Dental Assistant
Study online at https://quizlet.com/_63xy9g
1. Transfer Zone: Is the 4-7 o'clock position used to transfer instruments.
2. 4-6 inches: The assistant is to sit ____ higher than the dentist.
3. High volume evacuation: Strongest suction for right-handed dentist and the
bevel always faces the tooth but never touches
4. Always held in the DA's left hand: Air water syringe
5. high speed burs: -Used for tooth preparations such as fillings
-400,000 rpms
-Longer
6. Low speed burs: Removes decay
300,000 rpms
Shorter
7. 27 gauge needle: Is the gauge that is Yellow in color &
Used for lower injections
8. Yellow cap-27 gauge: Longer needle used for lower teeth
9. Blue cap- 30 gauge: Shorter needle used for upper teeth
10. 30 gauge needle: Is the thinnest needle used by dentist
11. 27 gauge needle: Is a thicker more stiff needle
12. Topical anesthetic: Applied with a cotton swab or sprayed on the mucosa (skin)
to deaden the injection site prior to the injection.
13. Lidocaine and articaine: The most popular anesthetic used by dentist
14. cotton rolls: The most common way of keeping the teeth in the mouth dry and
retract the cheek and tongue from teeth
15. Rubber dam: -Mandatory for all Endodontic procedures.
-Prevents small instruments from falling in throat.
-Select appropriate clamp
16. Rubber dam
Rubber dam clamp
Rubber dam frame
Rubber dam forceps
Rubber dam hole puncher: Rubber Dam set up
17. RD 14A: Upper molars
18. RD 2A: All bicuspids
19. RD 8A or W7: Lower molars
20. Double bow: Anterior teeth
21. High speed hand piece: -Has a push button
-friction gripped burs
-air driven
-used for cutting, fillings and crowns
1/7
, Dental Assistant
Study online at https://quizlet.com/_63xy9g
22. Low speed Handpiece: Used to remove decay
-latch bur, composed of a motor-
air driven
23. Low speed handpiece: Rotates @ 300,000 rpms
24. High speed handpiece: Rotates @ 400,000 rpms
25. High speed handpiece: Used for tooth preparation such as fillings etc
26. Lowspeed handpiece: Used for decay removal
27. orthodontics: Study and treatment of malposed or crooked teeth
28. Endodontics: Deals with the treatment and removal of infected or necrotic
(dead) pulp tissue within the tooth's pull chamber and canals
29. periodontics: Deals with the treatment of diseases in the gingival and bony
tissue surrounding the teeth
30. Periodontal Probe: An instrument used to check for periodontal disease by
measuring the pocket depth
31. Canine teeth aka cuspids: 6, 11, 22, 27
32. First molars: 3, 14, 19, 30
33. 20: Primary baby teeth
34. 32: Permanent adult teeth
35. Mandibular teeth: Lower teeth
36. Maxillary teeth: Upper teeth
37. All instruments must be: Autoclaved
38. Oiled prior to being autoclaved (sterilization): High speed Handpiece
39. What are the three methods used to sterilize instruments and materials: -
Cold sterile
Rinse & heat
Ultrasonic & heat
40. Cold Sterile: a 28 day solution that must be changed
41. Before placing in cold sterile, instruments that have blood or other debris
must first be: Cleaned in the sink prior to being placed in Cold Sterile.
42. Ultrasonic Cleaner: instruments that have come in direct contact with blood or
have deep hard to clean grooves are best cleaned via
43. Ultrasonic & Heat: You must use thick Utility gloves when using
44. Autoclave: Uses distilled water
45. Autoclave: Heats up to 275 degrees under 20lbs of steam pressure
46. Mirror & explorer: Should be handed to the doctor at the same time.
47. Left hand only: Passing instruments should be done with the
48. Air water syringe: Almost always held in the left hand if the dr is right-handed.
49. Air water syringe: Which instrument can be hung up if the dr needs an instru-
ment?
