Charlotte Dentist. Dr. Dr. Stella O. Nnadi, DMD., P.A. provides CEREC, Lumineers, Kor Teeth Whitening, Cosmetic Dentistry, Dental Hygiene, Tooth Ache, Gum Disease to the following locations: Newell, Huntersville, Concord, . Newell Dentist providing professional dentistry including CEREC, Lumineers, Kor Teeth Whitening, Cosmetic Dentistry, Dental Hygiene, Tooth Ache, Gum Disease in Charlotte, Newell, Huntersville, Concord, North Carolina.