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
