Meet Our Springboro & Dayton Doctors
Our team of dentists brings decades of combined experience to Dayton Comprehensive Dentistry, blending general, cosmetic, restorative, and prosthodontic expertise across both of our Ohio locations. Led by Dr. Cory Sellers, a practicing prosthodontist, our doctors work together to give every patient a personalized, comprehensive treatment plan.
request an appointmentOur Springboro Dental Team
At our Springboro office, Dr. Sellers, Dr. Tabaa, and Dr. Olsen provide comprehensive dental care ranging from routine cleanings and exams to advanced prosthodontic treatment, including implant restorations and full mouth reconstruction.
Our Dayton Dental Team
At our Dayton office, Dr. Niquette, Dr. Prabhu, Dr. Rasmussen, and Dr. Komanduri offer the same high standard of care, from general dentistry and cosmetic dentistry to periodontal services and restorative dentistry.
Cory B. Sellers, DDS, MSD
Prosthodontist
Dr. Sellers began his education in Provo, Utah, earning his Bachelor of Science degree from Brigham Young University. He went on to study dentistry at the Indiana University School of Dentistry, where he earned his Doctor of Dental Science. Dr. Sellers completed a one-year, hospital-based general practice residency at Indiana University. He then finished his three-year prosthodontic training at Indiana University School of Dentistry, receiving his certificate in prosthodontics and Master of Science degree in dentistry, having completed his thesis on the evaluation of the corrosive effects of fluoride on dental materials.
Active in a number of associations and colleges, Dr. Sellers maintains a high profile in his industry. He holds membership in the American Dental Association®, American College of Prosthodontists, and the Dayton Dental Society, as well as the Indiana Dental Association, International College of Dentists, and Ohio Dental Association.
Dr. Sellers gives back to the community and his profession by teaching and volunteering. He currently teaches residents basic prosthodontics at the Dayton VA Medical Center. Prior to that, he taught residents basic prosthodontics at the Indiana University Medical Center until July 2010. Since 2005 he has volunteered dental services to the underprivileged at the Trinity Free Clinic in Hamilton County, Indiana.
Providing services at our Springboro Location.
Aaron Harding D.D.S., M.S., FACP
Prosthodontist
Dr. Harding earned his dental degree from the Medical University of South Carolina and completed advanced prosthodontics training at Wilford Hall Medical Center, earning a Master of Science from UT Health Science Center at San Antonio. He has been recognized as Clinical Dentist of the Year and Senior Dental Educator of the Year. Currently, he serves as Chief of Prosthodontics and Associate Professor at Wright-Patterson Medical Center.
Dr. Harding provides expert care in crowns, implant restorations, veneers, and complete smile makeovers.
Providing services at our Springboro location.
Rhett Olsen, DDS
Exodontist
Dr. Rhett Olsen was born and raised in Southern Utah. He graduated Cum Laude from Dixie State University and later furthered his education at Loma Linda University School of Dentistry in Southern California.
Dr. Olsen completed his residency in general dentistry in the Air Force, where he received his certificate in IV sedation. He continued serving as a general dentist for the United States Air Force in Japan, Europe, Las Vegas and Ohio. We’re thrilled to have him as an addition toour team where he provides services such as extractions, IV conscious sedation, implants and more!
When Dr. Olsen is not practicing, he enjoys spending time with his family, traveling and practicing photography.
Providing services at our Springboro Location.
Mostafa Tabaa, DDS, MS
Periodontist
Dr. Tabaa earned his D.D.S degree at the Damascus University College of Dentistry, Syria, and practiced general dentistry in Damascus for over twelve years. After moving to the US, he continued to advance his dental education at the University of Kentucky’s College of Dentistry.
He completed a one-year fellowship in Periodontology, followed by three-year Periodontics residency program, he graduated with a certificate in Periodontology and a Master of Science degree in Dentistry. Dr. Tabaa has engaged in research since his residency and would like to continue to add research activities to his portfolio. In 2019, Dr. Tabaa was awarded third place in the William M. Pennel
Research Competition at the Southern Academy of Periodontology. He participated in Balint Orban Competition and Research Forum, presenting the results of his thesis project at the AAP 105th Annual Meeting and at the 14th Annual Spring Conference at University of Kentucky. In 2023, He published a paper as the 1 st author, entitled “Pattern of grade C molar-incisor pattern
periodontitis in families” in Journal of Periodontology.
