Illinois Dentist Jurisprudence Exam —
100-Question Advanced Practice Exam
2026 | Questions & Answers with
Detailed Rationales | Complete Exam
Prep & Study Guide
1. Under the Illinois Dental Practice Act, which statement best describes the
fundamental requirement for practicing dentistry in Illinois?
A. A person may practice under the supervision of a licensed dentist while the
license application is pending.
B. A person may practice independently after graduating from an accredited
dental school.
C. A person must apply for and obtain an Illinois dental license before practicing
dentistry.
D. A person may practice for up to 90 days before obtaining a license.
Answer: A person must apply for and obtain an Illinois dental license before
practicing dentistry.
Rationale: Illinois law requires licensure before a person practices dentistry.
Graduation or pending licensure does not independently authorize practice.
, 2. Which activity falls within the statutory definition of practicing dentistry in
Illinois?
A. Scheduling dental appointments
B. Processing insurance claims
C. Diagnosing or treating a disease or physical condition involving the teeth,
gums, alveolar process, or jaw
D. Ordering office supplies
Answer: Diagnosing or treating a disease or physical condition involving the
teeth, gums, alveolar process, or jaw
Rationale: Illinois specifically includes diagnosing, treating, prescribing, or
operating for conditions involving the teeth, alveolar process, gums, and jaw
within the practice of dentistry.
3. A person who uses an X-ray machine for dental diagnostic purposes may be
considered to be practicing dentistry under Illinois law. Which statement is
most accurate?
A. Only a dentist can ever expose a dental X-ray.
B. X-ray use is unrelated to the statutory definition of dentistry.
C. Use of an X-ray machine or dental X-ray films for diagnostic purposes is
included in the statutory definition of dental practice.
D. X-rays are considered administrative services.
Answer: Use of an X-ray machine or dental X-ray films for diagnostic purposes is
included in the statutory definition of dental practice.
Rationale: Section 17 expressly identifies use of an X-ray machine or X-ray films
for dental diagnostic purposes as an act constituting the practice of dentistry.
4. Which individual would most clearly violate Illinois law by independently
performing an extraction without appropriate licensure?
A. A licensed dentist
B. A properly authorized dental professional acting within statutory authority
,C. An unlicensed individual who extracts a human tooth
D. A dental student performing a permitted educational procedure under
appropriate supervision
Answer: An unlicensed individual who extracts a human tooth
Rationale: Extraction of human teeth is expressly included among acts
constituting the practice of dentistry, and unauthorized practice is prohibited.
5. A dentist moves to another office but does not update required
information with the Department. Which principle is most important?
A. The dentist never has to update Department information after initial licensure.
B. Only the employer must report the change.
C. The licensee has a responsibility to keep required address information current
with the Department.
D. Address information is relevant only during the initial application.
Answer: The licensee has a responsibility to keep required address information
current with the Department.
Rationale: Illinois licensing provisions place obligations on applicants and
licensees concerning their address of record and related contact information.
6. A dentist's license is inactive or non-renewed, but the dentist continues
treating patients. What is the legal concern?
A. No concern exists if the dentist has previously been licensed.
B. The dentist may practice for six months.
C. The dentist may be engaging in unlawful practice because an inactive or non-
renewed license does not authorize practice.
D. Only the dental office can be penalized.
Answer: The dentist may be engaging in unlawful practice because an inactive
or non-renewed license does not authorize practice.
Rationale: Illinois specifically identifies practicing while a license is suspended,
revoked, inactive, or non-renewed as unlawful conduct.
, 7. What is the Illinois Dental Practice Act commonly cited as?
A. Illinois Dental Licensing Code
B. Illinois Oral Health Act
C. Illinois Dental Practice Act
D. Illinois Dental Examination Act
Answer: Illinois Dental Practice Act
Rationale: The statute expressly provides that the Act may be cited as the Illinois
Dental Practice Act.
8. Which governmental entity is responsible for professional regulation under
the Illinois Dental Practice Act?
A. Illinois Department of Public Health exclusively
B. Illinois State Board of Education
C. Illinois Department of Financial and Professional Regulation
D. Illinois Department of Revenue
Answer: Illinois Department of Financial and Professional Regulation
Rationale: IDFPR administers professional licensing and regulation, with the
Board of Dentistry serving its statutory role.
9. A dentist is asked to display the dental license in the office. What does
Illinois law require?
A. Display is optional.
B. The license must be kept in a locked cabinet.
C. The license or duplicate original must be displayed in a conspicuous place in
the office where the dentist practices.
D. The license must be displayed only at the dentist's primary residence.
Answer: The license or duplicate original must be displayed in a conspicuous
place in the office where the dentist practices.