CDYE Flashcards
general dentistry is also referred to as
operative dentistry
what is a common term used to describe decay
cavity
which step in the initial prep allows the dentist to determine shape and placement of the cavity walls
resistance form
which wall of a cavity prep is perpendicular to the long axis of the tooth
pulpal foor
class I
one surface, pits and fissures
class II
extension of class I into proximal surfaces, 2 or 3 surface
class III and IV
class III inter proximal surfaces of incisors and canines. class IV incised edge of canines and incisors interproximally
class V
decay on gingival third
retention pins
indicated for teeth with significant loss of tooth structure
in general one retention is placed for
each missing cusp
tooth whitening can help with
extrinsic stains, intrinsic stains and aging/routine wear
main ingredient of tooth whitening product
hydrogen peroxide
adverse effects of tooth whitening
tissue irritation, thermal sensitivity
universal retainer also referred to as
tofflemire retainer
which cavity classifications use a posterior matrix system
class II
what is the plural of matrix
matrices
what is used to hold a posterior matrix band in place intra orally
universal retainer, matrix band
when a matrix band is placed on the tooth which direction is the smaller circumference of the band placed
placed towards the gingiva
what instrument is commonly used to contour matrix band
burnisher
what additional item is used in the universal matrix system to reestablish proper contact with an adjacent tooth
wedge
what can result from improper wedge placement
overhang or cupping
what is cupping
indentation of restorative material
what is another term for a clear plastic matrix
celluloid strip or mylar strip
what cavity classification is a mylar strip used for
class III or IV
what matrix system is an alternative to the universal retainer
automatrix system (no retainer to hold band in place)
what type of matrix system uses a spot welder to fuse the ends together
spot welded band
what kinds of dental instruments are more often referred to by numbers than by name
pliers and forceps
what part of the instrument is located between handle and working end
shank
what classification of instruments is used to remove decay manually
hand cutting instruments
what are four uses of the mouth mirror
indirect vision, reflection, retraction, transillumination
describe the main feature of the working end of an explorer
thin flexible wire-like with a sharp point at tip
what 3 instruments make up basic setup
explorer, mirror, cotton forceps
what instrument measures the sulcus of the tooth
periodontal probe
what 2 excavators are commonly used in dentistry
spoon excavator and black spoon
function of the hoe
prepare tooth and plane the walls and floors of tooth prep
chisels are used to do what 3 things
place retention grooves, form sharp lines and angles, and break down enamel margin
what are the 4 common chisels used in dentistry
straight, bin-angle, wedelstaedt, angle-formed
hatchets are used to
cut enamel and smooth walls and floors of tooth prep
GMT is a type of
chisel
what instrument would you transfer to dentist to carve anatomy back into inter proximal portion of amalgam restoration
hollenback carver
what instrument is used to pack amalgam during the restoration process
condenser
what type of instrument is the discoid-cleoid
carver
what types of scissors are commonly placed on restorative tray setup
crown and bridge
what is numerical name for howe pliers
110
where is freshly mixed amalgam placed after trituration of the material
amalgam well
2 most common types of dental hand-piece
high and low speed
how fast can low speed hand-piece rotate
30,000 RPM
which attachment is used to hold a latch type bur
contra-angle
how fast does high speed handpiece operate
450,000
what type of bur locking system is found on high speed handpiece
friction- grip
what type of shank fits into contra angle attachment
latch type
restorative burs are made from what
tungsten carbide
what design of bur is 33 1/2
inverted cone
what gives diamond bur its advantage
cutting ability; shorter prep time
finishing burs are used on what type of dental material
esthetic materials
what is used to hold a sandpaper disc in place
mandrel
what is used to stabilize and stretch the dam away from the tooth
dental dam frame
tighten the ___ so that the band is help securely in the retainer
outer knob
the wedge is generally placed on the
lingual
diagonal slotted surface of retainer is always placed towards
gingiva
the retainer is placed from the
buccal surface of the tooth
which end of the amalgam carrier is used to start the filling process
smallest
howe pliers carry
cotton products to and from oral cavity
rotary instruments (burs) are used to remove
decay and old or faulty restorations
round burs range in number from
1/4 to 10
brownies are used for
smoothing amalgam
greenies are used for
polishing amalgam
cuttlebone is most often
adhered to discs and points
most frequently selected diamond burs
flame, round, wheel, flat end taper
what clamp is selected for quadrant 1 and 3
13A
clamp for quadrant 2 and 4
12A
clamp 2A is used on
premolars
