Great Lakes Biostar V Руководство по эксплуатации - Страница 9
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Печатать страницуUse of the Pellets
A five-pound container of pellets is supplied with each Biostar. Pellets are used to
prevent the thermal-plastic material from stretching over areas of the model that are not part
of the appliance design. The pellets will flatten if compressed by the pressure chamber
on the rim of the cup preventing machine damage. Stainless steel pellets are also available
but can cause damage to the cup's rim if compressed by the pressure chamber. Use of
materials other than the manufacturer's recommended pellets may result in machine
malfunction and will void the warranty.
Work models are packed in pellets:
1. to support the model so that the occlusal-incisal plane is level with the rim of the cup.
2. to prevent the material from forming on the facial surfaces of the teeth, making it hard to
remove the appliance from the work model.
3. to prevent heated material from melting the wax used to support the wires on facial areas.
Remove model bubbles and detail the oral
anatomy with a laboratory knife. Fill holes in the
model with a quick setting stone.
When referencing the model to the platform,
make sure the base of the model is reduced flat,
parallel to the occlusal surface. In some cases, the
base is removed creating a flat horseshoe model
to eliminate excessive material stretching.
Position the model in the center of the platform,
referencing the incisors toward the locking
handle.
Apply a liquid model-separating medium (Great
Lakes Separator or Bioplast Insulator) to the
dental casts before the material is formed.
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