Manipulation, disinfection, and considerations of Polyether impression material

1	EQUAL LENGTH of base and activator paste are taken
2	PAPER PAD WITH GRADUATIONS is provided by manufacturer
3	Pastes are mixed till NO STREAKS are present.
4	Tray coated with TRAY ADHESIVE, then a UNIFORM TWO LAYER coat is applied & allowed to dry
5	The mixed material can either be taken in a SYRINGE or loaded directly in the TRAY.

manipulation of polyether impression material

immersion, sodium hypochlorite

polyether impression material can be disinfected by [?] in [?]

base, activator paste

in manipulation, equal length of [?] and [?] are taken

paper pad, graduations

in manipulation, {?[ with [?] is provided by manufacturer

no streaks

in manipulation, pastes are mixed till [?] are present

tray adhesive, uniform 2 layer coat

in manipulation, the Tray is coated with [?] , then a [?] is applied & allowed to dry

syringe, tray

The mixed material can either be taken in a [?] or loaded directly in the [?]

1	Material is VERY STIFF, makes it difficult to remove WITHOUT ROCKING -        When removing the impression, BREAK THE SEAL and ROCK SLIGHTLY to PREVENT TEARING
2	WATER, SALIVA, AND BLOOD affect the polyether material
3	Added moisture will INCREASE the impression’s MARGINAL DISCREPANCY
4	Increased WATER ABSORPTION occurs when a THINNING AGENT is used
5	Has LOW tear strength
6	POOR taste
7	Need to use MIXING MACHINE -        but hand mix for light body

considerations for polyether material (dictate)

very stiff

a consideration of polyether material is that it is [?] , makes it difficult to remove WITHOUT ROCKING

break the seal, slightly, tearing

-        When removing the impression, [?] and ROCK [?] to PREVENT [?]

water, saliva, blood

[?] affect the polyether material

marginal discrepancy

Added moisture will INCREASE the impression’s [?]

thinning agent

Increased WATER ABSORPTION occurs when a [?] is used

low

poly ether impression material has [?} tear strength

poor

polyether material has [?] taste

mixing machine, hand mix

for polyether impression material, there is a need to use [?] but [?] for light body