Coast Dental Sun City
Meet Your Ruskin Dentists

Coast Dental Managing Partner
Dr. Cornelia Dadaciu has been helping people smile since she earned her Doctor of Dental Medicine degree from Nova Southeastern University in 2003. She provides comprehensive family and dental services to adults, teenagers, and children as young as eight years old. She is fluent in English and Romanian.

Dr. Dadaciu and her friendly team provide dental exams, and teeth cleanings, teeth whitening and other cosmetic dental procedures, emergency dental care, and restorative services such as fillings, crowns, bridges, dentures, and dental implant restorations. She also provides mouthguards and nightguards, extractions, oral cancer screenings, and root canal therapy. Call today to make an appointment.

Dr. Nancy Havens has been a practicing dentist since 1993.

She provides general dentistry services to adults and children as young as two and as mature as 102. Whether you need a yearly check-up or services such as, fillings, crowns, Veneers, bridges, partials, dentures, or dental implants, she looks forward to helping you.

In pain? Dr. Havens and her team can do root canals and extractions to provide same-day emergency dental appointments.

Dr. Havens is a graduate of The Ohio State College of Dentistry in Columbus, Ohio and earned an MBA at Case Western Reserve University in Cleveland, Ohio.

She received a B.S.P.A. in Health Care Administration at Saint Joseph’s College in Standish, Maine.

Dr. Havens is a member of the American Dental Association, Florida Dental Association, West Coast District Dental Association, The past President and Delegate of the Sarasota County Dental Association and a member of the American Society of Forensic Odontology & American Academy of Forensic Sciences.

When she's not busy creating beautiful smiles, Dr. Havens enjoys playing tennis, gardening and traveling in her car.

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.