9. Denture Bases, Occlusal Relationships & Tooth Selection

Question 1

Denture Base
 Supports the ____ teeth
 Receives functional forces from ____ and transfers
forces to supporting structures
 Most ____ in distal extension prosthesis
 Adds to the cosmetic effect of tooth replacement
 Stimulation of underlying tissues of residual ridge within physiologic tolerance to maintain form and tone to prevent disuse ____

Answer 1

artificial
occlusion
critical
atrophy

Question 2

Denture Base

The bases are extended within the limits of ____ activity of surrounding oral structures

Answer 2

physiologic

Question 3

Denture Base
A. Maxillary denture base covers ____ and extends
into ____ with adaptation along the posterior border but not onto the ____.
B. Mandibular denture base covers ____ pads and extends into ____. Primary stress bearing areas are the ____

Answer 3

tuberosities
pterygomaxillary notches
soft palate

retromolar
retromylohyoid fossae
buccal shelves

Question 4

Ideal Denture Base Material
 Accuracy of adaptation to tissues
 Dense, nonirritating surface which holds a good finish 
 Thermal \_\_\_\_
 Lightweight in the mouth
 \_\_\_\_, resistance to fracture
 Cleansable
 \_\_\_\_
 Ability to reline
 Low cost

Answer 4

conductivity
strong
esthetic

Question 5

Metal Base vs Acrylic
 Accuracy and permanence of form, interfacial surface tension
 Comparative tissue response, naturally ____
 Thermal conductivity,
helps avoid feeling of a ____ body
 Weight and bulk, thinner

Answer 5

cleaner

foreign

Question 6

Metal Base
 A- Teeth set ____ completion of framework
 B- Anterior teeth adjusted to ____ for ridge lap
 C- Metal ____ adds strength

Answer 6

before
ridge
reinforcement

Question 7

In fixed, we want ____ guidance. In complete dentures, we want ____ occlusion (i.e. no canine guidance w/ interferences). Now, with PRDP there are mul8ple scenarios that call for different occlusal rela8onships based on the ____ of the PRDP and what is opposing it
-Anything that opposes a maxillary denture will need a ____ occlusion (to help it have be

Answer 7

canine
balanced
design

balanced

Question 8

Take a look at these occlusal relationships…

Answer 8

ok

Question 9

Class III Opposing Class III
Tight ____
____ Contacts
No ____ Contacts

Answer 9

centric occlusion
working
balancing and protrusive

Question 10

Class I Opposing Maxillary Complete Denture

Full ____ Occlusion

Answer 10

balanced

Question 11

Class I Opposing Maxillary Natural Dentition

Maximum ____
____ Contacts
No ____ Contacts

Answer 11

intercuspation
working
balancing and protrusive

Question 12

Class I Opposing Class I
Working Contacts

____ contacts to minimize tipping of maxillary PRDP and to distribute forces to ____ and residual ridges

Answer 12

balancing

abutments

Question 13

Class IV Maxillary Opposing Natural Dentition

Contact of opposing anterior teeth in the ____ to prevent continuous eruption of the opposing natural incisors

Contact of anterior teeth in eccentric positions is ____
to eliminate unfavorable forces to the maxillary anterior residual ridge

Answer 13

centric occlusion

avoided

Question 14

Replacement Teeth
 Should occlude with opposing teeth like ____ teeth.
____ relationship

Answer 14

natural

cusp-fossa

Question 15

Framework should not interfere with Functional ____

Answer 15

occlusion

Question 16

Maintaining Occlusion
 In healthy occlusions:
 Carefully assure occlusion is restored to bilateral and simultaneous contact with no interferences from prosthesis in centric occlusion, centric relation, unilaterally, or in excursive movements:
 \_\_\_\_
 Denture \_\_\_\_ 
 Denture \_\_\_\_

Answer 16

framework
teeth
base

Question 17

Teeth touch the same with or without the PRDP frame in ____ and ____ excursions

Answer 17

protrusive

lateral

Question 18

GOAL: Bilateral Simultaneous contact of the natural and replacement teeth
Teeth should all ____ at the same time
Even force ____
 Maintain or restore the ____ dimension

Answer 18

touch
bilaterally
vertical

Question 19

____ occlusal contacts are the easiest to create and most stabilizing contacts for all removable prosthesis.

Answer 19

lingualized