Code	What it covers	Category
D9930	Treatment of post-surgical complications	Adjunctive general services
D9944	Occlusal guard — hard, full arch (night guard)	Adjunctive general services
D9945	Soft night guard, full arch	Adjunctive general services
D9951	Occlusal adjustment, limited (bite adjustment)	Adjunctive general services
D9972	In-office teeth whitening (per arch)	Adjunctive general services
D9975	Take-home teeth whitening (custom trays)	Adjunctive general services