Ivoclar Vivadent IvoBase System User Manual

Ivobase, System short instructions

IvoBase

System

Short Instructions

Investing the model

Placing the injection

channels

Placing the aeration

channels

Investment in silicone

Casting the counter model

Boil out the model

Preparing for injection

– Isolate the inner surfaces with

a thin layer of petroleum jelly

– Place

access former "half"

and

flask lid

in the flask half

– Position the

filter wax

component

– Soak model in water, isolate,

and invest in dental stone
(Class III)

– Access former "half" must be

invested

flush

in the stone

– Allow the stone to set

thoroughly

– Remove access former "half"

and place

access former

"full"

– Position the

injection wax

component

on the

contouring, stone surface and
access former and press on

Maxillary complete dentures
– Press one injection channel

against the center of the
palatal roof

– Place one channel each

vestibular to the two maxillary
tubers and press on

Mandibular complete dentures
– Place injection channels to the

lingual area of the retromolar
triangle

– Separate the center channel

– Press the

aeration wax

component

anterior to the

contouring and to the center
of the filter wax component

Partial dentures
– Place an injection channel at

the dorsal end of each
denture saddle

– Place an aeration channel

anterior to the denture saddle

– Coat the surfaces of the

contoured dentures with

A-silicone

– Do not cover access formers,

occlusal surfaces and incisal

edges

– Provide the silicone with

retentive patterns

– Isolate stone-to-stone contact

surfaces with Separating Fluid

– Position the upper flask half

and lock using the locking
clasps

– Mix conventional dental stone

(Class III) and have it flow into
the flask without any bubbles

–

Skim off

excess stone

– Allow the stone to set

thoroughly

– Heat in a water bath at 90 °C

for 5-8 min

– Open the flask, remove access

former "full" and roughly
remove wax using a wax knife

– Boil out the inner surfaces

with

clean, boiling water

– Use pure water without any

additives

– Roughen basal and cervical

surfaces of the resin teeth

– Allow flask halves to cool to

below 30 °C

and check

temperature with an IR
thermometer

– Isolate stone surface with

Separating Fluid

– Apply a second coat after

5 minutes

– Insert the

aeration filter

flush into the corresponding
recess in the flask

– Push the IvoBase

funnel

into

the

centering insert

until it

stops and position it

– Assemble the two flask halves

and lock