Uses Of Different Impression Materials

Impression materials are selected because of their unique qualities that allow dentists to obtain the most accurate reproduction.

Uses of different impression materials. 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. A dental impression is an imprint of teeth and or soft tissues formed with specific types of impression materials that is used in different area of dentistry including prosthodontics. The differences between impression materials as outlined above are the materials themselves and the purpose they are used for. 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.

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. Unique vps impression material uses an advanced temperature sensitive formulation howard e. 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. T he mixed material is placed on the occlusal s urfaces of the mandibular arch.

Other uses of impression materials. Figure 11 1 impression material classification elastic properties. Technique accuracy taste ease of manipulation cost dimensional stability and the operator s preference will dictate the choice of impression materials figure 11 1. A correctly made dental impression will capture a part or all of a person s dentition and surrounding structures of oral cavity.

Different types of impression materials are available. An impression material is classified according to specific properties. The elastic impression materials must then be used but as most are actually viscoelastic materials see chapter 1 6 there is a possibility of some permanent deformation. Pvs offer advantages of improved hydrophilic nature and thus better flow precision and accurate detailing kumar and vijayalakshmi 2006.

There are various impression techniques ranging from open mouth to close mouth methods. Mechanical property indicates the flexibility of a material. The two types of material are inelastic and elastic. One of the most commonly used nanoimpression materials are polyvinylsiloxanes pvs.

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. Also there is a wide range of dental impression materials like the following. The p atient bites into the material.