Table 1 Chemical composition of graded nano-glass-zirconia material

Glass composition

La₂O₃ 20.0; SiO₂ 20.0; B₂O₃ 15.0; BaO 15.0; Al₂O₃ 10.0; ZrO₂ 5.0; Y₂O₃ 5.0; TiO₂ 4.0; CaO 4.0 [5]

Y-TZP powder

Tosoh, Tokyo, Japan

Y₂O₃ 5.18, ZrO₂ 94.82 [5]