Midterm

Question 1

Diff between support, stability, and retention?

Answer 1

Support: resistance to vertical movement to TOWARD underlying tissues

Stability: resistance to horizontal /lateral or rotational movements

Retention: resistance to displacement of denture base away from the ridge

Question 2

Useful life of a set of dentures

Answer 2

7-10 years

Question 3

Natural maxillary bearing area is ____ times larger than the mandibular bearing area

Answer 3

4x

Question 4

3rd point of reference for hanau facebow

Answer 4

infraorbital notch

Question 5

For pt with poor neuromuscular control and severely absorbed ridge, which scheme will be used?

Answer 5

Monoplane

Question 6

The major drawback for monoplane is…

Answer 6

esthetics

Question 7

4 reasons to remove the maxillary torus…

Answer 7

1. encroach in the midline

Question 8

The best way to pick teeth based on the form of the face is ….

Answer 8

geometric

Question 9

What is the sequence for selecting teeth?

Answer 9

1. shade
2. size
3. mold

Question 10

What makes denture teeth look more natural?

Answer 10

incisal edge of maxillary teeth follow the lower lip line

Question 11

What is the best way to avoid inflammation of the oral tissue due to an ill fitting denture before an appointment?

Answer 11

Remove the denture 24 hrs before the appointment.

Question 12

What are the 7 anatomical marks required to be in a maxillary impression?

Answer 12

1. Residual ridge
2. Buccal and labial vestibules
3. frenal attachments
4. fovea palatinae and vibrating line
5. palate
6. tuberosities
7. hamular notches

Question 13

What are the 8 anatomical marks required to be in a mandibular impression?

Answer 13

1. residual ridge
2. retromolar pads
3. buccal shelf areas
4. external oblique ridges
5. frenal attachments
6. retromylohyoid spaces
7. alveololingual sulcus
8. labial and buccal vestibules

Question 14

What distance between the retromolar pads and the max tuberosity requires surgical reduction?

Answer 14

2 mm

Question 15

What is the most accurate repeatable mandibular position?

Answer 15

Centric Relation

Question 16

Main purpose of posterior palatal seal?

Answer 16

Denture retention

Question 17

The main constituent in the irreversible hydrocolloid is…

Answer 17

diatomaceous earth

Question 18

How to you get the border molding for alveolarlingual sulcus?

Answer 18

move the tongue

Question 19

What determines the distal buccal corner of the mandibular denture?

Answer 19

masseter

Question 20

what helps form the distal lingual corner of the mandibular denture?

Answer 20

pharyngeal constrictor

Question 21

what happens if the denture base is short of the retromolar pad?

Answer 21

severe absorption of the alveolar ridge

Question 22

What technique does UMKC use for taking edentulous impressions?

Answer 22

selective pressure

Question 23

Why do we ask the patient to swallow when recording the OVD?

Answer 23

the teeth touch during the swallowing process

Question 24

What position is where teeth rest but likely do not touch?

Answer 24

PRP

Question 25

What sound is used to check the interocclusal dimension?

Answer 25

sibilant sound

Question 26

What is the purpose of marking the vibrating line?

Answer 26

determining the posterior border of the denture base