joins the office with over twenty years experience in dentistry. Norma is a registered dental assistant with clinical as well as administrative skills. Her familiarity with patient care makes her an invaluable asset to the practice.




Nadia is a business administrator at Dr. Seal's office, managing the hygiene and diagnostic department. A native of California, Nadia moved to Texas in 2014 and worked as a dental assistant prior to moving to Dr. Seal's office.  With past work experience in customer service and organizational management, Nadia has become a great addition to the practice. 




Colleen originates from Pittsburgh, PA. In 1987, Colleen graduated from Allegany College of Maryland with a degree in Dental Hygiene. Her career began in the Baltimore/Washington D.C. area. Colleen relocated to Dallas, Texas in April 2003 and began work in Dr. Seal’s prosthodontic practice. A licensed Dental Hygienist in Maryland and Texas, Colleen is actively engaged in continuing education courses and brings over 20 years experience to the practice.



Miriam graduated with honors from New York University, College of Dentistry. Prior to coming to Dallas, she practiced as a hygienist for 8 years in New York City, specializing in the areas of implants, prosthodontics and periodontics. Her expertise and skills are complemented with a broad knowledge in dentistry as she obtained a dental degree in her native country of Peru prior to moving to the US. She is engaged with continuing education courses, seminars and conferences. In 2010, Miriam relocated to Dallas and joined Dr. Seal’s practice.


Dental Assistants


Georgette, a native of Dallas, began working as a dental assistant during her senior year of high school in 1979. After working as a dental assistant for ten years, she attended Dental Laboratory Technology School at The University of Texas Health Science Center in San Antonio to become a National Board Certified Dental Laboratory Technician in Crown and Bridge. After graduation, she moved back to Dallas and continued working as a dental assistant in a general dentistry practice for a short time prior to joining Dr. Seal in the practice of Prosthodontics in January 1996, allowing her to continue developing her skills in both fields.



Teri graduated from North Mesquite High School in 1986 during which time she began her career in dentistry her senior year. She later attended The Midwest Implant Institute in Columbus, OH for two years for exclusive training in technical dental implant procedures. Following a term of work in a general dental practice for several years focusing on cosmetic dentistry, Teri joined Dr. Seal in 2002.




Kevin has worked with Dr. Seal since 1989, managing the dental laboratory. He graduated from the Naval Health Sciences of Dental Technology in 1986 and worked as a Navy Dental Laboratory Technician for four years in the United States Navy. Besides his dental training, Kevin earned an Associate in Arts at Penn Valley College in 1992 and a Bachelor of Science degree from Letourneau University in 1997. Kevin is a National Board Certified Dental Technician.



Ngoc was born and raised in New Orleans, LA by two wonderful parents who emigrated from Vietnam in 1975.  He graduated from Louisiana State University with a Bachelor of Science degree with an emphasis in Dental Lab Technology in 2010 and moved to Dallas, TX to continue his journey in the dental field. Ngoc found work immediately, and soon realized how rewarding his career would be. Building and crafting people’s smiles has always been a passion of his, and he feels that it is truly gratifying to go to work everyday knowing that he is making a difference in someone’s smile. It pushes him to further his art in hopes of mastering the art of one’s smile.  Ngoc began working for OraNova in 2013.  In his free time, Ngoc enjoys spending time with his wife, family and friends, going to the gym, cooking, traveling, and hiking. 



Andrew joined Dr. Seal’s practice in 2013 to initiate the use of 3-D modeling, digital scanning and CNC milling in the laboratory. He has a B.S. in mathematics as well as an M.B.A. from Tulane University.