Dental ADEX CDCA PREPARATION TEST
2026 QUESTIONS AND CORRECT ANSWERS
GRADED A+
● What is the definition of ACC? Answer: Adheres to Criteria
● What is the definition of DEF? Answer: Critical Deficiency
● What is the placement of the access opening for ACC? Answer: On
the lingual surface directly over the pulp chamber, allows for complete
debridement of pulp chamber and straight-line access to root canal
system
DONT MADE IT TOO SMALL, DON'T MAKE IT TOO BIG- KEEP
MEASURING KEEP IT SMOOTH AND DRAW IT ON THE TOOTH
after rubber dam
● What is the placement of the access opening for DEF? Answer: Not
over the pulp chamber, does not allow complete debridement of pulp
chamber or access to root canal system
● What are the criteria for ACC in the access opening? Answer: Incisal
aspect ≥ 2.0 mm from incisal edge, cervical aspect ≥ 3.0 mm from
lingual CEJ, widest portion mesio-distally ≤ 1⁄2 of lingual surface, size
allows for complete removal of pulp horns
2026 QUESTIONS AND CORRECT ANSWERS
GRADED A+
● What is the definition of ACC? Answer: Adheres to Criteria
● What is the definition of DEF? Answer: Critical Deficiency
● What is the placement of the access opening for ACC? Answer: On
the lingual surface directly over the pulp chamber, allows for complete
debridement of pulp chamber and straight-line access to root canal
system
DONT MADE IT TOO SMALL, DON'T MAKE IT TOO BIG- KEEP
MEASURING KEEP IT SMOOTH AND DRAW IT ON THE TOOTH
after rubber dam
● What is the placement of the access opening for DEF? Answer: Not
over the pulp chamber, does not allow complete debridement of pulp
chamber or access to root canal system
● What are the criteria for ACC in the access opening? Answer: Incisal
aspect ≥ 2.0 mm from incisal edge, cervical aspect ≥ 3.0 mm from
lingual CEJ, widest portion mesio-distally ≤ 1⁄2 of lingual surface, size
allows for complete removal of pulp horns