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FINOHIT HOTBASE
ENG Instructions for Use
1 Intended purpose
Denture base materials are intended for the
fabrication of splints, partial dentures, full
dentures and model dentures.
2 Description of product and users
2.1 Description of product
FINOHIT HOTBASE is a heat-curing methylmethacrylate-based acrylic for the production
of acrylic dentures using the ask technique.
2.2 Users
Denture base materials are used by laboratory technicians in a dental laboratory.
3 Composition
• Powder: Pearl polymerisate made from
polymethyl methacrylate (PMMA) pigments,
initiators
• Liquid: Methyl methacrylate, tetramethylene dimethacrylate, initiators, stabilisers
• FINOHIT HOTBASE is cadmium-free.
4 Indications
• For the fabrication of partial and full
dentures using the ow technique.
• For the production of splints:
Mouthguards
Bite splints
5 Contraindications
• Do not use in the case of a known allergy
to one of the components.
6 Warnings
• Liquid: Contains methyl methacrylate,
tetramethylene dimethacrylate.
• Hazard. Liquid and vapour readily inammable. Causes skin irritation. May cause
allergic skin reactions. May irritate airways.
• Powder: Contains benzoyl peroxide. May
cause allergic skin reactions. Harmful to
aquatic organisms, with long-term effects.
7 Safety instructions
• Liquid: Keep away from heat/sparks/open
ames/hot surfaces. No smoking. Use explosion-proof electrical/ventilating/lighting/
equipment. Avoid breathing vapours/spray.
IF ON SKIN (or hair): Take off immediately
all contaminated clothing. Rinse skin
withwater [or shower]. Store locked up. Dispose of contents/container in accordance
with local/regional/national/international
regulations.
• Powder: avoid release to the Environment.
8 Interactions with other medicinal
products
The dentist should consider known interactions and cross-reactions of the medical
product with other materials already in the
patient's mouth before using the product.
9 Application / Preparation
9.1 Mixing ratio
• 2.5 parts by weight powder, 1 part by
weight liquid. For a total prosthesis 25 g
powder and 10 g liquid are needed.
• Veins can be included, if desired.
• Please observe separate manufacturer’s
instructions.
9.2 Production of partial and full dentures
as well as implant-borne appliances
and model casting completions using
the ow techniques
9.2.1 Preparatory work
Produce the plaster cast and wax-up of the
teeth as usual.
The fabricated tooth set in wax is secured
with plaster or silicone (matrix/ask).
The wax is then eliminated as usual.
To prevent articial teeth from breaking off,
they must be roughened, have undercuts
made, and be wetted with monomer or a
suitable bonder.
The surfaces of the plaster models are
separated with an alginate separating agent
according to the manufacturer’s instructions.
9.2.2 Production using the ow technique
After adding the powder to the liquid, FINO-
HIT HOTBASE is homogeneously spatulated
in a mixing cup for 30 seconds.
After a dough dwelling time of approx.
10 min. the acrylic dough is ready for
processing.
After the dwelling time, it must be kneaded
for approx. 30 seconds. The processing time
at approx. 21°C is approx. 30-40 minutes.
In viscoplastic consistency FINOHIT
HOTBASE is added to the prepared ask
and pressed.
The pressing pressure must be maintained
for approx. 15 minutes.
Secure the ask in a clamp for polymerisation.
Polymerize the acrylic BH in the closed ask
with a clamp for 20 min. in boiling water (or in
the pressure pot at 95°C). Allow the ask to
cool to room temperature in the stirrup, then
deask in the usual way
9.3 Production of splints
9.3.1 Preparatory work
Produce a plaster model (cast) and block out
with suitable materials
Model the splint in wax as desired. Next,
make an
impression, create ow channels, and
remove wax.
Separate the surface of the plaster model
using suitable materials according to manu-
facturer’s instructions.
9.3.2 Processing
After adding the powder to the liquid,
FINOHIT HOTBASE is homogeneously
spatulated in a mixing cup for 30 seconds.
