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.