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Comparison of some properties of the three materials [50].
| In-Ceram alumina | IPS-Empress II | Top-Ceram | |
|---|---|---|---|
| Manufacturer | Vident, Brea, CA, USA | Ivoclar Vivadent, Amherst, NY, USA | Global Top Inc., Goyang-si, Gyeonggi-do, Korea |
| Mean fracture loads (N) | 941.80 (±221.66) | 534.00 (±110.84) | 696.20 (±222.20) |
| Flexural strength (MPa) | 236-600 | 340-400 | — |
