Excellent 3D Print Dental PFM CoCr Crown
The Dental PFM CoCr Crown is a high-performance prosthetic solution combining a cobalt-chromium (CoCr) alloy framework with porcelain-fused-to-metal (PFM) restoration. The CoCr base offers 800+ MPa tensile strength, ensuring resistance to fracture and wear, while its biocompatible, nickel-free composition suits sensitive patients. Precision casting creates a seamless margin fit, reducing microleakage and secondary caries risk. The PFM layer mimics natural tooth enamel with customizable shade matching and light-reflective properties, ideal for anterior and posterior restorations. It requires minimal tooth reduction, preserves adjacent structures, and withstands occlusal forces up to 400 N. Rigorously tested for marginal integrity and color stability, this crown balances durability with aesthetic naturalness for long-term functional restoration.
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UPS, FedEx, DHL, etc. |
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5 years |
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3 days in lab |
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: Use high-grade nickel-free CoCr alloy (>=800 MPa tensile strength) and PFM layers with matching thermal expansion to prevent delamination.
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Vacuum-cast the CoCr framework to minimize porosity, ensuring seamless margins (gap <=40 μm).
Etch the framework surface and apply bonding agents before layering porcelain, firing in controlled furnaces (ramp rate <=5℃/s) with <=2 re-firings.
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Prepare teeth with 1.2–2.0 mm reduction, designing chamfer margins for fit.
Use digital occlusion analysis to eliminate bite issues and apply resin cement with thorough cleanup.
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Visually and radiographically inspect margins and voids.
Simulate 1–2 million cycles of 400 N loading to test fatigue resistance.
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Advise against bruxism (use splints) and hard objects.
Recommend daily oral care and bi-annual check-ups to monitor for chipping or marginal issues.
This approach balances strength, aesthetics, and longevity, with 10-year survival rates often exceeding 90%.