Meet Your New Smyrna Beach Dentists
Dr. Riham Diasti, General Dentist

Dr. Riham Diasti treats adults, teenagers, and children as young as 10 years old. She provides cosmetic, preventive, and restorative care to preserve and repair smiles. In addition to providing dental exams, fillings, extractions, crowns, bridges, dentures, oral cancer screening, teeth whitening, veneers, and Coast Clear Aligners, Dr. Diasti can also perform dental implant restorations.
Dr. Diasti earned her dental degree at Temple University School of Dentistry in 2000, where she received Presidential Honors and completed the Doctor of Dental Medicine Honors Program. In 2001 she joined Coast Dental as a General Dentist and in 2019 became a Managing Partner at Coast Dental Hyde Park.
In her free time, Dr. Diasti enjoys traveling, art, and volunteering at schools.
Dr. Zafrin Tanni, General Dentist
Zafrin Tanni, DDS, AEGD, is a skilled and compassionate dentist who brings global experience and advanced education to Coast Dental. Dr. Zafrin completed her Advanced Education in General Dentistry residency at Columbia University College of Dental Medicine in New York. She previously received her Bachelor of Dental Surgery from Dhaka Dental College in Bangladesh and completed extensive postgraduate training in dentistry. With her expertise and educational background, Dr. Zafrin is able to provide fillings, root canals, crowns, dentures, extractions, and more.
Dr. Zafrin has served patients as a general dentist and dental hygienist across prominent clinics in Florida, Nebraska, South Dakota, and Bangladesh. She is always eager to adopt innovative dental methods and excels at educating patients about oral care and preventive practices. Dr. Zafrin’s strong leadership and communication skills help her to create a positive and caring environment for patients and staff alike.