Sage Dental of Newnan

Dr. Gabriel Thomas is a general dentist who provides comprehensive, patient-centered care to the Newnan, Georgia community. He is committed to helping patients feel comfortable, informed, and confident in their treatment decisions. Known for his calm demeanor and thoughtful chairside manner, Dr. Thomas focuses on building meaningful relationships grounded in trust and respect.

Dr. Thomas earned his Bachelor of Science degree, Cum Laude, from Morehouse College and completed a Master of Biomedical Sciences, Magna Cum Laude, at Larkin University in Miami, Florida. He received his Doctor of Dental Medicine degree from Tufts University School of Dental Medicine, where he was active in student leadership and community outreach initiatives.

He is trained in all aspects of general dentistry, including surgical extractions, root canal therapy, crowns, bridges, veneers, dentures, partial dentures, and implant restorations. Dr. Thomas remains dedicated to continuing education and stays current with modern dental techniques and technology to support high-quality, individualized care.

Outside of the office, Dr. Thomas enjoys spending time with family and friends. He is also a sports enthusiast and enjoys soccer, football, and exploring new food experiences.

Dr. Fongalla Nkweti brings a thoughtful and personalized approach to general dentistry, with a focus on helping patients maintain healthy, confident smiles at every stage of life. He earned his Doctor of Dental Medicine degree from Southern Illinois University. Dr. Nkweti speaks English and French, helping him connect comfortably with patients from diverse backgrounds.

Dr. Nkweti provides care ranging from routine cleanings and preventive treatment to restorative and surgical procedures when needed. He takes the time to understand each patient’s individual needs and works to create a comfortable environment where patients feel supported throughout their dental care.

Based in the Atlanta metro area, Dr. Nkweti is committed to providing high-quality care tailored to each patient. He values building lasting relationships and helping patients make informed decisions about their oral health.

Dr. Shan Cen, DDS, is an orthodontist dedicated to delivering beautiful, healthy smiles through precise, compassionate, and patient-centered care.

She earned her Doctor of Dental Surgery degree from Touro College of Dental Medicine in Westchester, NY, followed by specialty training in Orthodontics and Dentofacial Orthopedics at the University of Colorado School of Dental Medicine, where she also completed her master’s research in clear aligner biomechanics.

Dr. Cen is passionate about blending the artistry of smile design with evidence-based orthodontics. She stays at the forefront of digital orthodontics and airway-focused principles to provide modern, comfortable, and individualized treatment for patients of all ages.

Known for her calm presence, gentle communication style, and genuine warmth, Dr. Cen helps patients feel at ease from the moment they meet her.

Originally from Florida, she is excited to join the Atlanta community. Outside the office, Dr. Cen enjoys traveling, yoga, meditation, and spending time with her beloved bunny, Oreo.

Dr. Alexander Null is an accomplished oral and maxillofacial surgeon currently serving as an Army Major stationed at Martin Army Medical Center in Fort Benning, GA. He received his undergraduate degree in Pre-Medicine from Philadelphia University (now Thomas Jefferson University), where he also played college soccer. Dr. Null then earned his Doctor of Dental Medicine degree from Lake Erie College of Osteopathic Medicine in 2016.

Following dental school, Dr. Null completed an Advanced Education in General Dentistry (AEGD) program at Fort Sill, Oklahoma. He then pursued further oral and maxillofacial surgery training at William Beaumont Army Medical Center in Fort Bliss, Texas, where he graduated with the Distinguished Graduate Award.

Dr. Null is an American Association of Oral and Maxillofacial Surgeons member. He has dedicated his career to serving his country through his work in the United States Army. He is currently the Oral Surgeon Mentor for the AEGD program at Martin Army Medical Center, where he supervises and trains eight residents annually.

In addition to his clinical work, Dr. Null is also actively involved in charity work, having volunteered with Mission of Mercy and providing oral surgery services to the community at his previous duty locations. Outside work, he enjoys spending time with his wife, Angela, and their two dogs, Zoe and Gigi. He is an avid outdoorsman who loves going to the beach and fishing.

Dr. Null discovered his passion for oral surgery during dental school and has since dedicated his career to providing exceptional patient care. He is highly skilled in a wide range of oral and maxillofacial surgery procedures and is committed to staying up-to-date with the latest advancements in his field.

Dr. Scott Park is an endodontist who focuses on providing precise, compassionate care while helping patients feel calm and informed during treatment. He understands that endodontic procedures can feel overwhelming and prioritizes comfort, clear communication, and trust at every visit.

Dr. Park earned his Bachelor of Science degree from the University of Toronto and his Doctor of Dental Medicine degree from the University of Pennsylvania. He completed his specialty training in endodontics at Columbia University in New York City.

He uses advanced techniques and careful attention to detail to support predictable outcomes and long-term oral health. His approach combines clinical expertise with a gentle, reassuring manner tailored to each patient’s needs.

Outside of the office, Dr. Park enjoys traveling and exploring new restaurants. He values balance and brings the same thoughtful approach to patient care that he does to his personal interests.