Rubber Base Impression Material Slideshare

The introduction of rubber based polysulfide impression materials was followed by silicone based materials both of which are still in use. Earlier materials base and catalyst tubes present materials cartridges. 123 1234 123 1234 1231234 071231234 07 123 1234.

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Elastomeric Impression Materials

Elastomers

Impression Materials 1

Silicone Based Impression Materials

Elastomeric Imp Mat

Elastomeric Impression Materials Dental Implant Courses

Till now the elastomeric impression materials are divided into 3 types based on the material used.

Rubber base impression material slideshare.

Latest addition and light cure elastomers 1990 2000. See my price quick order type item number or scan barcode item number required please enter a patterson item number in the correct format. Classification of elastomeric impression materials. The elastic properties of these elastomeric impression materials improve with an increase in curing time in the mouth.

Polyether impression material developed in germany 1970s. It is used to register or reproduce the form and relationship of teeth and surrounding tissues. An impression with a sufficiently high elastic limit should not sustain permanent deformation. Inaccurate portions can be remade without having to remakethe entire impression.

A device that is used to carry confine and control impression material while. An impression material sustains some deformation as it is removed from the mouth but it must rebound to its pre removal dimensions. Material can be reused several times. Difficult to remove if there are undercuts.

735 north water st. Read before the academy of denture prosthetics columbus ohio may 3 1957. Impression materials elastic chemical reactions irreversible alginate elastomers polysulphides polyethers condensation silicon addition silicon temperature change reversible agar hydrocolloid chemical reactions irreversible plaster of paris zno eugenol temperature change reversible impression compound. Accuracy can be improved by flaming surface material disadvantages.

Impression material any substance or combination of substances used for making an impression or negative reproduction. Direct inhibition direct contact with latex gloves impression are made with rubber dam in place mechanism of inhibition element sulphur react with chloroplatinic acid catalyst present in pvs impression material. Elastic impression materials 1. These are basically synthetic rubber based materials which were initially called as rubber impression materials but currently they are known as non aqueous elastomeric impression materials.

Compress soft tissue while making impression. Addition silicone was introduced as a dental impression material 1988. Development of rubber base impression materials polysulphides and condensation silicones 1960s. Dean marquette university school of dentistry.

Following these elastic polyether impression materials were introduced followed in recent times by polyvinylsiloxane impression materials. Impression a dental impression is a negative record of the tissues of the mouth. Difficult to record. Distortion due to poor dimensional stability.

Impression materials a brief introduction dr saransh malot 2. New auto devices and. Omniflex rubber base impression material bulk package fast set gc america inc.