FG shank; #245 cross-cut tapered fissure geometry 0.8mm head diameter; amalgam and composite prep use Tungsten carbide; 3x stronger than stainless steel High concentricity; no chatter; smooth accurate cutting Optimum durability and sharpness; multiple uses Quantity: 100 per Pack Midwest Carbide Bur, FG, Cross-Cut Tapered Fissure, #245 is used for Class I and Class II cavity preparation in amalgam and composite restorative procedures where the #245 cross-cut tapered fissure bur geometry provides the access and cutting efficiency required to open, extend, and refine occlusal and proximal box preparations in posterior teeth at the precision and wall smoothness that restorative cavity preparation technique demands. At 0.8mm head diameter, the #245 occupies the standard preparation size range for most posterior tooth cavity work, providing the balance between access width and cutting surface area that allows efficient preparation of occlusal fissure openings and proximal box floors without excess tooth structure removal beyond the preparation design.Restorative dentists and dental assistants who use FG carbide burs for routine posterior cavity preparation in both amalgam and composite restorative workflows find Midwest Carbide Bur #245 the standard cross-cut tapered fissure bur for their active operatory bur supply. ? Each pack contains 100 individual FG #245 carbide burs in a clinic pack format providing a substantial operatory bur supply for active daily restorative use across multiple procedure types and operatories. Tungsten carbide construction provides three times the hardness of stainless steel at the cutting flute surfaces, maintaining the sharpness of the cross-cut tapered fissure geometry across the preparation sequence and through multiple uses before the cutting efficiency declines to the point of replacement. Clinic pack quantity of 100 supports the single-use or limited-use bur replacement protocols that infection control and cutting efficiency standards recommend for high-volume restorative practices, providing sufficient bur supply for consistent cutting performance across the practice's full appointment schedule. ? Midwest Carbide Bur #245 works through the cross-cut tapered fissure geometry where the tapered cylindrical bur head widens slightly from tip to shoulder and carries cross-cutting flutes on the lateral surfaces that provide efficient lateral wall cutting during cavity preparation, allowing the bur to cut in all directions from its position within the preparation to open, widen, and refine cavity walls and floors.High concentricity achieved through meticulous manufacturing precision keeps the bur rotating on its intended axis without the eccentric wobble that concentricity deviation introduces during high-speed rotation, eliminating the chatter and vibration at the cutting head that imprecise bur manufacture generates during active preparation. Chatter-free cutting produces smoother preparation walls, reduces micro-fracturing of enamel and dentin at preparation margins, and reduces patient discomfort from the tactile and acoustic components of vibration during the preparation sequence. Cross-cut flute pattern on the bur lateral surfaces provides bi-directional cutting capability during lateral sweeping motions within the preparation, cutting on both the push and pull stroke rather than only in one direction as plain-cut fissure burs do. ? Restorative dentists preparing Class I amalgam restorations on occlusal surfaces of first and second molars find the #245 provides the access width and cutting efficiency to open tight developmental fissures and extend the preparation to sound enamel margins in a controlled cutting sequence without requiring multiple bur changes across the access and extension steps.Dental assistants managing restorative instrument tray setup for amalgam and composite preparation appointments find the 100-count clinic pack maintains bur supply for single-use protocol compliance across high-volume daily restorative scheduling without frequent restocking interruptions. ? Midwest Carbide Bur, FG, Cross-Cut Tapered Fissure, #245 gives dental practices a tungsten carbide, high-concentricity, chatter-free FG clinic pack bur in the standard 0.8mm #245 cross-cut tapered fissure geometry for amalgam and composite cavity preparation, in a 100-count pack suited for active daily restorative use across posterior preparation workflows. For dental offices ordering FG carbide bur supplies for restorative operatories, the Midwest #245 clinic pack delivers the cutting precision, tungsten carbide durability, and smooth preparation performance that consistent posterior cavity preparation requires.
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