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FOUN518A - Operative Dentistry
UMB dental (1st yr)
43
Medical
Professional
11/24/2010

Additional Medical Flashcards

 


 

Cards

Term

Caries Class ?

 

pit and fissure caries to include posterior occlusal surfaces, facial and lingual surfaces; buccal pits of molars; lingual pits of anterior teeth

Definition
Class I
Term

 

Progression of caries are two cones base to base.

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/    \

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v


 

Definition
Class I
Term

Caries Class ?

 

Smooth surface caries on the proximal surfaces of posterior teeth

 

 

Definition
Class II
Term

Caries Class ?

 

Smooth surface caries on the proximal surfaces of posterior teeth

Definition
Class II
Term
Progression of caries are two cones tip to base.
Definition
Class II, Class III, or Class V
Term

Caries Class ?

 

Smooth surface caries on the proximal surfaces of anterior teeth

Definition
Class III
Term

Caries Class ?

 

Lesions on the proximal surface of anterior teeth that include the incisal edge

Definition
Class IV
Term

Caries Class ?

 

Smooth surface caries on the facial or lingual surfaces of both anterior and posterior teeth in the gingival third; may involve cementum or dentin as well as enamel surfaces.

Definition
Term

Caries Class ?

 

Lesions are pit or wear defects on the incisal edges of anterior teeth or cusp tips of posterior teeth; lesions can be caries but don't have to be.

Definition
Class VI
Term
Name the three general parts to a hand instrument
Definition
Handle, shank, and blade
Term
Name the three different types of shanks
Definition
Straight, curved, and angled
Term
Name the three types of angled shanks
Definition

Mon-angle = one angle

Bin-angle = two angle

Tern-(triple) angle = three angles

Term
Name the two parts of the blade on a hand instrument
Definition
Body of the blade and the cutting edge
Term
Name the two types of chisels
Definition
Hoes and angle forming chisels
Term

In the three number formula, what does each number represent?

 

ex: 12-8-16

 

 

Definition

1st number = width of blade in tenths of mm

2nd number = length of blade in mm

3rd number = angle of blade relative to handle in degrees Centigrade

Term

In the four number formula, what does each number represent?

 

ex: 13-95-8-14

Definition

1st number = width of blade in tenths of mm

2nd number = angle of the cutting edge (in degrees C) relative to the handle when the cutting edge is NOT 25 degrees C relative to the blade

3rd number = length of blade in mm

4th number = angle of blade relative to handle in degrees C

Term
On a standard explorer, which end is the 17 and which is the 23.
Definition

#17 end = has tern angle shank

#23 end = rounded

Term
Which retainer is used to form proximal contacts when placing restoration material in mesial and distal areas.  
Definition
Tofflemire matrix retainer
Term

What is the name of the standard enamel hatchet

 

Definition
N U 12
Term
What is the name for the basic bin-angle enamel chisel
Definition
CP 2067
Term

What is the name for our interproximal carver for amalgam

 

Definition
CVL 7
Term
What is the name for the Hollenback Carver used for amalgam
Definition
CVHL 1/2
Term
Give the speed for the following classifications of handpieces
Definition

Low speed = up to 20,000 rpm

High speed = 10,000 - 150,000 rpm

Ultra speed = above 150,000 rpm

Term
Name the three types of contra-angle heads
Definition
Screw type, latch, and friction grip.
Term
Name two used for the high speed handpiece
Definition

1) Initial penetration into the tooth structure

2) Preparation of teeth

Term
A bur is a _____ or _____ _______ rotary instrument that customarily has _____ or blades on the head
Definition
steel, tungsten carbide, flutes
Term
Name the three parts of every bur
Definition
Head, neck, and shank
Term
Name the 5 main groups of cutting burs
Definition
Round, inverted cone, straight fissure, tapered fissure, pear-shaped.
Term
Name the 6 sizes of round burs in order of smallest to largest
Definition

1/4, 1/2, 2, 4, 6, 8

 

Term
What are the sizes for the inverted cone burs
Definition
Range from #33 1/2 - #39
Term
What are the sizes for straight fissure burs
Definition

Crosscut - #555-#558

Plain - #55-#58

Term

What are the sizes of tapered fissure burs

 

Sizes of tapered fissure burs with round ends

Definition

Crosscut - #699-703

Plain - #169-172

 

Round ends - #271 and #272

 

Term
What are the sizes of pear-shaped burs
Definition

1.5 mm head = #330 and #331

3 mm head = #245

Term
Burs and abrasives with ____ stripes usually denote fine or smooth cutting
Definition
red
Term

Diamond abrasives 

 

Color scheme - most abrasive to least

Definition

black - green - blue - red - yellow

 

most abrasive                  least abrasive

Term
Name the 4 primary grasps for instruments
Definition
Pen, modified pen, inverted pen, palm-thumb grasp
Term

Non-carious tooth defects

 

Loss of tooth substance due to mechanical means such as toothbrushing with an abrasive paste

Definition
Abrasion
Term

Non-carious tooth defects

 

Lose of tooth structure caused by wear (ex: bruxism)

Definition
Attrition
Term

Non-carious tooth defects

 

Loss of tooth structure by chemical processes, acid erosion of teeth

Definition
Erosion
Term

Non-carious tooth defects

 

Stress corrosion of the cervical enamel margin of tooth caused by non-axial forces on the incisal, occlusal, and palatal surfaces of the tooth placing the hard tissue in tension and then in compression

Definition
Abfraction
Term

Non-carious tooth defects

 

Loss of tooth structure due to trauma

 

Definition
Fracture
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