ADA is the official and definitive source for CDT， an essential part of dentists' everyday business。 CDT 2023: Current Dental Terminology includes 22 new codes， 14 revisions， and 2 deleted codes across 8 categories。 This edition also includes seven new codes adopted in March 2022 related to COVID-19 vaccine administration。 Other highlights in CDT 2023 include new and revised codes for: Intraoral tomosynthesis and 3D surface scans; HPV vaccine administration; Guided tissue regeneration; Intraoral radiograph images; Gingival flap procedures; Full mouth debridement; Gingival irrigation。 In addition to providing the most up-to-date codes， CDT 2023 also includes access to the CDT app and online e-book， providing digital access to the full suite of CDT codes and descriptors。