Knoop hardness depth profile of polyacid-modified composite resins
Koupis NS et al. - Shade A2 results in greater values of DoC than shade A4, the effect depending quantitatively on the formulation of the material. Some formulations of PAM-Cs do not reach a DoC of 2 mm, a layer recommended to be applied in the incremental technique. The DoC as determined according to ISO 4049:2000 apparently is based on a lower degree of polymerization corresponding to a KHN of 80% of the irradiated surface. [more...]
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