Instrumentation Videos Flashcards
i. Gracy Curets
1. Specific areas in mouth
2. ____ cutting edge
3. Face of cutting edge is at an ____ angle (70 °) to the terminal shank
(one side is lower than the other – the ____ edge)
- The cutting edge is adapted to the tooth
4. Has a rounded toe: ____ use
5. Has a ____ back: adapts nicely to tissue so it doesn’t traumatize tooth or root surface
one offset cutting subgingival rounded
- 1/2 Gracey
- ____ teeth: canines and incisors - 7/8 Gracey
- ____ teeth
- Most versatile
- Premolars ____
- ____
- Posterior molars (____) - 11/12 Gracey
- Posterior teeth: direct ____, mesial surfaces
- Curve always get directed ____
anterior
anterior and posterior
M and D
canines
direct B and Ls
buccal and lingual
distally
- 13/14 Gracey
- Posterior teeth, ____ surfaces - 15/16 Gracey
- Posterior teeth, direct ____, ____ surfaces - Straight-shanked Graceys
- For ____ teeth (incisors and canines) [designed for straight ____ roots of incisors) - Curve-shanked Graceys
- For ____ teeth (molars and premolars) [curved to shape
anatomy]
mesial buccal and lingual mesial anterior posterior
ii. Universal Curets
1. For use in the ____ mouth
2. ____ cutting edges
3. Face of cutting edge is at a ____ angle to the terminal shank – gives you
____ cutting edges.
- ____
- ____
- Instrument face is at a ____ angle to the terminal shank
entire
two
right
two
13/14 columbia
4R/4L curet
right
b. Other Instruments
i. S 15/33 – Sickle Scaler
1. ____ deposits
2. ____ sextants
ii. ODU 11/12
1. ____ instrument
2. For ____ detection explorer
Instruments with two cutting edges:
i. Universal Curets
1. ____
2. ____
- Use these the exact same way
ii. Sickle Scalers
1. ____
supragingival
anterior
assessment
calculus
13/14 columbia
4r/4l curet
sickle 15/33
- Instrument Parts
a. 3 basic parts:
i. ____
ii. ____: from where handle ends to where working end begins
- –1. ____: from where the last curve in the shank ends to where the working end begins
iii. ____: terminal shank to tip
handle
shank
terminal shank
working end
- Instrument Grasp
a. Modified pen grasp
i. Thumb and forefinger: - Opposite
- Not ____
ii. Third finger - Side on ____
iii. Ring finger - Acts as ____
- Next to third finger
iv. Pinky finger - Stays next to ____
v. All fingers should stay ____ so work as unit
touching shank or handle fulcrum fulcrum together
- Instrument Grasp
b. Relaxed modified pen grasp
i. Thumb and forefinger - ____ grip
ii. All fingers - ____ grip
iii. Used in - ____
- ____ detection explorer
c-shape
relaxed
deplaquing
calculus
- Instrument Grasp
c. Firm modified pen grasp
i. Lifts ____ to give proper angulation
ii. Forefinger: - Terminal joint ____
- Generates stroke force
iii. Thumb - ____ pressure
iv. Third finger - Rest ____ on corner of fingernail
v. Used in: - Force needed to remove ____
handle flattens lateral shank calculus
- Graceys
a. ____ finger is fulcrum
i. Keep fulcrum close to tooth for straight shenk instruments
b. ____ cutting edge
c. Point ____ in scaling direction
d. Only use terminal ____ mm
e. Push on fulcrum (ring finger)
f. Squeeze and adapt instrument
g. Scale down with wrist and turn
h. Keep terminal shank ____ to surface
i. Short, controlled strokes
j. Flip instrument
k. Establish fulcrum
l. Point toe in scaling direction
m. ____ back against tissue
ring left toe 1-2 parallel rounded
- Graceys
n. Keep terminal shank ____ to surface
o. Short controlled strokes
p. Extend stroke interproximally
q. Extraoral fulcrum
r. Start instrumenting ____ with short strokes
s. As approach line angle, roll with thumb and forefinger to adapt the instrument so that
the ____ portion is always on the tooth surface.
parallel
subgingivally
terminal
- Graceys
t. 7/8 for line angles:
i. Establish a firm ____*
ii. Round back against tissues
iii. Direct ____ apically
iv. Start interproximally
v. Short, ____ strokes - Need to be controlled to avoid tissue trauma
vi. ____ strokes (toe directed apically)
u. Maxillary arch extraoral fulcrum:
i. Extend grasp
ii. Neutral wrist
iii. ____, ____ finger, and ____ finger
iv. Fulcrum on patient’s ____
fulcrum toe overlapping horizontal pinky ring third chin
- Universal Curets
a. Use a ____ angle
b. Right angle will traumatize tissues b/c two cutting edges
Curve directed ____
Short, overlapping stroked vertically and horizontally
Adapt instrument to tooth surface
Extend stroke interproximally ____
Round back against tissues
Use terminal ____ mm
#____ has a nice furcation involvement that you need to give attention to
When get to midline, go to opposite side ____
i. ____ -> ____ -> ____ -> ____
ii. Only have to flip your instrument one time!
tilted distally distal to mesial 1-2 30 lingual RB LL LB RL
- Sickle Scaler
a. Two working ends
b. Both have two cutting edges
i. One side has ____ edges
ii. One side has ____ edges
c. Pointed toes: ____ only (otherwise could damage tissues)
d. Subgingival maximum of ____ mm
e. Subgingival only in presence of heavy ____ and edema
f. Utilize an extraoral fulcrum
g. Instrument teeth separately in ____ (each half of the tooth will be scaled with one side
of the instrument, the other half the other side)
h. Pointed toe; so important that you always keep the ____ end on the tooth surface (or
could damage soft tissue)
i. Point toe in direction of scaling
j. Short, overlapping strokes
k. Adapt instrument to tooth surface
l. Subgingival scaling no more than 1-2 mm
m. Extend stroke interproximally
straight curved supragingival 1-2 inflammation halves toe
- Assessment Instrument: ODU 11/12
a. Used in the ____ mouth
b. Elongated design similar to the ____ curet
c. Used in calculus detection ____
d. Relaxed modified pen grasp – ____ grasp – don’t apply any pressure so that you
get tactile sensitivity
e. Curve is directed distally
f. Complete coverage of tooth surface
g. MAINTAIN A ____ TOUCH
h. Use like universal curets without ____ it
entire 11/12 gracey subgingivally feather light light flipping
