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Lithium Disilicate Block: Revolutionizing Dental Restorations

Jul 05,2023 | dental supply

When it comes to dental restorations, like crowns, veneers, and inlays/onlays, clinicians and dental technicians are constantly seeking materials that offer both strength and aesthetic appeal. One breakthrough material that has gained significant popularity in recent years is the lithium disilicate block. In this article, we will explore the properties and advantages of lithium disilicate blocks and how they have revolutionized the field of restorative dentistry.

Lithium disilicate is a glass-ceramic material that combines the strength of ceramics with the esthetics of dental porcelain. This unique combination of properties makes it an ideal choice for fabricating dental restorations that require both durability and a natural appearance. The lithium disilicate block is made of a pre-sintered or densely pressed form of the material, which allows for easy milling and shaping by dental milling machines.

One of the major advantages of lithium disilicate blocks is their exceptional strength. They offer high flexural strength and fracture toughness, making them suitable for use in posterior restorations that undergo significant pressures during mastication. This strength also translates into increased longevity, with lithium disilicate restorations showing excellent resistance to wear and chipping compared to traditional porcelain restorations.

In addition to its strength, lithium disilicate blocks also offer exceptional optical properties, enabling the creation of restorations that closely mimic natural teeth. The material possesses a translucency similar to that of natural tooth enamel, allowing for light to pass through and reflect, resulting in restorations that blend seamlessly with the patient's surrounding teeth. This aesthetic advantage is particularly important when fabricating restorations for front teeth, where appearance plays a significant role in patient satisfaction.

Furthermore, lithium disilicate blocks are highly versatile and can be used to fabricate a wide range of dental restorations. They can be milled to create single crowns, veneers, inlays/onlays, and even implant-supported restorations. This versatility makes lithium disilicate blocks a go-to choice for many clinicians and dental technicians, as it simplifies the restorative process and reduces the need for multiple materials.

The use of lithium disilicate blocks in dental restorations also offers advantages in terms of efficiency and productivity. Due to its excellent machinability, the material can be quickly and accurately milled using CAD/CAM technology, allowing for precise and time-efficient restorations. The ability to fabricate restorations in-house reduces turnaround times and allows for greater patient satisfaction.

When working with lithium disilicate blocks, it is im