HOSA Dental Science Exam || Newest
Exam With Questions And Well
Verified Answers|| Graded A+
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
Anesthetic Cartridge -CORRECT ANSWER to hold liquid anesthetic for local anesthetic
injection
Anesthetic Cartridge/Blister Packs -CORRECT ANSWER to hold liquid anesthetic:
varied
Recapping Device -CORRECT ANSWER to hold needle sheath for one-hand recapping
Computer-Controlled Local Anesthetic Delivery System -CORRECT ANSWER to
improve ergonomics and precision of anesthetic delivery
Nitrous Oxide and Analgesic Tanks -CORRECT ANSWER to relax patients for dental
procedures
Nitrous Oxide Nose Mask -CORRECT ANSWER to evacuate excess nitrous oxide
Nitrous Oxide and Oxygen Flowmeter -CORRECT ANSWER to monitor N2O and O2
that is given to patient
Local Anesthetic Syringe Tray Setup -CORRECT ANSWER Anesthetic Aspirating
Syringe
Long Needle
, Short Needle
Anesthetic Cartridge
Needle Stick Protector
Topical Anesthetic
High-Volume Evacuator Tip -CORRECT ANSWER to evacuate large vol. of fluid and
debris
Low-Volume Saliva Ejector Tip -CORRECT ANSWER to evacuate smaller vol. of fluid
Dryfield Illuminator -CORRECT ANSWER to retract tongue; to provide light; to gently
hold open mouth; to serve as barrier for airway
Attached to high-vol. evacuation port
Low-Volume Mandibular Evacuator -CORRECT ANSWER to evacuate smaller vol. of
fluid; to use on mandibular arch; to retract tongue during evacuation
High-Volume Surgical Evacuation Tip -CORRECT ANSWER to evacuate fluid from
surgical site
Air/Water Syringe with Removable Tip -CORRECT ANSWER to rinse/dry specific teeth
or entire mouth
Self Contained Water Unit and Waterline Treatment Tablets -CORRECT ANSWER to
assist in the quality of water entering the dental unit that supplies water to the hand
pieces
Dental Delivery System -CORRECT ANSWER to deliver dental care to patients
Dental Assistant Delivery System -CORRECT ANSWER to deliver dental care to patient
as a chair side assistant
Characteristics: 1. Saliva ejector to low vol. tubing
2. Air/Water syringe and tip
3. High-vol. evacuator tip
4. Light curing device with protective shield
5. Bracket table
High-Speed Handpiece -CORRECT ANSWER to use with bur to cut tooth with
decay/dental anomalies
max. speed of 450,000 rotations per minute
Fiberoptic High-Speed Handpiece -CORRECT ANSWER to illuminate tooth during
prep. for restoration
to use with bur to cut tooth with decay/dental
Exam With Questions And Well
Verified Answers|| Graded A+
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
Anesthetic Cartridge -CORRECT ANSWER to hold liquid anesthetic for local anesthetic
injection
Anesthetic Cartridge/Blister Packs -CORRECT ANSWER to hold liquid anesthetic:
varied
Recapping Device -CORRECT ANSWER to hold needle sheath for one-hand recapping
Computer-Controlled Local Anesthetic Delivery System -CORRECT ANSWER to
improve ergonomics and precision of anesthetic delivery
Nitrous Oxide and Analgesic Tanks -CORRECT ANSWER to relax patients for dental
procedures
Nitrous Oxide Nose Mask -CORRECT ANSWER to evacuate excess nitrous oxide
Nitrous Oxide and Oxygen Flowmeter -CORRECT ANSWER to monitor N2O and O2
that is given to patient
Local Anesthetic Syringe Tray Setup -CORRECT ANSWER Anesthetic Aspirating
Syringe
Long Needle
, Short Needle
Anesthetic Cartridge
Needle Stick Protector
Topical Anesthetic
High-Volume Evacuator Tip -CORRECT ANSWER to evacuate large vol. of fluid and
debris
Low-Volume Saliva Ejector Tip -CORRECT ANSWER to evacuate smaller vol. of fluid
Dryfield Illuminator -CORRECT ANSWER to retract tongue; to provide light; to gently
hold open mouth; to serve as barrier for airway
Attached to high-vol. evacuation port
Low-Volume Mandibular Evacuator -CORRECT ANSWER to evacuate smaller vol. of
fluid; to use on mandibular arch; to retract tongue during evacuation
High-Volume Surgical Evacuation Tip -CORRECT ANSWER to evacuate fluid from
surgical site
Air/Water Syringe with Removable Tip -CORRECT ANSWER to rinse/dry specific teeth
or entire mouth
Self Contained Water Unit and Waterline Treatment Tablets -CORRECT ANSWER to
assist in the quality of water entering the dental unit that supplies water to the hand
pieces
Dental Delivery System -CORRECT ANSWER to deliver dental care to patients
Dental Assistant Delivery System -CORRECT ANSWER to deliver dental care to patient
as a chair side assistant
Characteristics: 1. Saliva ejector to low vol. tubing
2. Air/Water syringe and tip
3. High-vol. evacuator tip
4. Light curing device with protective shield
5. Bracket table
High-Speed Handpiece -CORRECT ANSWER to use with bur to cut tooth with
decay/dental anomalies
max. speed of 450,000 rotations per minute
Fiberoptic High-Speed Handpiece -CORRECT ANSWER to illuminate tooth during
prep. for restoration
to use with bur to cut tooth with decay/dental
