Meet Your Dentists in Frisco, TX

Dr. Natalia Ovcharenko DDS , MSD  Periodontist in Frisco

Natalia Ovcharenko, DDS, MSD

Board Certified Periodontist

Dr. Natalia Ovcharenko is a native of Ukraine where she grew up in a family of medical doctors. After graduating from high school with honors and obtaining her Doctor of Dental Surgery degree in 2008 in the top ten of her class, she moved to the United States. Once here, Dr. Ovcharenko continued her education at the University of Louisville School of Dentistry specializing in Periodontics and earned a Masters in Dentistry degree.

Dr. Ovcharenko’s passion is to help patients to keep healthy smiles for a lifetime. To achieve this goal, she employs cutting-edge technology such as LANAP® Laser Treatment for gum disease, dental implants, and the latest techniques in extraction and bone grafting. She also specializes in site development and numerous types of gum grafting as well as more traditional types of treatment such as crown lengthening, periodontal surgery, and others.

To keep her patients comfortable and relaxed, Dr. Ovcharenko offers nitrous oxide as well as oral and IV sedation.

Dr. Ovcharenko has achieved Diplomate Status with the American Board of Periodontology. A Diplomate of the American Board of Periodontology (ABP) is a periodontist who has made significant achievements beyond the mandatory educational requirements of the specialty.

Dr. Ovcharenko stays abreast of the latest advances in Periodontics with memberships in many professional organizations including the American Academy of Periodontology, Academy of Osseointegration, International Team for Implantology, and Southwest Society of Periodontists.

In her free time, Dr. Ovcharenko enjoys spending time with her daughter Katherine, playing racquetball, practicing yoga, hiking, kayaking, and rock climbing with her husband. She is also a happy owner of Sunny, a wonderful orange tabby cat, whom she and her husband rescued several years ago.

Dr. Xin Zeng DMD Dentist in Frisco

Xin (Tina) Zeng, DMD

General Dentist

Dr. Zeng earned her doctorate in dental medicine from Tufts University School of Dental Medicine. Prior to her endeavor in dentistry, Dr. Zeng received her Bachelor of Science in both Biology and Neuroscience from Williams College and was involved in multiple research programs at the Harvard School of Public Health and the Dana Farber Cancer Institute.

Dr. Zeng’s goal is to provide comprehensive dental treatment that improves her patients’ health and quality of life. She is committed to personalized care and to create meaningful relationship with each of her patients. She understands how uneasy some patients may feel about their dental visits, so she strives to provide a relaxing, positive experience.

Dr. Zeng attends dental lectures, meetings, and dental conventions to stay informed of new techniques and the latest products and equipment. When not in the office or advancing her dental education, she enjoys spending time with her family, traveling and photography.



Lucy Nagashima, DDS MS


Dr. Nagashima was born and raised in Sao Paulo, Brazil where she received a bachelor in dental surgery degree in 2002.

Soon after graduating, she moved to the Dallas Metroplex with her husband and embarked on a three-year postgraduate residency program in Prosthodontics at Texas A&M University Baylor College of Dentistry, where she also received her Masters of Science in Oral Biology in 2008.

She has since been in private practice as well as academic settings, teaching removable prosthodontics at Baylor College of Dentistry. She enjoys having a positive impact on people’s lives by improving their oral health. Dr. Nagashima believes that a healthy smile can have a profound impact on one’s confidence that leads to more success in life.

She enjoys practicing yoga, traveling, and spending time with her husband, Alberto, and two boys, Henry and Nicholas.