Dr. Tabaa actively participates in dental associations and organizations. He is a member in the American Dental Association, the American Academy of Periodontology, the American College of Prosthodontists, the Kentucky Dental Association, the International Team of Implantology, The International Journal of Periodontics and Restorative Dentistry, and the Oral Preventive Medicine Association in Syria.
Dr. Tabaa enjoys giving back to the community and his profession by teaching and volunteering. While living in Kentucky, he served as a volunteer general dentist at Mission Lexington Dental Clinic. Currently, he works part-time at the Ohio State University dental clinic as an associate professor and faculty.
When he is not working, he loves to spend time with his family, traveling and practicing sports.
Providing services at our Springboro Location.
Fadi S. Masoud, DDS, MS
Periodontist
Dr. Masoud received his Doctor of Dental Medicine degree from Semmelweis University in Budapest, Hungary, followed by a Doctor of Dental Surgery degree from the University of Southern California.
After practicing general dentistry in Southern California for 4 years, he pursued a residency in periodontics at the University of Illinois, where he became certified by the American Board of Periodontology and Implant Dental Surgery in 2013. He then continued his clinical practice in the Chicago area while serving as an Assistant Clinical Professor at the University of Illinois at Chicago.
In 2016, Dr. Masoud dedicated three years to the National Guard Health Services in Riyadh, Saudi Arabia, where he worked as a consultant periodontist at the National Guard Hospital and held the position of Clinical Assistant Professor. In 2019, he was appointed program director for the Saudi Board for Periodontics, responsible for enhancing the post-graduate program and training residents.
Committed to staying informed of the latest advancements in periodontics and dental implantology, Dr. Masoud prioritizes patient education to help them navigate their treatment journeys. He believes that fostering a trusting relationship with patients, built on honesty and transparency, is essential for achieving positive outcomes, and he considers it a privilege to provide care that promotes their health and confidence.
Providing services at our Springboro Location.
Joe Salame, DDS
General Dentist
Dr. Joe Salame graduated from Beavercreek High School. He earned his Bachelor’s degree in biomedical engineering from Wright State University and later pursued his Doctorate of Dental Surgery at The Ohio State College of Dentistry. Dr. Salame is a member of the American Dental Association.
When asked what inspired him to become a dentist, Dr. Joe says, “I chose to pursue a career in dentistry to assist individuals in restoring their confidence through their smiles.” He believes a healthy, beautiful smile can significantly impact one’s self-esteem and well-being. Focusing on providing high-quality dental care, he is dedicated to helping his patients achieve optimal oral health while delivering a compassionate, patient-centered experience.
Outside of the office, Dr. Joe enjoys spending quality time with family and friends and hiking in the great outdoors.
Providing services at our Springboro Location.
Mason Bahador, DDS, Ph.D.
Board Certified Endodontist
Dr. Bahador began his academic career in engineering, earning both his Bachelor of Science and Master of Science degrees in Civil Engineering in Tehran. After moving to the United States in 2008, he completed his Ph.D. in Civil Engineering at North Carolina State University. Although he enjoyed his work as an engineer, he discovered that his true passion lay in healthcare. Dentistry offered the perfect blend of engineering, medicine, and artistry, inspiring him to pursue a new career dedicated to patient care.
Driven by that passion, Dr. Bahador attended The Ohio State University College of Dentistry, where he earned his Doctor of Dental Surgery (DDS) degree. He was awarded The Ohio State Academic Achievement Scholarship and graduated cum laude in the top 10% of his class. He then completed advanced specialty training in Endodontics at the University of Maryland School of Dentistry in Baltimore, earning his certificate in Endodontics.
Committed to providing the highest standard of specialty care, Dr. Bahador successfully completed the rigorous certification process of the American Board of Endodontics and became a Board-Certified Endodontist in 2026. Board certification is the highest level of achievement in the specialty and reflects exceptional knowledge, clinical expertise, and a dedication to lifelong learning. Only approximately 23–24% of practicing endodontists in the United States have earned Diplomate status with the American Board of Endodontics.
