1 PREPARING ALGINATES
Dec 17, 2015
2 PREPARING ALGINATES
we recommend shaking the sachet, resp. the jar well before using the material
– homogenizing the material
don’t compress the material in the measuring scoop
3COLOUR INDICATIONCOLOUR INDICATION
Mixing Working
2:30 minSetting time
Setting in the mouth 30 s
Working time 1:50 min
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Upper jawUpper jaw3 3 scoopsscoops + 3 cups3 cups ((guage marksguage marks)) (powder) (water) Lower jawLower jaw2 scoops2 scoops + 2 cups2 cups ((guage marksguage marks))
(powder) (water)
Preparing - DosagePreparing - Dosage
1. water 2. powder
6Preparing - MixingPreparing - Mixing
1.1. VIOLET VIOLET phase phase ––
the mixing is done by long the mixing is done by long strokes with a plastic spatula strokes with a plastic spatula along the mixing jar walls.along the mixing jar walls.
MIXING30 s30 s
7Preparing - ApplicationPreparing - Application
2.2. DARK PINKDARK PINK phasephase – –
Application of Application of the substance to the substance to the impression the impression
traytray
fill the impression tray to the edge optimum impression layer optimum impression layer is is 4 – 6 mm4 – 6 mm
8Impression Impression – – Tray insertionTray insertion
3.3. LIGHT PINK LIGHT PINK phasephase – –
Inserting the trayInserting the tray into patient’s into patient’s mouth mouth
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Fixing the impression Fixing the impression in the mouth – in the mouth –
setting in the mouthsetting in the mouth
Impression - FixingImpression - Fixing
4.4. WHITEWHITE phasephase - -
10Impression – DisinfectionImpression – Disinfection
1. Rinse the impression under running water
2. Disinfect in aqueous disinfection solution
e. g. Jodisol (in ratio 1:10)
30 s30 s
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SETTING TIME SETTING TIME IS AFFECTED BY:
1.1. TEMPERATURE OF WATER and AIR TEMPERATURE OF WATER and AIR –
recommended temperature is 23 ºC
2. HARDNESS OF WATERHARDNESS OF WATER – distilled or deionized water
PREPARING ALGINATES
at higher temperatures and water hardness, the setting time is prolonged and the colour intensity of alginate impression material is changed.
12STORING ALGINATES
Generally recommended pouring time is within 1 hour Prolonged pouring time according to the manufacturer‘s
recommendation – when appropriate storage conditions are ensured:
100% humidity (transport box, PE bag with wet absorbent pad) avoiding deformation – fix in the holder, on the impression tray
1. Impression storage
13STORING ALGINATES
In a dry and dark place, at 5 ºC to 25 ºC, in a well sealed container
We recommend pouring the contents of the sachet into the jar, which can be sealed to avoid degradation of the powder by exposure to humidity and air
2. Material storage
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YPEEN® YPEEN®
PREMIUMELASTIC®
CROMO
Composition older type new new
Mixing standard easy easy
Viscosity high optimum optimum
Setting time 2: 30 min. 2:15 min. 2:30 min.
Impression storage 24 h 48 h 120 h120 h
Colour green greenColour changeColour change
(violet – pink – white)
Aroma mint mint cherry
ALGINATES SpofaDental