Video Presentation: How can adverse stresses be removed during polymerization shrinkage of composites?

This short video (5.14 min) on Effects of High Irradiance on Curing Rate and Stress Generation in Dental Composites, is presented by Dr. Jack Ferracane

Dr. Jack Ferracane is Professor and Chair of Restorative Dentistry at the Oregon Health & Science University

Key Points

• By increasing the inhibitor concentration and the material, we can actually reduce the curing rate and therefore the contraction stress rate.
• It is also possible to modify the initiator that is used in the composite to slow down the contraction rate.
• There are a variety of stress-relieving mechanisms that could be related to how the composite is cured.

Watch the Video

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