HOSA - Dental Science WITH QUESTIONS
AND 100% CORRECT ANSWERS
Mouth Mirror - ANS indirect vision within the mouth/to retract lips, cheeks, and
tongue
Explorers - ANS to examine teeth for decay
1.Orban
2.Pigtail
3.Shepherds Hook
Cotton Forceps - ANS to grasp or transfer items
Instrument Handles - ANS small round 1/4, standard hollow 5/16, lightweight 3/8,
satin steel
Basic Tray Setup - ANS Mouth Mirror
Pigtail Explorer
Cotton Forceps
Parts of an Instrument - ANS Handle
Shank
Working End
Three-Number Instrument - ANS
Four-Number Instrument - ANS
Enamel Hatchet - ANS to clean and smooth walls in cavity prep; to remove enamel
not supported by dentin
*push motion*
Enamel Hoe - ANS to clean and smooth floor and walls in cavity prep
*pulling motion*
Straight Chisel - ANS to plane and cleave enamel in cavity prep.
,*push motion*
Wedelstaedt Chisel - ANS to plane and cleave enamel in cavity prep/curved blade
*push motion*
Binangle Chisel - ANS to plane and cleave enamel in cavity prep/2 angles in shank
*push motion*
Angle Former - ANS to make lines and points of angles clearer and to clean out
tooth for cavity prep.
Gingival Margin Trimmer: Mesial and Distal - ANS to bevel cervical walls of mesial
and distal retention areas
Spoon Excavators - ANS to remove carious dentin
Spoon Excavators secondary functions - ANS to remove temporary
crowns/temporary cement/ permanent crown during try-in
Anesthetic Aspirating Syringe - ANS to administer a local anesthetic
Short Needle - ANS to administer an anesthetic by injection on maxillary arch
Long needle - ANS to administer anesthetic by block injection to mandibular arch
Anesthetic Cartridge - ANS to hold liquid anesthetic for local anesthetic injection
Anesthetic Cartridge/Blister Packs - ANS to hold liquid anesthetic: varied
Recapping Device - ANS to hold needle sheath for one-hand recapping
Computer-Controlled Local Anesthetic Delivery System - ANS to improve
ergonomics and precision of anesthetic delivery
Nitrous Oxide and Analgesic Tanks - ANS to relax patients for dental procedures
Nitrous Oxide Nose Mask - ANS to evacuate excess nitrous oxide
Nitrous Oxide and Oxygen Flowmeter - ANS to monitor N2O and O2 that is given to
patient
, Local Anesthetic Syringe Tray Setup - ANS Anesthetic Aspirating Syringe
Long Needle
Short Needle
Anesthetic Cartridge
Needle Stick Protector
Topical Anesthetic
High-Volume Evacuator Tip - ANS to evacuate large vol. of fluid and debris
Low-Volume Saliva Ejector Tip - ANS to evacuate smaller vol. of fluid
Dryfield Illuminator - ANS 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 - ANS to evacuate smaller vol. of fluid; to use on
mandibular arch; to retract tongue during evacuation
High-Volume Surgical Evacuation Tip - ANS to evacuate fluid from surgical site
Air/Water Syringe with Removable Tip - ANS to rinse/dry specific teeth or entire
mouth
Self Contained Water Unit and Waterline Treatment Tablets - ANS to assist in the
quality of water entering the dental unit that supplies water to the hand pieces
Dental Delivery System - ANS to deliver dental care to patients
Dental Assistant Delivery System - ANS 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 - ANS to use with bur to cut tooth with decay/dental
anomalies
max. speed of 450,000 rotations per minute
AND 100% CORRECT ANSWERS
Mouth Mirror - ANS indirect vision within the mouth/to retract lips, cheeks, and
tongue
Explorers - ANS to examine teeth for decay
1.Orban
2.Pigtail
3.Shepherds Hook
Cotton Forceps - ANS to grasp or transfer items
Instrument Handles - ANS small round 1/4, standard hollow 5/16, lightweight 3/8,
satin steel
Basic Tray Setup - ANS Mouth Mirror
Pigtail Explorer
Cotton Forceps
Parts of an Instrument - ANS Handle
Shank
Working End
Three-Number Instrument - ANS
Four-Number Instrument - ANS
Enamel Hatchet - ANS to clean and smooth walls in cavity prep; to remove enamel
not supported by dentin
*push motion*
Enamel Hoe - ANS to clean and smooth floor and walls in cavity prep
*pulling motion*
Straight Chisel - ANS to plane and cleave enamel in cavity prep.
,*push motion*
Wedelstaedt Chisel - ANS to plane and cleave enamel in cavity prep/curved blade
*push motion*
Binangle Chisel - ANS to plane and cleave enamel in cavity prep/2 angles in shank
*push motion*
Angle Former - ANS to make lines and points of angles clearer and to clean out
tooth for cavity prep.
Gingival Margin Trimmer: Mesial and Distal - ANS to bevel cervical walls of mesial
and distal retention areas
Spoon Excavators - ANS to remove carious dentin
Spoon Excavators secondary functions - ANS to remove temporary
crowns/temporary cement/ permanent crown during try-in
Anesthetic Aspirating Syringe - ANS to administer a local anesthetic
Short Needle - ANS to administer an anesthetic by injection on maxillary arch
Long needle - ANS to administer anesthetic by block injection to mandibular arch
Anesthetic Cartridge - ANS to hold liquid anesthetic for local anesthetic injection
Anesthetic Cartridge/Blister Packs - ANS to hold liquid anesthetic: varied
Recapping Device - ANS to hold needle sheath for one-hand recapping
Computer-Controlled Local Anesthetic Delivery System - ANS to improve
ergonomics and precision of anesthetic delivery
Nitrous Oxide and Analgesic Tanks - ANS to relax patients for dental procedures
Nitrous Oxide Nose Mask - ANS to evacuate excess nitrous oxide
Nitrous Oxide and Oxygen Flowmeter - ANS to monitor N2O and O2 that is given to
patient
, Local Anesthetic Syringe Tray Setup - ANS Anesthetic Aspirating Syringe
Long Needle
Short Needle
Anesthetic Cartridge
Needle Stick Protector
Topical Anesthetic
High-Volume Evacuator Tip - ANS to evacuate large vol. of fluid and debris
Low-Volume Saliva Ejector Tip - ANS to evacuate smaller vol. of fluid
Dryfield Illuminator - ANS 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 - ANS to evacuate smaller vol. of fluid; to use on
mandibular arch; to retract tongue during evacuation
High-Volume Surgical Evacuation Tip - ANS to evacuate fluid from surgical site
Air/Water Syringe with Removable Tip - ANS to rinse/dry specific teeth or entire
mouth
Self Contained Water Unit and Waterline Treatment Tablets - ANS to assist in the
quality of water entering the dental unit that supplies water to the hand pieces
Dental Delivery System - ANS to deliver dental care to patients
Dental Assistant Delivery System - ANS 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 - ANS to use with bur to cut tooth with decay/dental
anomalies
max. speed of 450,000 rotations per minute
