EX1; The Dental Articulator

Question 1

What two things can be adjusted using the human stomatognathic system

Answer 1

guidance

intercondylar distance

Question 2

What are the two relationships regarding articulator mounting

Answer 2

dynamic

static

Question 3

What is unique about the Arcon articulator

Answer 3

the condyles are a part of the mandibular member or the articulator

Question 4

This articulator was developed in 1923 and took the Sphere of Monson into account

Answer 4

homer relator

Question 5

This articulator was developed in 1924 and is roughly the size of the ones we use today

Answer 5

Wadsworth articulator

Question 6

This is a semi-adjustable articulator

Answer 6

Denar Mark II and 330

Question 7

This is a fully-adjustable articulator

Answer 7

D5A

Question 8

How many different tracing papers are the on the Pantograph

Answer 8

6;
2 horizontal front
2 horizontal back
2 vertical back

Question 9

What three markings does the pantograph record

Answer 9

nonworking; N
working; W
protrusive; P

Question 10

This is created by the vertical non working movement

Answer 10

Fisher’s angle

Question 11

This is created by the non working horizontal plane

Answer 11

Bennett’s slide

Question 12

What relationship does the ear bow capture

Answer 12

the relationship between the THA and teeth (max)

Question 13

What three components make up the face (ear) bow transfer

Answer 13

bite forks
mounting jig
leaf gauges

Question 14

What is the length from the debar ear bow to the side of the nose

Answer 14

43mm

Question 15

What is the third point of reference for the ear bow

Answer 15

nasium of the nose

Question 16

The pin of the ear bow represents what

Answer 16

mandibular movement

Question 17

A major significance of ear bow transfer is that it relates maxillary cast to what

Answer 17

terminal hinge axis; mandibular condyles

Question 18

A major significance of ear bow transfer is that is orients what

Answer 18

the maxillary cast correctly in space using a third point of reference; occlusal plane

Question 19

A major significance of ear bow transfer is that it is aligned parallel to what

Answer 19

the inter pupillary line; reference

Question 20

A major significance of ear bow transfer is that it permits what

Answer 20

mounting of the maxillary cast on a semi-adjustable articulator

Question 21

A major significance of ear bow transfer is that the mandible cast is mounted using what record

Answer 21

centric relation

Question 22

This is the maxillomandibular relationship in which the condyles articulate with the thinnest avascular portion of their respective discs with the complex in the anterior-superior position against the shapes of that articulator eminences

Answer 22

centric relation

Question 23

True or False

Centric relation is dependent upon tooth contact

Answer 23

False; it is independent of tooth contact

Question 24

True or False

In CR you are able to reproduce mandibular movement if all the teeth are missing

Answer 24

True

Question 25

What are the three methods of recording CR

Answer 25

bilateral manipulation chin point guidance anterior deprogrammer

Question 26

This is the technique used to record CR involving pushing upward

Answer 26

Dawson technique

Question 27

The CR record is along what

Answer 27

the arc of rotation of the mandible

Question 28

This is dimensionally stable and easily verifiable

Answer 28

CR

Question 29

Whºat is the average angle on the condyle influencing anterior guidance

Answer 29

40º

Question 30

In this angle the articular eminence has more influence

Answer 30

30º (high angles)

Question 31

In this angle, the incisal guidance has more influence

Answer 31

20º (low angles)