Health And Safety Flashcards
What are the main three Health and safety groups assocoiated with dental materials?
MSDS
COSHH
RA
What is the MSDS?
this is the materials safety data sheet
it is supplied with all materials and is avalaible on the internet
What is COSHH?
Control Of Substsances Hazourdous to Health
it explains risks and hazards associated with chemical use in the work place
What is RA?
Risk assessment
it details the emergency procedures and evacuation procedures
What are some hazards associated with dentistry?
Light curing unit Resins: Bisphoenal A and MMA Etchants and bleaches Amalgam and Merucry handling Mercury disposal Latex gloves
What is the issue around the safetyl of lght curing units?
used to use UV light to cure composte
no no longer use UV light but instead use visible blue light however, some may still emit UV lincluding UV-A
Which type of light curing unit does not emit UV?
diode lights
What type of effect has bisphoenol A resin been shown to have in stidies?
stidies on mice show oestrogen like effect
T/F Bisphoenal A resin is one of the most commonly used resins in composites?
F
Not these days
How can Bisphospoenal A get into composites?
As a breakdown product from other compoents eg bis GMA and bis DMA or left as a trace material
T/F Bisphoenal A has been shown to be as damaging in humans as in mice?
F
no convinceing eveidence
What is the most common cause of adverse reactions for dental technicians?
Methyl Methacrylate
60%!!!!!
What can methyl methacylate be found in?
composite as a diluant resin
acrylic
T/F MMA can penetrate gloves in minutes?
t
WHat percentage echnats and bleaches do we commonly use?
35% phosphorc acid for intracoronal composte
40% phosphoric for preparing for resin luting cements
0.5% NAOCL in endo
T/F Mecury is very volatile?
T
How should Hg old amalgam be stored?
under water unbreakable seal
tightly sealed container
What should you do for any amalagm spillage?
cleaned up immediatly
What type of method do we use when handling amalagam?
no touch method
How can people respond to latex allergy?
milder: contact dermatitis
more sevre: anaphylaxis
possible resp problems
T/F there is sensitsation with latex allgery?
t
the more times you wear them the worse the reaction gets
T/F non powdered gloves are better for some poepl?
T
What can you do if ou siffer from latex sensitivity?
change gloves often
use hand cream
use non powdered gloves or glove liner
What should you doif yuo siffer from latex allergy?
Use non latex gloves
What is an example of a non latex glove?
nitrile
WHen are pateints at most risk of mercury?
placing and removal of amalgam
Who has a greater risk from Hg, team or patient>
Team
since they have a greater frequency of exposure