There are various impression techniques ranging from open mouth to close mouth methods.
Uses of different impression materials.
Unique vps impression material uses an advanced temperature sensitive formulation howard e.
Mechanical property indicates the flexibility of a material.
Impression materials are selected because of their unique qualities that allow dentists to obtain the most accurate reproduction.
In the routine practice of restorative dentistry impression materials are one of the key materials that make our practices easier and more predictable than in the past.
An impression material is classified according to specific properties.
Pvs offer advantages of improved hydrophilic nature and thus better flow precision and accurate detailing kumar and vijayalakshmi 2006.
Different types of impression materials are available which vary in their properties.
The p atient bites into the material.
Also there is a wide range of dental impression materials like the following.
A dental impression is a negative imprint of hard teeth and soft tissues in the mouth from which a positive reproduction cast or model can be formed.
The two types of material are inelastic and elastic.
A dentist uses custom made or universal size trays impression materials and lubricants to make an impression of your teeth gums and part of your jaws.
Technique accuracy taste ease of manipulation cost dimensional stability and the operator s preference will dictate the choice of impression materials figure 11 1.
Each of the materials has advantages and disadvantages but they are each used for a different purpose and are effective and commonly used products in dentistry today.
Other uses of impression materials.
T he mixed material is placed on the occlusal s urfaces of the mandibular arch.
One of the most commonly used nanoimpression materials are polyvinylsiloxanes pvs.
Storage stability there is usually a significant delay between the taking of an impression and its arrival in the dental laboratory where the model is poured.
A correctly made dental impression will capture a part or all of a person s dentition and surrounding structures of oral cavity.
Figure 11 1 impression material classification elastic properties.
It is made by placing an appropriate material in a stock or custom dental impression tray which is designed to roughly fit over the dental arches.
Different types of impression materials are available.
The differences between impression materials as outlined above are the materials themselves and the purpose they are used for.