In addition to clinical practice, Dr. Bahador has a strong passion for research and innovation. He received the Sherril Ann Siegel Memorial Award from the University of Maryland in recognition of excellence in endodontic research. He has authored multiple scientific publications in both engineering and dentistry and has developed innovative technologies for endodontics, earning three U.S. utility patents.
Dr. Bahador is a Diplomate of the American Board of Endodontics and an active member of the American Association of Endodontists and the American Dental Association.
Dr. Bahador and his family have proudly called Ohio home since 2012. He and his team are dedicated to providing exceptional endodontic care in a welcoming, comfortable, and compassionate environment, helping every patient feel informed, relaxed, and confident throughout their treatment.
Providing services at our Springboro Location.
Brittni J. Bent, DDS
General Dentist
Dr. Brittni Bent earned her Doctor of Dental Surgery degree from the University of Colorado School of Dental Medicine and completed an Advanced Education in General Dentistry residency at the Dayton VA Medical Center.
She is known for her meticulous, detail-oriented approach and patient-centered philosophy. Guided by the Platinum Rule, Dr. Bent strives to treat patients the way they want to be treated. She presents ideal treatment plans based on clinical needs, then collaborates with patients to tailor care that aligns with their goals and financial considerations.
Dr. Bent has a strong passion for surgical procedures, valuing their immediate impact in relieving pain, restoring function, and witnessing the moment a patient can smile again. She also finds great fulfillment in restoring smiles with dentures and partials, appreciating the meaningful transformation these treatments can bring to a patient’s life.
Originally from Jamaica, Dr. Bent stays active through fitness and yoga, and spends her free time playing chess, hiking, traveling, and working on home projects. She is committed to lifelong learning and continually refining her skills.
Providing services at our Springboro Location.
Rafae Khawaja D.D.S.
General Dentist
Born and raised on Long Island, New York, Dr. Rafae Khawaja earned his bachelor’s degree from Stony Brook University and his Doctor of Dental Surgery degree from the NYU College of Dentistry. He completed his General Practice Residency at SUNY Upstate Medical University in Syracuse, New York, where he received advanced training in comprehensive dental care.
Dr. Khawaja’s path to dentistry was inspired by his own fear of dental work. Having experienced dental anxiety himself, he understands what many patients feel when they sit in the dental chair. His goal is to create a comfortable, welcoming environment where patients feel at ease, build confidence in their care, and maybe even leave loving their dentist.
One of his favorite parts of dentistry is helping patients get out of pain while getting to know them and making each visit a positive experience.
Outside the office, Dr. Khawaja enjoys playing and watching sports and is a lifelong fan of the New York Knicks, New York Giants, and New York Mets. He also loves spending time with family and traveling the world.
Providing services at our Springboro Location.
Ready to meet the team in person? New patients are always welcome at both of our Ohio locations, or you can browse patient testimonials to see what to expect from your first visit.
Meet Our Doctors: Frequently Asked Questions
How many dentists work at Dayton Comprehensive Dentistry?
Our practice has seven dentists across two Ohio locations: three doctors at our Springboro office and four doctors at our Dayton office, all working from one shared treatment philosophy.
Is a prosthodontist part of your regular dental team?
Yes. Dr. Cory Sellers is a practicing prosthodontist who leads our approach to complex restorative and cosmetic cases, working alongside our general dentists at both locations.
Can I choose which dentist I see?
Yes. When you schedule your appointment, let our team know if you have a preferred dentist at the Springboro or Dayton office, and we’ll do our best to accommodate your request.
Do all of your dentists treat both children and adults?
Our doctors provide general and family dental care for patients of most ages. Contact your preferred office directly to confirm availability for younger children.
What should I ask a dentist during my first visit?
Feel free to ask about their approach to your specific dental concerns, treatment timelines, and payment options. Our doctors take time to explain every step of your care.
Do your doctors handle dental emergencies?
Yes, our team provides emergency dental care at both the Springboro and Dayton offices.
