misc

Question 1

what should be removed before a new RPD

Answer 1

tori
exotoses
sharp mylohyoid ridhes
epulis fissarium

Question 2

denture stomatitis

Answer 2

localized or generalized inflam of denture bearing area

Question 3

presentation denture stomatitis

Answer 3

redness and buring area with or without discomfort

Question 4

most likely cause of denture stomatits

Answer 4

trauma with secondary fungal infection

Question 5

tx of stomatitis

Answer 5

improved OH
tissue rest
nystatin
resilient conditioners
new better fitting RPD

Question 6

acute atrophic candidasis present as:

Answer 6

red atrphic patch or erythmatous and painful mucosa

Question 7

common form of? symptoms ?

antibiotic sore mouth

Answer 7

common form of atrpophic candidasis
* oral burning
* bad taste
* sore throat with broad spec abx

Question 8

what can also lead to atrophic candidasis

Answer 8

Fe anemia

Question 9

chronic atrophic candidasis includes:

Answer 9

denture stomatitis

Question 10

pap hyperplasia found where

Answer 10

palate

Question 11

pap hyper causes

Answer 11

local irritation to poor fitting denture
poor OH
leaving in 24 hrs

Question 12

tx pap hyper

Answer 12

educate on OH
adivse denture out at night
soak 30 min in 1% sodium hypochlorite
tissue conditioner
brush area lightly with soft brush

Question 13

epulis fissuratum

Answer 13

inflam fibrous hyperplasia adj to border

Question 14

cause epulis fiss

Answer 14

over extended or ill fitting flange due to long term neglect, resorption, traumatic occ via natural teeth

Question 15

tx epulis

Answer 15

surgical removal

Question 16

hyper tissue and new RPDS

Answer 16

must be removed prior to construction

Question 17

tx hyper tissue

Answer 17

tissue rest
soft reline
change in habits
surgery

Question 18

impression with hyper tissue

Answer 18

capture in passive state

Question 19

why remove hyper before new RPD

Answer 19

provode RPD with a firm, stable base

Question 20

kellys combo

Answer 20

refers to specific pattern bone resorb in ant maxilla due to CD opposed by man RPD

Question 21

lose of support in combo

Answer 21

both max and man are resorbed (opposite directions)

Question 22

combo occ forces focused where?

Answer 22

in ant sextants

Question 23

result combo syndrome

Answer 23

tipping of occ plane

Question 24

combating combo syndrome

Answer 24

continous reline or implant placement in posterior, helps to stabilize the occ plane with more equitable force distrib

Question 25

tissue conditioners

Answer 25

soft materials applied to intaglio to allow better force distrib used to tx unhealthy/abused tissues

Question 26

tissue conditioner state

Answer 26

soft/deformable,

Question 27

tissue conditioner duration

Answer 27

about 1 week, replace every 3-5 days will bcome solid after this and become irritant themself

Question 28

tissue conditioner composed of:

Answer 28

powder (acrylic monomer) and liquid (ethyl alc and aromatic ester) mixed to form a gel

Question 29

mechanism of how cond works

Answer 29

distrib forces and acts as a cushion

Question 30

when to apply tissue cond

Answer 30

intaglio checked with PIP, occ refined then cond placed

Question 31

how to keep cond off cameo

Answer 31

seperator applied

Question 32

distribution of cond

Answer 32

even layer added to intaglio with spatula

Question 33

seating RPD with cond in mouth

Answer 33

light finger pressure, maintain as material flows border tissues manipulated to mold conditioner

Question 34

when using conditioner, if post artificial teeth present pt must:

Answer 34

must close teeth together while material still flowing to establish proper occ

Question 35

once cond seated and aligned pt must:

Answer 35

sit 4-5 min

Question 36

when RPD with cond out of mouth ot should:

Answer 36

submerge in cleansing solution or water, do not allow it to dry

Question 37

how is WW fabricated

Answer 37

drawing the metal from which its made into a wire

Question 38

# allows? elong % of WW

Answer 38

more than 6, allows clasps to bend

Question 39

WW vs cast metal

Answer 39

CM is any metal that is melted and cast into a mold when casting s cold worked to provide req article it is wroght metal mechanical properties of WW are superior to CM

Question 40

WW has ____% greater strength, hardness, tensile strength then the cast alloy it was made from

Answer 40

25

Question 41

ww flex, adjustability, toughness and ductility

Answer 41

better than CM

Question 42

success of WW clasps depends on

Answer 42

physical properties and changes that can occur in fab

Question 43

how can WW properties be compromised by the lab

Answer 43

improper heating and cooling

Question 44

too much heat and WW

Answer 44

can cause recrystalizaton or grain growth= least desireable occurance WW

Question 45

Cr-Co popularity due to:

Answer 45

low density/weight stiffness low cost tarnish resistant

Question 46

Co-Cr alloys comapred to gold/palladium alloys

Answer 46

more rigid

Question 47

compostion for Co-Cr alloys

Answer 47

cobalt, chromium, nickel, carbon

Question 48

cobalt in the alloy property

Answer 48

strength, rigidness and hardness

Question 49

chromium in alloy allows:

Answer 49

corrosion and tarnish resistance

Question 50

nickel in alloys allows

Answer 50

ductility

Question 51

gold alloy flex?

Answer 51

approx 2x Co-Cr

Question 52

Co-Cr advantages

Answer 52

stiff low cost low weight/density

Question 53

possible cause of failure in Co-Cr alloys

Answer 53

cold working shrinkage porosity low % elongation excessive C in alloy