DENTAL SCIENCE-HOSA exam questions
with correct answers 2026-2027
Mouth Mirror - CORRECT ANSWER -indirect vision within the mouth/to retract lips, cheeks, and tongue
Explorers - CORRECT ANSWER -to examine teeth for decay
1.Orban
2. Pigtail
3. Shepherds Hook
Cotton Forceps - CORRECT ANSWER -to grasp or transfer items
Instrument Handles - CORRECT ANSWER -
small round 1/4, standard hollow 5/16, lightweight 3/8, satin steel
Basic Tray Setup - CORRECT ANSWER -Mouth Mirror
Pigtail Explorer
Cotton Forceps
Parts of an Instrument - CORRECT ANSWER -Handle
Shank
Working End
Three-Number Instrument - CORRECT ANSWER -
Four-Number Instrument - CORRECT ANSWER -
Enamel Hatchet - CORRECT ANSWER -
to clean and smooth walls in cavity prep; to remove enamel not supported by dentin
*push motion*
, Enamel Hoe - CORRECT ANSWER -to clean and smooth floor and walls in cavity prep
*pulling motion*
Straight Chisel - CORRECT ANSWER -to plane and cleave enamel in cavity prep.
*push motion*
Wedelstaedt Chisel - CORRECT ANSWER -to plane and cleave enamel in cavity prep/curved blade
*push motion*
Binangle Chisel - CORRECT ANSWER -to plane and cleave enamel in cavity prep/2 angles in shank
*push motion*
Angle Former - CORRECT ANSWER -
to make lines and points of angles clearer and to clean out tooth for cavity prep.
Gingival Margin Trimmer: Mesial and Distal - CORRECT ANSWER -
to bevel cervical walls of mesial and distal retention areas
Spoon Excavators - CORRECT ANSWER -to remove carious dentin
Spoon Excavators secondary functions - CORRECT ANSWER -
to remove temporary crowns/temporary cement/ permanent crown during try-in
Anesthetic Aspirating Syringe - CORRECT ANSWER -to administer a local anesthetic
Short Needle - CORRECT ANSWER -to administer an anesthetic by injection on maxillary arch
Long needle - CORRECT ANSWER -to administer anesthetic by block injection to mandibular arch
with correct answers 2026-2027
Mouth Mirror - CORRECT ANSWER -indirect vision within the mouth/to retract lips, cheeks, and tongue
Explorers - CORRECT ANSWER -to examine teeth for decay
1.Orban
2. Pigtail
3. Shepherds Hook
Cotton Forceps - CORRECT ANSWER -to grasp or transfer items
Instrument Handles - CORRECT ANSWER -
small round 1/4, standard hollow 5/16, lightweight 3/8, satin steel
Basic Tray Setup - CORRECT ANSWER -Mouth Mirror
Pigtail Explorer
Cotton Forceps
Parts of an Instrument - CORRECT ANSWER -Handle
Shank
Working End
Three-Number Instrument - CORRECT ANSWER -
Four-Number Instrument - CORRECT ANSWER -
Enamel Hatchet - CORRECT ANSWER -
to clean and smooth walls in cavity prep; to remove enamel not supported by dentin
*push motion*
, Enamel Hoe - CORRECT ANSWER -to clean and smooth floor and walls in cavity prep
*pulling motion*
Straight Chisel - CORRECT ANSWER -to plane and cleave enamel in cavity prep.
*push motion*
Wedelstaedt Chisel - CORRECT ANSWER -to plane and cleave enamel in cavity prep/curved blade
*push motion*
Binangle Chisel - CORRECT ANSWER -to plane and cleave enamel in cavity prep/2 angles in shank
*push motion*
Angle Former - CORRECT ANSWER -
to make lines and points of angles clearer and to clean out tooth for cavity prep.
Gingival Margin Trimmer: Mesial and Distal - CORRECT ANSWER -
to bevel cervical walls of mesial and distal retention areas
Spoon Excavators - CORRECT ANSWER -to remove carious dentin
Spoon Excavators secondary functions - CORRECT ANSWER -
to remove temporary crowns/temporary cement/ permanent crown during try-in
Anesthetic Aspirating Syringe - CORRECT ANSWER -to administer a local anesthetic
Short Needle - CORRECT ANSWER -to administer an anesthetic by injection on maxillary arch
Long needle - CORRECT ANSWER -to administer anesthetic by block injection to mandibular arch
