Biomedical Engineering Reference
In-Depth Information
FIGURE 7.14
TEM micrographs of the adhesive containing 1 wt% PAA-grafted nanoclay showing partially delaminated clay
platelets.
Si Ka1
FIGURE 7.15
Silicone map of the cured adhesive containing 0.5% PAA-grafted-nanoclay showing a good dispersion of the
modified fillers.
recurrence of decay could be mistaken. Radiopacity of the adhesive could be of importance to
avoid such misinterpretation. Adding 20 wt% of Ti
2
O
5
/SiO
2
nanoparticles (primary filler size of
10 nm) made an adhesive more radiopaque than enamel and dentin. Although the viscosity was
slightly higher than the unfilled one, shear bond strength was not affected
[23]
.
