1|Page
Hosa Dental Terminology Exam|Actual
Questions And Well Defined Answers
2026
Maximum Permissible Dose (MPD) - correct-answer -highest rate of radiation
exposure
Roentgen (R) - correct-answer -basic unit of exposure to radiation; C/kg
Rad (radiation absorbed dose) - correct-answer -unit of absorbed radiation; Gy
Rem (roentgen equivalent measure) - correct-answer -unit of radiation needed to
produced same biological effect of one R; Sv
Erythema Dose - correct-answer -radiation overdose that produces redness of the
skin
,2|Page
Dosimeter - correct-answer -device to measure the amount of stray/secondary
radiation
Lead Barriers, Shields - correct-answer -device that blocks out scattered radiation
Phantom - correct-answer -device used for practice in learning radiation-exposure
techniques; Dexter
Express Contract - correct-answer -Verbal or written words that are agreed on in
an established contract
Liner applicator - correct-answer -To place calcium hydroxide or glass ionomer in
cavity preparation.
Amalgam plugger - correct-answer -used to pack amalgam into tooth
Sterilize - correct-answer -the process where ALL forms of life are completely
destroyed. This includes all microorganisms; bacteria, fungi, viruses and bacterial
spores. (Eg - autoclave, chemical vapor sterilization and dry heat sterilization)
,3|Page
Disinfect - correct-answer -the process where SOME forms of microorganisms are
destroyed. it does not destroy spores and resistant viruses.
Sanitize - correct-answer -the process that cleans and destroys FEW
microorganisms
Distal - correct-answer -farthest from the midline
Root Canal Therapy - correct-answer -process of removing pulp of a tooth and
filling it with an inert material.
palate - correct-answer -hard and soft tissue forming the roof of the mouth
Broad-spectrum activity - correct-answer -capable of killing a wide variety of
microbes
, 4|Page
Bioburden - correct-answer -any visible organic debris, blood saliva and other
body fluids
Unerupted tooth - correct-answer -a tooth that has not pushed through the gum
and assumed its correct position in the dental arch
quadrant - correct-answer -1/2 of one dental arch
abfraction - correct-answer -loss of tooth surface in cervical area
ameloblast - correct-answer -enamel forming cells
angle of the mandible - correct-answer -area from which the ramus ascends on
the lower border of the mandible
apex - correct-answer -root end of tooth
Hosa Dental Terminology Exam|Actual
Questions And Well Defined Answers
2026
Maximum Permissible Dose (MPD) - correct-answer -highest rate of radiation
exposure
Roentgen (R) - correct-answer -basic unit of exposure to radiation; C/kg
Rad (radiation absorbed dose) - correct-answer -unit of absorbed radiation; Gy
Rem (roentgen equivalent measure) - correct-answer -unit of radiation needed to
produced same biological effect of one R; Sv
Erythema Dose - correct-answer -radiation overdose that produces redness of the
skin
,2|Page
Dosimeter - correct-answer -device to measure the amount of stray/secondary
radiation
Lead Barriers, Shields - correct-answer -device that blocks out scattered radiation
Phantom - correct-answer -device used for practice in learning radiation-exposure
techniques; Dexter
Express Contract - correct-answer -Verbal or written words that are agreed on in
an established contract
Liner applicator - correct-answer -To place calcium hydroxide or glass ionomer in
cavity preparation.
Amalgam plugger - correct-answer -used to pack amalgam into tooth
Sterilize - correct-answer -the process where ALL forms of life are completely
destroyed. This includes all microorganisms; bacteria, fungi, viruses and bacterial
spores. (Eg - autoclave, chemical vapor sterilization and dry heat sterilization)
,3|Page
Disinfect - correct-answer -the process where SOME forms of microorganisms are
destroyed. it does not destroy spores and resistant viruses.
Sanitize - correct-answer -the process that cleans and destroys FEW
microorganisms
Distal - correct-answer -farthest from the midline
Root Canal Therapy - correct-answer -process of removing pulp of a tooth and
filling it with an inert material.
palate - correct-answer -hard and soft tissue forming the roof of the mouth
Broad-spectrum activity - correct-answer -capable of killing a wide variety of
microbes
, 4|Page
Bioburden - correct-answer -any visible organic debris, blood saliva and other
body fluids
Unerupted tooth - correct-answer -a tooth that has not pushed through the gum
and assumed its correct position in the dental arch
quadrant - correct-answer -1/2 of one dental arch
abfraction - correct-answer -loss of tooth surface in cervical area
ameloblast - correct-answer -enamel forming cells
angle of the mandible - correct-answer -area from which the ramus ascends on
the lower border of the mandible
apex - correct-answer -root end of tooth