2/7
Study online at https://quizlet.com/_63xy9g
1. Transfer Zone: Is the 4-7 o'clock position used to transfer instruments.
2. 4-6 inches: The assistant is to sit ____ higher than the dentist.
3. High volume evacuation: Strongest suction for right-handed dentist and the
bevel always faces the tooth but never touches
4. Always held in the DA's left hand: Air water syringe
5. high speed burs: -Used for tooth preparations such as fillings
-400,000 rpms
-Longer
6. Low speed burs: Removes decay
300,000 rpms
Shorter
7. 27 gauge needle: Is the gauge that is Yellow in color &
Used for lower injections
8. Yellow cap-27 gauge: Longer needle used for lower teeth
9. Blue cap- 30 gauge: Shorter needle used for upper teeth
10. 30 gauge needle: Is the thinnest needle used by dentist
11. 27 gauge needle: Is a thicker more stiff needle
12. Topical anesthetic: Applied with a cotton swab or sprayed on the mucosa (skin)
to deaden the injection site prior to the injection.
13. Lidocaine and articaine: The most popular anesthetic used by dentist
14. cotton rolls: The most common way of keeping the teeth in the mouth dry and
retract the cheek and tongue from teeth
15. Rubber dam: -Mandatory for all Endodontic procedures.
-Prevents small instruments from falling in throat.
-Select appropriate clamp
16. Rubber dam
Rubber dam clamp
Rubber dam frame
Rubber dam forceps
Rubber dam hole puncher: Rubber Dam set up
17. RD 14A: Upper molars
18. RD 2A: All bicuspids
19. RD 8A or W7: Lower molars
20. Double bow: Anterior teeth
21. High speed hand piece: -Has a push button
-friction gripped burs
-air driven
-used for cutting, fillings and crowns
1/7
, Dental Assistant
Study online at https://quizlet.com/_63xy9g
22. Low speed Handpiece: Used to remove decay
-latch bur, composed of a motor-
air driven
23. Low speed handpiece: Rotates @ 300,000 rpms
24. High speed handpiece: Rotates @ 400,000 rpms
25. High speed handpiece: Used for tooth preparation such as fillings etc
26. Lowspeed handpiece: Used for decay removal
27. orthodontics: Study and treatment of malposed or crooked teeth
28. Endodontics: Deals with the treatment and removal of infected or necrotic
(dead) pulp tissue within the tooth's pull chamber and canals
29. periodontics: Deals with the treatment of diseases in the gingival and bony
tissue surrounding the teeth
30. Periodontal Probe: An instrument used to check for periodontal disease by
measuring the pocket depth
31. Canine teeth aka cuspids: 6, 11, 22, 27
32. First molars: 3, 14, 19, 30
33. 20: Primary baby teeth
34. 32: Permanent adult teeth
35. Mandibular teeth: Lower teeth
36. Maxillary teeth: Upper teeth
37. All instruments must be: Autoclaved
38. Oiled prior to being autoclaved (sterilization): High speed Handpiece
39. What are the three methods used to sterilize instruments and materials: -
Cold sterile
Rinse & heat
Ultrasonic & heat
40. Cold Sterile: a 28 day solution that must be changed
41. Before placing in cold sterile, instruments that have blood or other debris
must first be: Cleaned in the sink prior to being placed in Cold Sterile.
42. Ultrasonic Cleaner: instruments that have come in direct contact with blood or
have deep hard to clean grooves are best cleaned via
43. Ultrasonic & Heat: You must use thick Utility gloves when using
44. Autoclave: Uses distilled water
45. Autoclave: Heats up to 275 degrees under 20lbs of steam pressure
46. Mirror & explorer: Should be handed to the doctor at the same time.
47. Left hand only: Passing instruments should be done with the
48. Air water syringe: Almost always held in the left hand if the dr is right-handed.
49. Air water syringe: Which instrument can be hung up if the dr needs an instru-
ment?
2/7
