Exam 2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
,*general supervision The dentist has prior knowledge and has given consent for the procedures being
performed during which the dentist is not required to be present in the dental office
or on the premises.
*indirect The dentist is in the office, authorizes the procedures, and remains in the office
while the procedures are being performed by the allied dental personnel.
direct The dentist is in the dental office, personally diagnoses the condition to be treated,
personally authorizes the procedure, and before dismissal of the patient, evaluates
the performance of the allied dental personnel.
personal The dentist is personally operating on a patient and authorizes the allied dental
personnel to aid in treatment by concurrently performing supportive procedures.
DH, DT or DA must do these before administering nitrous take a course with a minimum of 12 hours total comprised of didactic instruction,
personally administering and managing at least 3 individual supervised cases
who can place sealants after completing a course by a DH, DT, DA
school accredited by the commission on dental
accreditation?
*WHO can give local anesthesia after completing a course DH and DT (not DA)
on local anesthesia from a school accredited by the
Commission on Dental Accreditation
*Dental hygienists and licensed dental assistants shall not Final construction
take impressions and bite registrations for _____________
of fixed and removable prostheses.
*Before removal of bond material, a dental hygienist or rotary instruments
licensed dental assistant must successfully complete a
course in the use of ____________ for the express
purpose of the removal of bond material from teeth.
Scope of Practice ---
DH and DA with restorative functions can place, contour, Class I, II, V
and adjust amalgam, glass ionomers, and stainless steel - a dental hygienist or dental assistant must successfully complete a board
crowns on class _______ approved course on these specific restorative procedures.
(supragingival)
application of pit and fissure sealants DH - general
LDA - indirect
, *Administer LA DH - general
*monitor a patient on nitrous DH - General
LDA - Indirect
T/F -- DH or LDA shall NOT take impressions and bite True
registrations for the FINAL construction of fixed and
removable prostheses.
*Utilizing rotary instruments for the removal of bond DH - indirect
material from teeth LDA - indirect
Performing any or all restorative procedures limited to DH - indirect
placing, contouring, & adjusting amalgam, glass ionomers, LDA - indirect
and Class I and V supra composite restorations
*managing and removing IV lines DH - indirect
LDA - indirect
*placing an IV line DH - direct
LDA - direct
administering any medications or agents Personal DH and RDA
*Perform preliminary charting including assessments and DH - general
existing restoration, determine the perio status, and
formulate the DH tx plan in coordination with DDS
*make referrals in consultation with DDS DH - general
*complete prophy with scaling, root planing, and polishing DH - general
restorations
dietary and nutritional counseling DH - general