CDT COMPREHENSIVE STUDY GUIDE 2026
QUESTIONS WITH ANSWERS GRADED A+
⩥ D0140. Answer: Limited oral evaluation - problem focused
⩥ D0145. Answer: Oral evaluation for a patient under three years of age
and counseling with primary caregiver
⩥ D0150. Answer: Comprehensive oral evaluation - new patients first
visit.
⩥ D0160. Answer: Detailed and extensive oral evaluation - problem
focused, by report
⩥ D0170. Answer: Re-evaluation - limited, problem focused
(established patient; not post-operative visit
⩥ D0180. Answer: Comprehensive periodontal evaluation - new or
established patient
⩥ D0190. Answer: screening of a patient
⩥ D0191. Answer: Assessment of a patient
, ⩥ D0210. Answer: Intraoral - complete series of radiographic images -
once every 3-5 years
⩥ D0220. Answer: intraoral-periapical first radiographic image
⩥ D0230. Answer: Periapical - additional
⩥ D0240. Answer: Intraoral occlusal radiographic image
⩥ D0270. Answer: Bitewing - single radiographic image
⩥ D0272. Answer: Bitewings- two radiographic images
⩥ D0273. Answer: Bitewings- three radiographic images
⩥ D0274. Answer: Bitewings- four radiographic images
⩥ D0277. Answer: Vertical Bitewings - 7-8 radiographic images
⩥ D0330. Answer: Panoramic film
QUESTIONS WITH ANSWERS GRADED A+
⩥ D0140. Answer: Limited oral evaluation - problem focused
⩥ D0145. Answer: Oral evaluation for a patient under three years of age
and counseling with primary caregiver
⩥ D0150. Answer: Comprehensive oral evaluation - new patients first
visit.
⩥ D0160. Answer: Detailed and extensive oral evaluation - problem
focused, by report
⩥ D0170. Answer: Re-evaluation - limited, problem focused
(established patient; not post-operative visit
⩥ D0180. Answer: Comprehensive periodontal evaluation - new or
established patient
⩥ D0190. Answer: screening of a patient
⩥ D0191. Answer: Assessment of a patient
, ⩥ D0210. Answer: Intraoral - complete series of radiographic images -
once every 3-5 years
⩥ D0220. Answer: intraoral-periapical first radiographic image
⩥ D0230. Answer: Periapical - additional
⩥ D0240. Answer: Intraoral occlusal radiographic image
⩥ D0270. Answer: Bitewing - single radiographic image
⩥ D0272. Answer: Bitewings- two radiographic images
⩥ D0273. Answer: Bitewings- three radiographic images
⩥ D0274. Answer: Bitewings- four radiographic images
⩥ D0277. Answer: Vertical Bitewings - 7-8 radiographic images
⩥ D0330. Answer: Panoramic film
