✅ NC Dental Rules — ORIGINAL
PRACTICE QUESTIONS and correct
answers solutions _ Rationales (1–200)
Each includes:
● Question
● Correct Answer
● Rationale
1. Which body has legal authority to enforce dental laws in North Carolina?
Answer: C. North Carolina State Board of Dental Examiners
Rationale: The NCSBDE is established by statute to enforce dental laws, issue licenses, and
regulate practice.
2. A dentist must renew their North Carolina dental license by which month
each year?
Answer: B. January
Rationale: NC renewals are due by the end of January annually.
3. Failure to renew a dental license by the deadline results in:
Answer: D. Lapsed license
Rationale: After the expiration period, the license becomes lapsed and cannot be used for
practice.
4. Which professional may take radiographs under NC rules?
,Answer: B. DA II under direct supervision
Rationale: NC allows DAII to expose radiographs when the dentist is in the facility.
5. What is the minimum CE required for NC dentists annually?
Answer: C. 15 hours
Rationale: NC requires 15 hours of continuing education for dentists each year.
6. Which of the following is considered "direct supervision" in NC?
Answer: A. Dentist on premises and available
Rationale: Direct supervision requires physical presence in the office.
7. NC requires dental records to be kept for a minimum of:
Answer: B. 10 years
Rationale: Standard record retention guidelines followed by NC rule policies.
8. A dentist delegates a procedure to a DA who is not trained. This is a
violation of:
Answer: D. Unprofessional conduct
Rationale: Delegating acts to unqualified personnel is prohibited.
9. Which task may a DA I NOT perform in NC?
Answer: C. Polish coronal surfaces with a slow-speed handpiece
Rationale: Coronal polishing is a DAII function under supervision.
10. A hygienist in NC may administer local anesthetic under what
conditions?
,Answer: B. After completing approved training
Rationale: NC authorizes trained dental hygienists to administer infiltrations.
11. Sedation permits in NC must be renewed:
Answer: A. Annually
Rationale: Sedation certification must be renewed every year.
12. Failure to maintain infection-control standards could result in:
Answer: D. Disciplinary action
Rationale: Infection control is a legal obligation for all dental professionals.
13. The legal owner of dental records in NC is:
Answer: A. The dentist
Rationale: Records belong to the dentist, but patients have rights to access.
14. A hygienist may place sealants in NC under:
Answer: C. Indirect supervision
Rationale: Dentist must be present in the facility but not necessarily in the room.
15. Which of the following requires a written informed consent?
Answer: D. Surgical extractions
Rationale: Invasive procedures require written documentation.
16. The NC Dental Board must be notified of a change in practice address
within:
Answer: B. 30 days
Rationale: Licensees must update the Board with current practice information.
, 17. A dentist may dismiss a patient only after:
Answer: A. Providing emergency care and reasonable notice
Rationale: Abandonment rules require adequate transition.
18. A DA II may perform which task?
Answer: C. Take alginate impressions
Rationale: DAII expanded duties include impressions for study models.
19. A hygienist may perform scaling under:
Answer: A. Direct supervision
Rationale: NC requires dentist presence during hygiene procedures.
20. Which sedation level requires a special NC permit?
Answer: D. Moderate sedation
Rationale: Minimal sedation may not require a permit, but moderate does.
21. Who may legally diagnose caries in NC?
Answer: C. Dentist only
Rationale: Diagnosis is restricted to licensed dentists.
22. Fraudulent chart entries are considered:
Answer: D. Grounds for license revocation
Rationale: Fraud is one of the most serious disciplinary violations.
23. Which is allowed for DA I under supervision?
PRACTICE QUESTIONS and correct
answers solutions _ Rationales (1–200)
Each includes:
● Question
● Correct Answer
● Rationale
1. Which body has legal authority to enforce dental laws in North Carolina?
Answer: C. North Carolina State Board of Dental Examiners
Rationale: The NCSBDE is established by statute to enforce dental laws, issue licenses, and
regulate practice.
2. A dentist must renew their North Carolina dental license by which month
each year?
Answer: B. January
Rationale: NC renewals are due by the end of January annually.
3. Failure to renew a dental license by the deadline results in:
Answer: D. Lapsed license
Rationale: After the expiration period, the license becomes lapsed and cannot be used for
practice.
4. Which professional may take radiographs under NC rules?
,Answer: B. DA II under direct supervision
Rationale: NC allows DAII to expose radiographs when the dentist is in the facility.
5. What is the minimum CE required for NC dentists annually?
Answer: C. 15 hours
Rationale: NC requires 15 hours of continuing education for dentists each year.
6. Which of the following is considered "direct supervision" in NC?
Answer: A. Dentist on premises and available
Rationale: Direct supervision requires physical presence in the office.
7. NC requires dental records to be kept for a minimum of:
Answer: B. 10 years
Rationale: Standard record retention guidelines followed by NC rule policies.
8. A dentist delegates a procedure to a DA who is not trained. This is a
violation of:
Answer: D. Unprofessional conduct
Rationale: Delegating acts to unqualified personnel is prohibited.
9. Which task may a DA I NOT perform in NC?
Answer: C. Polish coronal surfaces with a slow-speed handpiece
Rationale: Coronal polishing is a DAII function under supervision.
10. A hygienist in NC may administer local anesthetic under what
conditions?
,Answer: B. After completing approved training
Rationale: NC authorizes trained dental hygienists to administer infiltrations.
11. Sedation permits in NC must be renewed:
Answer: A. Annually
Rationale: Sedation certification must be renewed every year.
12. Failure to maintain infection-control standards could result in:
Answer: D. Disciplinary action
Rationale: Infection control is a legal obligation for all dental professionals.
13. The legal owner of dental records in NC is:
Answer: A. The dentist
Rationale: Records belong to the dentist, but patients have rights to access.
14. A hygienist may place sealants in NC under:
Answer: C. Indirect supervision
Rationale: Dentist must be present in the facility but not necessarily in the room.
15. Which of the following requires a written informed consent?
Answer: D. Surgical extractions
Rationale: Invasive procedures require written documentation.
16. The NC Dental Board must be notified of a change in practice address
within:
Answer: B. 30 days
Rationale: Licensees must update the Board with current practice information.
, 17. A dentist may dismiss a patient only after:
Answer: A. Providing emergency care and reasonable notice
Rationale: Abandonment rules require adequate transition.
18. A DA II may perform which task?
Answer: C. Take alginate impressions
Rationale: DAII expanded duties include impressions for study models.
19. A hygienist may perform scaling under:
Answer: A. Direct supervision
Rationale: NC requires dentist presence during hygiene procedures.
20. Which sedation level requires a special NC permit?
Answer: D. Moderate sedation
Rationale: Minimal sedation may not require a permit, but moderate does.
21. Who may legally diagnose caries in NC?
Answer: C. Dentist only
Rationale: Diagnosis is restricted to licensed dentists.
22. Fraudulent chart entries are considered:
Answer: D. Grounds for license revocation
Rationale: Fraud is one of the most serious disciplinary violations.
23. Which is allowed for DA I under supervision?
