Costley Module 12 ch 38 Flashcards by kristen linford

Examination Instruments include?

Probes and Explorers

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Treatment Instruments include?

Curets and Scalers

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The Design Name of an instrument is named after?

The school or individual responsible for designing it

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The working end of a scaler/curet is called a?

Blade

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The Cutting Edge is a very _______ where two surfaces meet.

fine line

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The Lateral surfaces meet to form the _____ of the instrument

back

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The _______ connects the working end with the handle

shank

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The _____, ________, and _______ of the shank govern the access of the working end.

shape
length
rigidity

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The section of shank adjacent to the blade is called the?

lower/terminal shank

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A ______ shank is used for adaptation to tooth surfaces with unrestricted access…like anterior teeth

straight/flat

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You would want an Angled shank when cleaning _____ surfaces of ______ teeth. In general angled shanks are great for more ______ areas of access

proximal
posterior
restricted

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Examples of Angled Curets are?

how many bends do these curets have in the shank?

Gracey 11/12, 13/14, 15/16

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The 13/14 and 17/18 Gracey Curets are best on what teeth and surfaces?

Distal surfaces of molars and premolars

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The distance from the cutting edge (working end) and the junction of the shank and handle is?

1.5 in or 35-40mm

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What is the benefits of a longer shank?

easy access into deep pockets and narrow roots and into furcation areas.

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A Rigid, Thick Shank is best used to?

remove heavy calculus deposits

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A Less Rigid, More Flexible Shank is better for?

removing fine deposits and maintenance root debridment

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A double-ended instrument may have ____ or ______ working ends

paired (mirrored)

complementary

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What describes an “ergonomic” handle

One that is lightweight

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What are the 4 diameters of handles

3/8
5/16
1/4
3/16

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What is the ideal diameters of handles

3/8 or 5/16

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The working end of a balanced instrument is ____ in line with the ______ of the handle

centered

long axis

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What are the categories of Curets

Universal
Area Specific
Minibladed (micro minibladed)

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A scaler can be _____ or ________

