Crosstech-Carbide Bur, FG, # 557, Straight Cross Cut Fissure, 1.0 mm, 10/Pk, FG557-10

Crosstech Carbide Straight Cross Cut Fissure Bur #557 (FG, 1.0 mm) is a cross-cut fissure carbide bur for efficient box form preparation in restorative dentistry. The straight walls and cross-cut flutes produce flat floors and defined proximal walls for Class I and Class II restorations.

• Straight cross-cut fissure design creates parallel walls and flat floors essential for posterior cavity preparations
• 1.0 mm diameter suitable for a broad range of Class I and Class II cavity box forms
• Cross-cut flutes allow more aggressive cutting compared to plain-cut fissure burs
• Ideal for cavity outline form, box preparation, and internal refinement in amalgam and composite restorations
• FG friction-grip shank fits standard high-speed handpieces
• 10 per pack; autoclave-safe for routine clinical sterilization