luke's list

Question 1

3 criteria to be fulfilled before obturation

Answer 1

assymptomatic
canal dired
full biomechanical cleaning

Question 2

three constituents GP

Answer 2

zinc oxide
radiopacifiers
plasticisers
waxes
colouring agents

Question 3

function root canal sealer`

Answer 3

fill space bwteen gp and root canal wall

provide fluid tight seal

Question 4

three generic types of sealer

Answer 4

zinc oxide eugenol
resin based
caoh
calcium silicate

Question 5

two advantages of non-y2 amalgam

Answer 5

better creep resistance

better corrosion resistance

Question 6

how does manufacturer reduce y2

Answer 6

increase copper content of allow to 12% or more

a

Question 7

zn purpose in amalgam?

what occurs due to zinc presence, mechanism..

Answer 7

scavenger- preferential oxidation before cu

delayed expansion
- mositure contamination mixed into unset amalgam paste reacts with zinc.. .:> generation H2 . forms gas filled pores that expand substantially over first day

pt experiences pain

Question 8

post features

Answer 8

extend beyond level of alveolar bone
atleast as long as height of crown
4-5mm GP remaining apically to maintain adequate apical seal

Question 9

two materials to cement definitive post and core

Answer 9

RMGI luting cement

Comp resin luting cement with dentine bonding agent

Question 10

two safety features amalgam waste containers

Answer 10

spill/leak proof

mercury vapour suppressant

Question 11

benefits inhalation sedations

Answer 11

no escort required
rapid recovery
able to drive
control of gag reflex

Question 12

mechanism of function RPI

Answer 12

saddle sinks in to denture bearing area
rotation about mesial rest
distal guide plate and i bar rotate downwards and mesially
disengage from tooth
torque forces avoided

Question 13

instructions to give parent when calling from school avulsed tooth

Answer 13

do not handle by crown
place in storage medium if cannot reimplant- saliva, milk, saline, blood
buccal sulcus

Question 14

ASA CLASSIFICATION

Answer 14

class 1= normal healthy pt
class 2= mild systemic- well controlled asthma, epilepsy
class 3= severe systemic, stable angina, copd
class 4= severe systemic, constant threat- severe copd, unstable angina
class 5= moribund pt not expected to survive without op
class 6 = declared brain dead organs to be removed for donor

Question 15

conditions where steroid use is tx

Answer 15

severe asthma
copd
addison's 
arthritis
crohn's 
lupus 
ms

Question 16

signs and symptoms adrenal suppression

Answer 16

hypoglycaemia
dehydration
weight loss
disorientation
weakness
postural hypotnesion
oral pigmentation buccal mucosa

Question 17

emeergency assoc/w/ adrenal insufficiency

Answer 17

adrenal crisis- med emergency
life threatening
insufficeint levels of cortisol