Difference Between Heavy Body And Light Body Impression Material

Depending on the restoration or impression needed various viscosity vps are used.

Difference between heavy body and light body impression material.

The same procedure will facilitate spreading of heavy body material on the impression tray and retain it in the tray. In the two step putty light body technique the details are recorded by the light body material only 1 the problem of accuracy of impressions has reported that over 89 of the impressions investigated had one or more observable errors2 3 several factors can influence the quality of impressions including technique4 8 the material5 9 the bulk. Difference between stock trays and custom trays. Administered with a syringe to a heavy body putty for bite impressions.

Set time can vary depending on viscosity and different vps brands but often ranges anywhere from 2 to 5 minutes. Impression materials are used to obtain an accurate replica of hard and soft oral tissues. Impression material basics john o. Elastomeric impression materials are used in a variety of dental procedures and improved delivery systems and materials with better properties have made the impression technique more predictable figure 1.

What is viscosity control and the difference between light and heavy body materials. This phenomenon is called shear thinning chapter 3. Vps impressions allow for better fitting restorations. Heavy body light body medium body multiple regular body.

With the exception of the very high viscosity putty materials all polyvinyl siloxanes light medium and heavy body achieve this. This accelerates the setting reaction resulting in the shortest intra oral setting time among leading vps materials. Vps viscosity can range from light body. Very low viscosity materials can reproduce lines 1 2 µm wide 5 12 13 it should be noted that the literature does not tend.

The material allows for a range of viscosities from light body that can be administered with a syringe to heavy body and putty materials often used for bite impressions. With heavy impression material the tray distorts distorting your impression but a lot of dentists still use these. Innovative active self warming technology makes imprint 4 impression material rapidly heat up to body temperature. Iii light body impression material must reproduce a line 0 020 mm in width.

1 minute 1 minute 15 seconds 1. Depending on the restoration or impression needed various viscosity vps materials can be used.