Edentulous Challenge

Question 1

Artificial teeth rest on ____ membranes

Answer 1

Mucous

Question 2

Pressure on mucosa causes ____ and ____

Answer 2

soreness and resorption

Question 3

Complete dentures ____ in relation to the underlying bone during function

Answer 3

move

Question 4

More movement causes more _____ and _____

Answer 4

soreness and resporption

Question 5

Resiliency of tissue and instability of the dentures causes ________

Answer 5

denture movement

Question 6

Almost all principles of complete denture fabrication hae been formulated to decrease ______ of the dentures or to minimize _____ transmitted to supporting structures

Answer 6

Movement; forces

Question 7

in the edentulous state, there are few ______ left. The tissues where they rest will change progressively and irreversibly

Answer 7

Natural adaptive mechanisms

Question 8

______ is resistance to vertical movement toward the underlying tissues

Answer 8

Support

Question 9

Dentin, cementum, alveolar bone, and PDL serve as ____ for natural dentition

Answer 9

support

Question 10

How much support is there in each arch of the natural dentition?

Answer 10

45 cm2

Question 11

How much support is there in the maxillary arch for complete denture?

Answer 11

23 cm2

Question 12

How much support is there in the mandible for complete denture?

Answer 12

12 cm2

Question 13

______ says that living bone responds to functional stress by depositing bone in areas of stress

Answer 13

Wolff’s law

Question 14

For an edentulous patients, there is _____ adaptation to functional stress on alveolar bone

Answer 14

little

Question 15

In complete denture wearers, the mean reduction in anterior mandibular ridge is ______ times that of the maxillary ridge

Answer 15

4 times

Question 16

T/F: Wearing of dentures is almost always accompanied by an undesirable loss of bone

Answer 16

True

Question 17

T/F: Dentures must be removed for 8 hours a day to minimize residual resorption

Answer 17

True

Question 18

Record tissues at rest, extend denture base to use maximum support area, and placement of pressure on those tissues best able to tolerate pressure outline proper _____ techniques

Answer 18

Proper impression techniques

Question 19

Should anterior teeth contact in centric relation closure for complete dentures?

Answer 19

No!

Question 20

Is bone a static tissue?

Answer 20

No

Question 21

______ and equilibration at delivery to reduce occlusal discrepancies to reduce pressure on residual ridges

Answer 21

Clinical remount

Question 22

____ ridge is partly covered by a layer of cortical bone after teeth are extracted

Answer 22

Maxillary

Question 23

____ ridge: crest remains spongy, trabeculated and not very resistant to resorption

Answer 23

Mandibular

Question 24

________ of the mandible is the primary denture support area on the mandibular arch

Answer 24

buccal shelf

Question 25

____ principle: decrease the pressure per unit area by extending the denture base to cover the max area within physiologic tolerance

Answer 25

Snowshoe principle

Question 26

More saliva contact leads to more ________

Answer 26

contact adhesion

Question 27

Proper peripheral extension leads to ______

Answer 27

good border seal

Question 28

_____ is resistance to dislodgement/ movement away from the foundation

Answer 28

Retention

Question 29

Quantity and quality of _____ affect denture retention

Answer 29

Saliva

Question 30

______: dryness that presents much difficulty for denture wearers- discomfort, ulcerations, retention loss, and chewing problems

Answer 30

Xerostomia

Question 31

Attraction of unlike molecules for each other

Answer 31

Adhesion

Question 32

The amount of ____ attributable to adhesion is directly proportional to the wettability of the denture base material, to the area covered by the denture base, and to the viscosity of the saliva

Answer 32

Retention

Question 33

_____ is resistance to movement in the horizontal plane/ resistance to rotation/ resistance to lateral movement

Answer 33

Stability

Question 34

The shape of alveolar ridges, size of alveolar ridges/vestibular depth, flange length and shape, and intimate fit of prosthesis are factors of ____

Answer 34

Stability

Question 35

Lab tech’s feeling that they should be allowed to bypass the dentist and deal directly with the public

Answer 35

Denturism

Question 36

Are dentures substitutes for natural teeth?

Answer 36

No

Question 37

Are dentures substitutes for no teeth?

Answer 37

Yes