Frequently Asked Questions

ThermoSens

The product is not fully injected.

Ensure correct injection temperature. Ensure correct pressure.

Not fully injected clasps.

Model the clasps thicker.

Bite raising.

Use less Vertexª Putty 1:1, make a thin layer of putty.

Tooth becomes loose.

Use at least 0.10 cm cutter for the preparation of the T-joint. Prepare a T-joint in the tooth. Clean the T-joint with boiling water. Ensure correct injection temperature.

Plaster remnants on plastic.

Remove thin edges. Improve separation method.

Discoloration of product after injection.

Ensure correct injection temperature (290°C). Ensure correct pre-heating time (18 min).

Material has become brittle after injection.

Ensure correct injection temperature. Ensure correct annealing proces.

Shrinkage.

Ensure correct injection temperature. Ensure correct annealing proces.

Embedding plaster expands from flask.

Ensure use of at least Class III gypsum for embedding.

Acrylic

The denture that is poured is retracted from the gypsum model.

Check the important steps in the pouring proces like the cooling down period of the gel, the mixing ratio, the dough time 6 to 8 minutes (depending of the material that is used), Check the temperature, the degrees of the machine and the pressure.

The acrylic is not pourable and turns too hard too quick.

Check the temperature of the laboratory. The higher the temperature of the lab the faster the materials turns hard. Keep the liquid in the regfrigerator, this will lengthen the pouring time.

Color differences with repairs.

Repair Castapress & Castavaria with Castaquick, Rapid Simplified with Self Curing.

Allergies.

Use Regular without an accelerator system or a transparant. Patients can be allergic to the color pigments which are used in the acrylic or allergic to the fibers. Polymerise as long as possible so the restmonomer is as low as possible. After polymerization place the denture in a bowl of water for a period of time.

Teeth fall out of the denture.

Use a frais to make retention to the elements and use a bonding agent like Acrybond.

High Impact for dentures on implants.

Implacryl is more solid and more resistant (up to 50% power absorbing) than conventional acrylics. Therefore it is very suitable for dentures based on implants or root remains.

It takes a long time to cure the acrylic when a tooth is added.

You can use Self Curing Quick Set for a fast setting.

Cleaning instructions for acrylic made dentures.

Use a cleaning agent that consists of only natural products, Vertex Proclean.

Porosity.

  • Wrong mixing ration.
  • Polution of the gypsum model.
  • The use of wax detergents during cleaning of the gypsum models.

Trouble with replacing the teeth in the gel.

  • Check the pouring temperature of the gel.
  • You can glue the elements with a pinpoint of super glue in the gel.
  • Place the flask in water till the right level.

The denture retracts from the model directly after the polymerisation cycle (cold-curing acrylics).

  • The polymerisation cycle has been interupted (loss of pressure).
  • There was no bench cooling after the polymerisation cycle.

Airbubbles in the denture.

  • The model was not enough saturated.
  • The model was made too dry (with the airhose) prior to the separation.

Whitening of the denture.

  • The acrylic dough is contaminated with water (by hand or through the model.
  • Incorrect mixing ratio.

Separator

White layer on the denture.

Separate the model with pure Divosep, the product is on an alginate / water base. Let it air dry (do not use compressed air).

Divosep smells.

Never put Divosep back in the bottle only use small quantities.