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Premium 557 Carbide Dental Bur Block for Precise Cross Cut Fissures

Short Description:

The 557 carbide bur is a surgical bur specially made for multiple dental procedures. It has 6 blades and a flat end which makes it ideal for fast preparation of the gingival and pulpal walls and for amalgam preparation.


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Introducing Boyue’s Premium 557 Carbide Dental Bur Block, engineered for superior performance and precision. This top-tier dental bur block is a quintessential tool for dental professionals seeking excellence in patient care. Crafted from high-grade carbide, the 557 dental bur block provides unmatched durability and cutting efficiency, making it a must-have for intricate dental procedures.

◇◇ Product parameters ◇◇


Cross Cut Fissure
Cat.No. 556 557 558
Head Size 009 010 012
Head Length 4  4.5 4.5


◇◇ What are 557 carbide burs ◇◇


The 557 carbide bur is a surgical bur specially made for multiple dental procedures. It has 6 blades and a flat end which makes it ideal for fast preparation of the gingival and pulpal walls and for amalgam preparation.

Its cross cut design is made for aggressive cutting in high speed (FG shank). Ensure that you aren't using too much speed as they can overheat.

The 557 carbide bur is a surgical bur specially made for multiple dental procedures. It has 6 blades and a flat end which makes it ideal for fast preparation of the gingival and pulpal walls and for amalgam preparation. Its cross cut design is made for aggressive cutting in high speed (FG shank).

◇◇ How to use 557 carbide burs ◇◇


1. Start with slow RPM and increase speed rapidly until you reach the desired speed level. 
2. Do not use very high RPM as it can overheat. 
3. Don't force the bur into the turbine.
4. Sterilize before each and every use.

◇◇ Why choose Dental 557 burs ◇◇


Eagle dental carbide burs are from one-piece tungsten carbide material. Their advantages include consistent results, effortless cutting, less chatter, exceptional handling control and improved finish.

The 557 carbide bur is suitable for autoclaving and won't rust even after repeated sterilization.

Carefully designed blade structure, rake angle, flute depth and spiral angulation combined with our specially formulated tungsten carbide results in the powerful cutting performance of our burs. Boyue dental burs are engineered to deliver the most efficient cutting rate & performance for the most popular procedures. 

Boyue dental burs carbide cutting heads are made with high quality fine-grain tungsten carbide, which produces a blade that is sharper and wears longer compared to less expensive coarse grain tungsten carbide.
Blades made of fine grain tungsten carbide, retain shape even as they wear. Less expensive, large particle tungsten carbide dulls quickly as the large particles break from the blade or cutting edge. Many carbide manufacturers use inexpensive tool steel for the carbide bur shank material.
For shank construction, Boyue dental burs uses surgical grade stainless steel, which resists corrosion during sterilization processes used in the dental office.

welcome to enquiry us, we could give you full series dental burs for your need, and provide OEM&ODM services. we could also produce the dental burs according to your samples, drawings and requirements. Catelogue is under requested.



The advanced design of our dental bur block ensures optimal cutting performance with minimal effort, enhancing the overall experience for both practitioners and patients. The cross cut fissure feature offers unparalleled precision, allowing for smooth and accurate cuts, which are crucial in various dental treatments. Whether you're performing complex restorative procedures or routine dental work, Boyue's 557 carbide dental bur block stands up to the challenge, delivering consistent and reliable results every time. What sets our dental bur block apart is its meticulous manufacturing process, which adheres to the highest standards of quality and safety. Each bur is rigorously tested to ensure it meets the exacting demands of the modern dental practice. The ergonomic design not only improves operational efficiency but also extends the lifespan of the tool, offering great value for your investment. Trust Boyue to provide you with the finest dental instruments that empower you to deliver outstanding dental care with confidence and precision.

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