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78 Cards in this Set
- Front
- Back
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What are the parts of the dental hand instrument?
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working end
shank handle |
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The________is the part of the instrument that connects the handle to working end.
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shank
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The working end of the instrument may be a _________,________,_______.
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point
blade nib |
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Which part of the instrument actually performs the special function of the instrument?
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working end
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_______formula was developed to standarize the exact size and angulation of an instrument.
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Black's
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Name the following cutting instruments________,_______,________.
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chisel
excavator angle former |
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Name the following non-cutting instruments________,_______,_______.
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carver
file carrier |
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Black's three numbered formula
1. 2. 3. |
1. The 1st number is the width of the blade.
2. The 2nd number is the measurement of the length of the blade. 3. The 3rd number is provides measurement of the angle of the blade to the long axis of the handle. |
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_________are used to assist in the design of cavity preparation.
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hand cutting instruments
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_______are used to shape and plane enamel and dentin walls of the cavity preparation.
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chisels
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________are paired left and rightand are used in a downward motion to refine the cavity walls.
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Hatchets
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The_______is used in a pulling motion to smooth and shape the floor of cavity prep.
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hoe
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The_______, which is similar to the hatchet in regard to the position of the blade to the handle, is used to bevel the gingival margin wall of the cavity prep.
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gingival margin trimmer (GMT)
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THe _________is used in a downward pushing motion to form and define point angles and to sharpen line angles.
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angle former
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The________which is used to remove caries material, has a cutting edge that is rounded all the way around the periphery of the blade.
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excavator
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The_______examination setup instruments are common to all tray setups
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basic
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Name the following basic examination setup instruments_________,________,___________
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Explorer
mouth mirror Cotton pliers |
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Three types of mouth mirrors
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Concave
front plane |
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Operator uses a mirror which is called________to view areas of the mouth mot visible w/direct vision.
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indirect vision
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Known as________the mirror is used to direct the light to reflect and detect fractures in a tooth
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transillumination
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Which instruments working end is a thin, sharp point of flexible steel
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explorer
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_________are used to transport and manipulate various materials. THey are in locking and non locking handles
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Cotton pliers
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The working end of the____consists of a rounded or blunted blade that is marked in millimeters
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probe
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The amalgam_______is designed to carry and dispense amalgam into the cavity prep
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(amalgam) carrier
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_______are used to remove excess restorative material and to carve tooth anatomy in the restoration before material hardens.
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carvers
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_________knives are used to trim excess filling material
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file
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________spatulas are used to mix composite resin materials
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plastic
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Name the following use or characteristic of the crown and collar scissors
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trim matrix bands
cut retraction cord trim amalgam |
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THe_____of the bur is inserted into a handpiece
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shank
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THe ____of the bur is the working end of the bur.
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head
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Cutting burs have ________cutting blades or surfaces
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six
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There are________basic cutting bur shapes
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nine
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_______burs or stones are used for rapid reducing tooth structure during cavity prep, polishing, and finishing composite restorations, and occlusal adjustment.
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Diamond
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________are nonbladed instruments used to finish and polish restorations
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abrasives
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Name three following instruments that have abrasive material that may be made of garnet, diamond, quatz
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cutting burs
fissure burs discs |
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__are discs used for rapid cutting and have diamond particles bonded to both sides of steel discs
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diamond
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The_____end of the handpiece is where burs stones and attachments are held
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working
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what will reduce frictional heat from use of high speed
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air
water air/water spray |
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The_______holds the shank portion of bur in place
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chuck
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What will activate and control the speed of handpiece
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rheostat
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The low speed hand pirce is often called the
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straight handpiece
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At the dental unit, the low speed handpiece will not
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polish appliances
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What cannot be sterilized?
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sand paper discs
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High speed handpieces operate at __________rpm
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400,000
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A______tray system provides an effiecient means of transporting instruments
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preset
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The___________chisel is used for Class III and IV cavity prep
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Wedelstaedt
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The dental hand piece is not used for
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probing
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Range for round bur
function |
1/4, 1/2, 1 - 10
Used to open the cavity and remove caries |
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Range for Plain taper fissure
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169,170,171,172..169L,170L,
171L |
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Range for Inverted Cone
Function |
33 1/2, 34,35,36,37,38,39 ...36L,37L
Makes undercuts and removes caries |
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Range for Crosscut Fissure Taper
Function |
699-703...699L,700L,701L
Forms divergent walls of cavity prep |
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Range for Plain Fissure Straight
function |
56-60...57L,58L
forms cavity walls of prep |
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Range for End Cutting
Range for wheel |
957, 958
14 |
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Range for crosscut fissure straight
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556-560...557L, 558L
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Range for Pear
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329-332...331L
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Function of Diamond bur
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used for rapid reduction of tooth structure
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Function of Amalgam gun
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Has spring action made of plastic and is single ended
Used to carry and place composites, glass ionomers, and amalgam alloys |
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Function of amalgam condenser
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sometimes called pluggers, used to pack amalgam into cavity prep
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Composite instruments are
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similar to plastic filling instruments but made of materials that will not discolor material
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Plastic filling instruments
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place any kind of pliable restorative materials like cements and bases
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Periodontal probe
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(Periodontal means under gums) Used to measure depth of gingival sulcus
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Most common carvers are
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Cleoid-discoid
Hollenback |
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Black's #4 formula
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1#-width of blade
2#-Degree of the angle of cutting edge of blade to the handle 3#Length of the blade 4#angle of blade to axis of handle |
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Instrument shanks.. there are 5 various angles
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straight
curved monangle biangle triple angle |
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Handle (shaft)
there are three |
round
hexagon smooth or serrated |
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Articulating paper forceps
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used to hold the colored paper used to check occlusion after restoration has been placed
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Types of burs
There are 6 |
Cutting Burs
Diamond burs finishing burs surgical burs laboratory burs |
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All high speed use________only.
All high speeds are _______ except hose. |
friction
one piece |
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Low speed handpiece speed ranges from_________to________
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10,000 to 30,000
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Finishing Burs
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smooth and finish metal restorations and natural tooth colored materials
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Surgical Burs
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Used in slow speed handpiece to trim and contour alveolar bur
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Laboratory Burs
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used in lab to trim acrylic or dentures or custom trays
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Mandrels
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rods of various lengths that are used in low speed hand pieces
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Discs
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used to polish smooth and adjust restorative materials and dental appliances
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Stones
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used for cutting, polishing, and finishing amalgam, gold, composite, and composite, and porcelin restorations
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Rubber wheels
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used for finish and polishing
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Rubber points
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used for polishing and are especially adaptable when defining anatomy in the restoration.
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Order of instrument tray...
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Mirror
Explorer cotton pliers spoon filling amalgam carrier condenser large condenser small hollenback discoid cleoid ball burnisher forceps articulating paper |
