Biaxial Flexural Strength of High-Translucence Monolithic Ceramics upon Various Thicknesses

Figure 4

SEM micrographs (X10 K) indicated roundish needle-like crystal contents for Celtra^® DUO; Cc (a), Vita suprinity^®; Vc (b), and multiple crystal structures for Bruxzir^®; Bc (c). Fractographic micrographs (X45) of Cc (d), Vc (e), and Bc (f) indicated a straight-line crack pattern with narrow flaws.

(a)

(b)

(c)

(d)

(e)

(f)