The Mechanical Properties of a Poly(methyl methacrylate) Denture Base Material Modified with Dimethyl Itaconate and Di-n-butyl Itaconate

Figure 7

SEM images of brittle fractures of PMMA denture base material modified with (a) 2.5 wt% of DMI, (b) 2.5 wt% of DBI, (c) 10 wt% of DMI, (d) 10 wt% of DBI, and (e) commercial PMMA denture base material (original magnification 200 times).

(a)

(b)

(c)

(d)

(e)