Questions from Midterm

Question 1

Dentinogenics is based on age, sex, and personality. T or F

Answer 1

True

Question 2

Extension of the posterior border of the distolingual flange of the amndibel is limited by what muscle?

Answer 2

superior pharyngeal constrictor

Question 3

What object is closest to the tuberosities and affects the shape of the impression border?

Answer 3

hamular notch

Question 4

problems with dentures and the labial flange are often associated with….

Answer 4

zygomatic process

Question 5

T or F: the width of the maxillary central incisor is 1/32 the bizygomatic width.

Answer 5

False 1/16

Anterior 6 approx bizyg width divided by 3.3

Question 6

From midsagittal view the ala tragus plane is what degree angle to the frankfort horizontal plane?

Answer 6

10 degrees

Question 7

What is the purpose fo using centric relation?

Answer 7

recorded with accuracy is verifiable, repeatable, horizontal mandibular position

Question 8

How should you determine OVD?

Answer 8

combo of several methods

Question 9

T or F: When establishing OVD, the resting dimension should be less than the occluding dimension.

Answer 9

False, resting is larger b/c OVD + IOD

Question 10

What is the most important factor in determining success of complete dentures?

Answer 10

patient-doctor relationship

Question 11

A pt with high resorption on ridges and little neuromuscular control should have what kind of CD occlusion?

Answer 11

monoplane

Question 12

Diff between frankforts and camper’s plane?

Answer 12

10 degrees

Question 13

The incisal edges of the maxillary central incisors should be ____________ anterior to the midpoint of the incisive papilla.

Answer 13

8-10 mm

Question 14

The anterior teeth should be arranged with ______ of vertical overlap.

Answer 14

0.5-1 mm

Question 15

What muscle determines the form of the lingual flange of the mandibular denture?

Answer 15

mylohyoid

Question 16

Does the soft palate determine the shape of the buccal vestibule?

Answer 16

nah

Question 17

The vibrating line is the ….

Answer 17

location of the junction of the moveable and immoveable tissues of the soft palate

Question 18

primary purpose of the posterior palatal seal

Answer 18

retention of maxillary CD (due to shrinkage of the resin)

Question 19

important objective of the final secondary impression is to….

Answer 19

record the detail of the denture bearing area in an unstrained and undistorted state

Question 20

saying ah makes the palate move….

Answer 20

up

Question 21

holding the nostrils and blowing out makes the soft palate move…

Answer 21

down

Question 22

What number is fixed?

• plane of occlusion
• compensating curve
• incisal guidance
• condylar angulation

Answer 22

condylar angulation

Question 23

How do you border mold the alveolarlingual sulcus?

Answer 23

move the tongue around

Question 24

What relationship is being measured with CR?

Answer 24

hinge axis of mandible and maxilla relation

Question 25

What are three good denture bearing areas?

Answer 25

- connective tissue and underlying mucosa - keratinized mucosa - underlying cortical bone

Question 26

What is the problem with dentures and a retruded tongue?

Answer 26

the tongue is used to help retain the mandibular denture

Question 27

T or F: it is not necessary to take impressions of a patient that does not need dentures now but will later

Answer 27

false

Question 28

Which house classification is easiest to find the vibrating line but hardest for a pt to tolerate a denture?

Answer 28

Class 3 (class 1 is hardest to find line but best for tolerance)

Question 29

0, 10, 20, 30 in reference to denture teeth represent what?

Answer 29

cuspal inclination

Question 30

Surface area of maxilla and mandible

Answer 30

Max: 23 Mand: 12

Question 31

How much of the retromolar pad should the mandibular denture include?

Answer 31

all of it

Question 32

What are three limiting structures to the mandibular denture?

Answer 32

- mylohyoid - masseter - labial frenum

Question 33

The physiologic rest position provides what?

Answer 33

guide to vertical dimension of occlusion

Question 34

What position is the LEAST repeatable?

Answer 34

vertical dimension of rest

Question 35

In an edentulous pt, the coronoid process may....

Answer 35

limit the thickness of the buccal flange of the maxillary denture

Question 36

What is on the posterior border of the maxillary denture base?

Answer 36

hamular notch

Question 37

What is the primary support area for the maxillary denture?

Answer 37

hard palate

Question 38

What is the freeway space?

Answer 38

space between the teeth when in physiologic rest position (usually 2-4 mm)

Question 39

How far up the retromolar pad should mandibular posterior teeth extend?

Answer 39

1/2 to 2/3 up pad

Question 40

What is NOT a suitable occlusal scheme for complete dentures?

Answer 40

canine guidance

Question 41

What is the function of the compensating curve in a set of complete dentures?

Answer 41

develop a balanced occlusion