It can also have what 3 other categories

curved (sickle)
Straight (jacquette)
File
Hoe
Chisel

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What are the parts of the blade of a scaler and a curet

``` Face Lateral surface back tip or toe cutting edges ```

A tip of an instrument refers to a ____

scaler

A curet has a ____ at the end of the blade

toe

The cutting edge is formed by the junction of the ______ and _____

face and lateral surfaces

A scaler has a _____ tip and a ______ back whereas a curet has a ____ tip and a ______ back

pointed V-shaped rounded rounded

The working ends of a Universal Curet are?

Paired mirror images

Blade Face of a Universal Curet is ___ to the lower shank and ____ in cross section

Perpendicular | Flat

Internal angles of a Universal Curet are?

70-80 degree angles

Gracey curets Face or _____ is at an agle of approximately ___ in relation to the lower shank

"offset" | 70 degree

Each Gracey Curet has one _____ edge and the ______ toe

long sharpened cutting | rounded toe

The objectives of the Gracey Curets is to access ___ and conform to ______

base of deep pockets | curvatures of roots

The lower shank on a Gracey Curet is elongated by _____mm

A Miniblade and Micro Miniblade has a blade that is ______ the length of a regular Gracey Curet

1/2

The ______ is narrower and 20% thinner with increase in rigidity of shank

Micro Miniblade

What is necessary ( to complete procedure) as a followup after using ultrasonic scaling

Gracey area-specific curets

The Gracey Curet Blade is applied to the tooth so that the face forms a ____ angle with the tooth

What part of a Gracey curet is maintained on the tooth at ALL TIMES

toe 1/3 or lower 1/3

Universal VS Area-Specific Curets | What they are best at?

Universal- removing as much calculus as possible | Area-Specific- fine scaling and root planing

What are the 3 directions you STROKE a curet

pull: | vertical, horizontal, oblique

When you use the word "scalers" it includes what types?

Sickle | Jacquette

Scalers can have a ___, ___, or __ shaped shank

straight curved contra-angled

Scalers have ____ cutting edges

The primary use of a straight shank scaler is what area?

Anterior teeth

A Modified or Contra-angle scaler provides acess to _______ teeth with one side adapting from the _____ and the other from the _____

Proximal surfaces of posterior facial lingual/palatal

The principal use of a scaler is for removal of?

SUPRAgingival calculus

Contraindications for use of Scalers SUBgingivally: | The blades are too ______ and can cause undue _______

large of size, thickness, and length | trauma to gingiva

Contraindications for use of Scalers SUBgingivally: | The pointed tip can cause risk of __ or ___ of the cemental surface

grooving | scratching

Contraindications for use of Scalers SUBgingivally: | Tactile sensitivity is ________ due to ___, ___ blades

decreased large heavy

Small scalers are useful for removal of _____ supragingival deposits directly under ______ and between______

fine contact areas overlapping teeth

File Scalers can be ____ or ____ material

metal | diamond

The File scaler is made up of a series of _____ that are placed at a _____ angle with the shank

miniature hoes | 90 degree

File scalers are used to __ and _ calculus prior to using curets. This is helpful on patients that can't have ________ scaling

crush fracture ultrasonic

What type of scaler has a single straigh cutting edge with the blade turned at a 99 degree angle to the shank?

Hoe scaler

The cutting edge of a hoe scaler is at a ______ degree angle to the end of the blade and the Shank can be ____ angulated

45 | variously

A Hoe Scaler is mostly used to remove ______ calculus. You have to maintain _____ contact on the tooth

large tenacious supragingival calculus | 2-point

File Scaler Stroke Motion

Linear Pull

Hoe Scaler Stroke Motion

Coronal Pull

What kind of scaler has a single stright cutting edge with a blade that is flat and beveled at a 45degree angle.

Chisel Scaler

The main purpose of a chisel scaler is supragingival calculus removal from ______ surfaces of anterior teeth where ____ is missing

exposed proximal | interdental gingiva

NWP: | The wrist is ____ and the ____ and _____ are in the same horizontal plane

straight forearm hand

The Neutral elbow is ______degrees or greater with the forearm

What is the support, or point of rest, on which a lever turns in moving a body

Fulcrum

An effective finger rest is essential to What?

Stability, Unit Control, Prevention of Injury, Comfort for PT. and Control of Stroke Length

The best place to put an intraoral finger rest is on a ________, in the same _____ and _____ when possible

adjacent tooth arch quadrant

You can substitute a finger rest by using a _____ or _____ for areas with missing teeth or use your non-dominant hand placed in the ______ as a finger rest to aid in retraction and visibility in small children

cotton roll/gauze | vestibule

The 3 types of finger rest variations are?

Substitute Supplementary Reinforced

What is a type of Supplementary finger rest

"Finger on Finger"

A reinforced finger rest is done by putting the _____ finger of non-dominant hand on the tooth and using the ______ of the dominant hand on the shank

index finger | thumb

What are the effects of excess pressure on finger rest

Decreased: stability, control Over-tight grasp Fatigue: clinician and pt. (jaw)

What are the 4 problem areas where attention, time, and careful application of skill is needed

Line Angles Convex/Rounded surfaces Cervical Area Proximal Root Surfaces

The probe tip is held _______ and the long axis of the working end nearly _____ with tooth surface

against the tooth | parallel

An explorer is held with the tip at a _____ angle to the occlusal surface when detecting occlusal pit or fissure caries. And ___ on other surfaces

right angle | on tooth at all times

At ____ angulation the curet face is flat against the tooth surface

Zero

____ pressure is used for Assessment Strokes, ________ pressure is used for Scaling/Working Strokes

light | moderate to heavy

A ______ stroke uses moderate pressure first and then lighter pressure as surface becomes smoother

Root Planing

What happens if you have too little pressure when scaling

burnish calculus | loose control

What happens if you have too much pressure when scaling

``` remove tooth structure loss of control damage soft tissue patient discomfort clinician fatigue ```

A stroke is an _______ movement of an instrument

unbroken

The assessment stroke is also called an ______ stroke

exploratory

What stroke is used with a handpiece like when using a rubber polishing cup

Curvilinear/Circular

A stroke is __, _, ___, and __ to protect the tissues from trauma

short controlled decisive directed

Costley Module 12 ch 38 Flashcards

(85 cards)