After a dough dwelling time of approx.
10 min. the acrylic dough is ready for
processing.
Mold the acrylic onto the model and close
the ask. Then x in the clamp and press. In
viscoplastic consistency FINOHIT HOTBASE
is added to the prepared ask and pressed.
The pressing pressure must be maintained
for approx. 15 minutes.
Secure the ask in a clamp for polymerisation.
Polymerize the acrylic BH in the closed ask
with a clamp for 20 min. in boiling water (or in
the pressure pot at 95°C). Allow the ask to
cool to room temperature in the stirrup, then
deask in the usual way.
MANI Medical Germany GmbH · Hertha-Sponer-Straße 2 · 61191 Rosbach, Germany
FINO GmbH
· Mangelsfeld 18 · D-97708 Bad Bocklet · Tel. +49 97 08 90 94 20 · Fax +49 97 08 90 94 21 · info@no.com · www.no.com 08/2023, Rev.-Nr.: 1.0
9.4 Finishing the material
After polymerisation, the splint is lifted
from the model and nished using suitable
instruments.
Silicone polishers (square-edge or knifeedge wheels or cylinders), tungsten carbide
burrs and diamond instruments are suitable
for nishing. Pre-polish with sandpaper or
pumice powder.
The polymerisation time in a pressure polym-
erisation device is 15 min., at a pressure of
2 - 5 bar and a water temperature of 45°C.
9.5 Polishing
The material is polished with goat bristle
brushes, polishing paste and soft cotton
wool discs.
Careful surface nishing and polishing is
necessary for an optimal result.
9.6 Repairs
Repairs can be made with cold-curing
polymers according to manufacturer’s in-
structions. Before applying the acrylic dough,
the fractured surfaces must be roughened,
cleaned and wetted with monomer. The
polymerisation time in a pressure polymeri-
sation device is 15 min., at a pressure of
2 - 5 bar and a water temperature of 45°C.
Please observe separate manufacturer’s
instructions.
10 Troubleshooting / FAQ List
Fault Cause Remedy
Acrylic
does not
cure
properly
Acrylic is
whitish at
base
Acrylic
forms
bubbles at
base
Acrylic
surface
white/
porous
Differences
in
colouration
following
repairs
Incorrect
mixing ratio
Inadequate
insulation
Cast not
steeped in
water
Cast not
steeped in
water
Acrylic
injected too
late or
placed in
pressure
vessel too
late
Incorrect
mixing ratio
Refer to the
instructions for
use
Ensure correct
mixing ratio
Ensure
adequate
insulation
Check
insulating
materials if
necessary
Allow cast to
steep for
approx. 10 min
in lukewarm
water
Allow cast to
steep for
approx. 10 min
in lukewarm
water
Observe the
processing
times
Ensure correct
mixing ratio
Fault Cause Remedy
Acrylic
breaks
when lifted
out
Acrylic/
denture has
whitish
streaks
Splint
breaks
11 Information on storage and handling
Storage temperature 10 - 25°C / 50 - 77°F.
Close container carefully.
12 Shelf life
The maximum shelf life is printed on the
label of each pack. Do not use after the
expiry date.
13 Warnings on side effects
With proper preparation and use of this me-
dical product, adverse effects are extremely
rare. Immune reactions (such as allergies)
or local discomfort, however, cannot be ruled
out completely. All serious incidents which
occur in connection with the use of this pro-
duct are to be reported to the manufacturer
indicated below and the competent authority
in each case.
14 Instructions for disposal
Leftover quantities and packaging materials
are to be disposed of according to the local
and/or statutory regulations.
Inadequate
insulation
Inadequate
mixing
Too much
powder used
Contouring
too thin/
unsuitable
Check
insulation
Carefully stir
acrylic dough
with spatula
Ensure correct
mixing ratio
Ensure sufcient
layer thickness
(at least 2 - 3 mm)
VA 500283
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