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: You can view the abstract and request a full-text copy directly from the authors if a public version is not currently hosted. Download versluis1998 pdf
: The resulting "polymerization shrinkage stress" can lead to enamel cracks, post-operative sensitivity, and gaps that allow for secondary cavities. Because this is a copyrighted academic article, direct
The 1998 study used to challenge the common belief that dental composites primarily shrink toward the curing light. The researchers discovered that: The 1998 study used to challenge the common
4-6 Versluis A, Tantbirojn D, Douglas WH. Do Dental ... - Scribd
: Shrinkage creates complex stress fields. Paradoxically, some "incremental" filling techniques (placing material in layers) can actually increase tooth deformation compared to a single "bulk" fill.
: The direction of shrinkage is actually determined more by the bonding between the composite and the tooth and the shape of the cavity rather than the position of the light.