IOWA DENTAL BOARD JURISPRUDENCE EXAM
ACTUAL 2026/2027, PRACTICE QUESTIONS
AND STUDY GUIDE COMPLETE ACCURATE
EXAM QUESTIONS AND CORRECT VERIFIED
ANSWERS WITH DETAILED RATIONALES Instant
Download Pdf..
Note: Dental jurisprudence is state-specific. These questions reflect common themes
found across multiple state board exams (Minnesota, Colorado, Iowa, Arizona). Always
verify against your specific state's Dental Practice Act.
Section A: Levels of Supervision (1–8)
1. A dentist has prior knowledge of procedures and has given consent, but is not
required to be present in the office. This describes:
A) Direct supervision
B) Indirect supervision
C) General supervision
D) Personal supervision
Answer: C
General supervision means the dentist has authorized the procedures and is not required
to be physically present in the office or on the premises.
2. A dentist is in the office, authorizes procedures, and remains on-site while an
allied dental professional performs treatment. This is:
A) General supervision
B) Indirect supervision
,C) Personal supervision
D) Direct supervision
Answer: B
Indirect supervision requires the dentist to be in the office and available to evaluate the
procedure, though not necessarily in the same treatment room.
3. A dentist personally diagnoses the condition, authorizes the procedure, and
evaluates the result before patient dismissal. This level is:
A) General supervision
B) Indirect supervision
C) Direct supervision
D) Personal supervision
Answer: C
Direct supervision requires the dentist to be physically present during the procedure and to
personally evaluate the performance before dismissal.
4. Which level of supervision applies when a dentist is personally treating a patient
and authorizes allied personnel to concurrently perform supportive procedures?
A) Direct supervision
B) General supervision
C) Indirect supervision
D) Personal supervision
Answer: D
Personal supervision means the dentist is personally operating and the auxiliary aids
concurrently in treatment.
5. A dental hygienist may perform prophylaxis (scaling, root planing, polishing)
under which supervision level?
A) Personal supervision only
,B) Direct supervision only
C) General supervision
D) Indirect supervision only
Answer: C
Prophylaxis is typically performed under general supervision, meaning the dentist need
not be present in the office.
6. Taking radiographs may be delegated to a licensed dental assistant (LDA) under:
A) Direct supervision only
B) General supervision
C) Personal supervision only
D) No supervision
Answer: B
Radiograph exposure is commonly allowed under general supervision for licensed dental
assistants, provided the dentist has authorized it.
7. Which supervision level is required for a dental assistant to remove excess
cement from orthodontic appliances using rotary instruments?
A) General
B) Indirect
C) Direct
D) Personal
Answer: C
Use of rotary instruments for cement removal requires direct supervision due to the risk of
damage to tooth structure.
8. Administering local anesthesia by a dental hygienist or dental therapist requires
which supervision level?
A) General
, B) Indirect
C) Direct
D) Personal
Answer: C
Local anesthesia administration is a direct supervision function; the dentist must be
physically present.
Section B: Scope of Practice (9–16)
9. Which of the following may a dental hygienist perform under general
supervision?
A) Administer local anesthesia
B) Place temporary fillings
C) Perform root planing
D) Place and remove rubber dam
Answer: C
Root planing is within the dental hygienist's general supervision scope. Local anesthesia
requires direct supervision, and rubber dam placement requires indirect or direct
depending on state.
10. Which procedure may NOT be delegated to a dental assistant?
A) Expose radiographs
B) Place sealants (after accredited course)
C) Administer local anesthesia
D) Take preliminary impressions
Answer: C
Local anesthesia administration is limited to dentists, dental hygienists, and in some
states, dental therapists—not dental assistants.
ACTUAL 2026/2027, PRACTICE QUESTIONS
AND STUDY GUIDE COMPLETE ACCURATE
EXAM QUESTIONS AND CORRECT VERIFIED
ANSWERS WITH DETAILED RATIONALES Instant
Download Pdf..
Note: Dental jurisprudence is state-specific. These questions reflect common themes
found across multiple state board exams (Minnesota, Colorado, Iowa, Arizona). Always
verify against your specific state's Dental Practice Act.
Section A: Levels of Supervision (1–8)
1. A dentist has prior knowledge of procedures and has given consent, but is not
required to be present in the office. This describes:
A) Direct supervision
B) Indirect supervision
C) General supervision
D) Personal supervision
Answer: C
General supervision means the dentist has authorized the procedures and is not required
to be physically present in the office or on the premises.
2. A dentist is in the office, authorizes procedures, and remains on-site while an
allied dental professional performs treatment. This is:
A) General supervision
B) Indirect supervision
,C) Personal supervision
D) Direct supervision
Answer: B
Indirect supervision requires the dentist to be in the office and available to evaluate the
procedure, though not necessarily in the same treatment room.
3. A dentist personally diagnoses the condition, authorizes the procedure, and
evaluates the result before patient dismissal. This level is:
A) General supervision
B) Indirect supervision
C) Direct supervision
D) Personal supervision
Answer: C
Direct supervision requires the dentist to be physically present during the procedure and to
personally evaluate the performance before dismissal.
4. Which level of supervision applies when a dentist is personally treating a patient
and authorizes allied personnel to concurrently perform supportive procedures?
A) Direct supervision
B) General supervision
C) Indirect supervision
D) Personal supervision
Answer: D
Personal supervision means the dentist is personally operating and the auxiliary aids
concurrently in treatment.
5. A dental hygienist may perform prophylaxis (scaling, root planing, polishing)
under which supervision level?
A) Personal supervision only
,B) Direct supervision only
C) General supervision
D) Indirect supervision only
Answer: C
Prophylaxis is typically performed under general supervision, meaning the dentist need
not be present in the office.
6. Taking radiographs may be delegated to a licensed dental assistant (LDA) under:
A) Direct supervision only
B) General supervision
C) Personal supervision only
D) No supervision
Answer: B
Radiograph exposure is commonly allowed under general supervision for licensed dental
assistants, provided the dentist has authorized it.
7. Which supervision level is required for a dental assistant to remove excess
cement from orthodontic appliances using rotary instruments?
A) General
B) Indirect
C) Direct
D) Personal
Answer: C
Use of rotary instruments for cement removal requires direct supervision due to the risk of
damage to tooth structure.
8. Administering local anesthesia by a dental hygienist or dental therapist requires
which supervision level?
A) General
, B) Indirect
C) Direct
D) Personal
Answer: C
Local anesthesia administration is a direct supervision function; the dentist must be
physically present.
Section B: Scope of Practice (9–16)
9. Which of the following may a dental hygienist perform under general
supervision?
A) Administer local anesthesia
B) Place temporary fillings
C) Perform root planing
D) Place and remove rubber dam
Answer: C
Root planing is within the dental hygienist's general supervision scope. Local anesthesia
requires direct supervision, and rubber dam placement requires indirect or direct
depending on state.
10. Which procedure may NOT be delegated to a dental assistant?
A) Expose radiographs
B) Place sealants (after accredited course)
C) Administer local anesthesia
D) Take preliminary impressions
Answer: C
Local anesthesia administration is limited to dentists, dental hygienists, and in some
states, dental therapists—not dental assistants.
