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.

Rubber base impression material slideshare.

A device that is used to carry confine and control impression material while. Difficult to remove if there are undercuts. An impression material sustains some deformation as it is removed from the mouth but it must rebound to its pre removal dimensions. See my price quick order type item number or scan barcode item number required please enter a patterson item number in the correct format.

Elastic impression materials 1. 123 1234 123 1234 1231234 071231234 07 123 1234. Read before the academy of denture prosthetics columbus ohio may 3 1957. Difficult to record.

Earlier materials base and catalyst tubes present materials cartridges. 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. Inaccurate portions can be remade without having to remakethe entire impression. Impression materials a brief introduction dr saransh malot 2.

The elastic properties of these elastomeric impression materials improve with an increase in curing time in the mouth. Impression a dental impression is a negative record of the tissues of the mouth. Accuracy can be improved by flaming surface material disadvantages. Dean marquette university school of dentistry.

Omniflex rubber base impression material bulk package fast set gc america inc. 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. Distortion due to poor dimensional stability. Polyether impression material developed in germany 1970s.

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. Material can be reused several times. Classification of elastomeric impression materials. It is used to register or reproduce the form and relationship of teeth and surrounding tissues.

735 north water st. An impression with a sufficiently high elastic limit should not sustain permanent deformation. New auto devices and. Latest addition and light cure elastomers 1990 2000.

Development of rubber base impression materials polysulphides and condensation silicones 1960s. Till now the elastomeric impression materials are divided into 3 types based on the material used. Following these elastic polyether impression materials were introduced followed in recent times by polyvinylsiloxane impression materials.