About Us

Bright Smiles is a family owned local business here in Cumming, GA. We provide comprehensive dental care for the entire family. We are committed to providing you a safe, comfortable and gentle dental care. When it comes to dental care, we understand you or your family member may be anxious. We provide various sedation options and we always go over and beyond to make sure every patient feels comfortable and welcome in our practice. At Bright Smiles, we treat you like you are one of our own.

We are located at 907 Buford Road, Suite 100 in Cumming, GA. We serve the residents of Cumming, Suwanee, Johns Creek, Alpharetta, Canton, Dahlonega, Dawsonville, Buford and other neighboring cities in Forsyth, Gwinnett, Dawson, Fulton and surrounding counties.

We are conveniently located off exit 14 on Highway 400 just past the intersection of Market Place Boulevard, Ronald Reagan Boulevard, and Buford Road (Highway 20) right across the street from O’Charleys.

If you would like to make an appointment or have any questions, please call (678) 922-8282 or click here to schedule an appointment.


Meet the Doctors


Sangita Venkatesh, BDS, DMD

Dr. Venkatesh graduated from Tufts University School of Dental Medicine, Boston, Massachusetts. She also holds a bachelor’s degree in Dental surgery from India. She has been practicing dentistry since 2004 in the United States. In an effort to provide her patients with the best dental care and to keep abreast of the current techniques she continually upgrades her skills and knowledge by attending various continuing education programs.

She is a member of various dental associations and organizations including American Dental Association, Georgia Dental Association and Hinman Dental Committee.

Dr. Venkatesh is very caring, compassionate and truly dedicated to her profession. She believes that patiently listening to the patient’s concerns and individualizing the needed treatment plan will result in better oral health for the patients.

Dr. Venkatesh lives in Suwanee, GA with her husband and two kids. They moved to Suwanee in 2004 and loved the friendly and beautiful neighborhood right away. They believe in giving back to the community and are involved in various community activities. Dr. Venkatesh in her spare time loves to cook, listens to music and spends time with her kids.

Best of Cumming - 2019
America’s Best Dentists - 2019
Roman M. Cibirka, DDS

Roman M. Cibirka, DDS

Member of Omicron Kappa Upsilon, AUPhi and Academy of Prosthodontics

Dr. Cibirka is a Maxillofacial Prosthodontist trained at the University of Michigan graduating first in his class in 1988.

Dr. Cibirka is internationally recognized for his achievements as a health education and awareness innovator using advanced technologies including mobile and wearable devices, virtual and high fidelity simulation.  Dr. Cibirka has maintained positions as a strategic advisor in health care education and technology innovation for Fortune 500 companies and leading dental manufacturers.  He has served on international Editorial Boards dental journals.

Dr. Cibirka is a member of the highly selective Omicron Kappa Upsilon, AUPhi, American College of Prosthodontics and Academy of Prosthodontics.  Dr. Cibirka has been awarded research funding totaling more than $15M and published numerous articles on enhancing patient quality of life outcomes, dental implants and dental materials.  He has lectured on every continent in the world on topics relating to prosthodontics, complex oral rehabilitation, dental implants, esthetic restorations, digital dentistry, dental innovation technology, virtual simulation, biocompatibility and forensics.

Dr. Cibirka serves his community by providing dental care to the underserved at Ben Massell Dental Clinic and Highlands Christian Dental. Dr. Cibirka is also the treating dentist for the Atlanta Gladiators Hockey Team.

Miguel A. Martinez Jr., DMD

Miguel A. Martinez Jr., DMD

Worried about your wisdom teeth? Dr. Miguel A. Martinez Jr., DMD, an expert in oral surgery, can ease your worry with the fastest and most easy extractions here at Bright Smiles. He has helped countless number of patients with implants and wisdom teeth extractions over the past 12 years and will help you through this process in a less stressed way. ‘He has a great chair-side manners’, most say about him and he can make this moment of your life a more positively memorable one!

He served honorably in the U.S. Army from 1993-2000 as a Dental Lab Technician. He completed his dental degree from the prestigious, University of Florida. He has been involved in dentistry over 25 years. His skills match his confidence and looks forward to giving you a truly positive and memorable experience with your dental surgery needs!

Jung Min Park, DDS

Jung Min Park, DDS

Dr. Park received her DDS from New York University College of Dentistry in New York, NY and completed one year of General Practice Residency from Flushing Hospital Medical Center in Flushing, NY. During her residency program, she gained valuable experience in restorative dentistry, root canal treatments, simple and surgical extractions, crowns & bridges and emergency treatments. She always focuses on building a good rapport and trust with all her patients and strives to deliver high quality dental services that produce predictable results with successful long term prognosis. 

Outside of dentistry, she loves to spend time with her nieces, listening to music and traveling.