Description
How Do Accu-Prep Carbide Burs Work?
Carbide burs remove tooth tissue through their cutting edges. The working head geometry and instrument movement influence the shape of the prepared surfaces and walls.
During preparation for prosthetic restorations, tissue reduction must balance the space required for the restoration with the preservation of tooth structure. Head shape and dimensions are therefore as important as cutting performance.
Applications of Predator Accu-Prep Burs
Tooth Preparation for Crowns and Bridges
This series is intended for crown and bridge preparation. The appropriate model is selected according to the preparation area, tooth dimensions and restoration design.
Creating and Refining Finish Lines
The finish line defines the boundary of the tooth preparation. Selecting an appropriate instrument geometry helps shape this area. The range is presented for shoulder and chamfer preparations.
Occlusal and Lingual Reduction
Preparation also involves creating sufficient clearance on the chewing and tongue-facing surfaces. The model should suit the surface contours and the required reduction. Prima’s catalogue also illustrates lingual and occlusal applications for this range.
Features of Predator Accu-Prep Burs
Bulk Reduction and Margin Definition
According to the manufacturer, this series allows bulk reduction and margin definition with a single instrument. This does not mean that one bur is sufficient for every preparation stage or clinical situation.
A Variety of Shapes and Dimensions
The range includes models with different geometries and dimensions. This allows instruments to be selected according to the intended surface and preparation design.
Carbide Cutting Action
Carbide cutting edges remove tissue through a cutting action. The resulting surface quality also depends on bur condition, handpiece performance and the dentist’s technique.
Choosing the Right Model
Head Shape and Preparation Design
Bur geometry should suit the intended preparation, finish line and working area. A single shape is not necessarily appropriate for every tooth surface.
Head Diameter and Working Length
Head diameter influences the contact area, while working head length determines the extent of contact along the surface. These dimensions should be selected according to the available space and instrument control requirements.
Complete Product Identification
The shape number alone does not fully identify the product. The Predator Accu-Prep range name, model code, diameter and other specifications must be checked together, as similar numbers may appear in other product ranges.
General Specifications of the Predator Accu-Prep Series

Use and Maintenance
Before use, inspect the bur for damage, confirm shank compatibility with the handpiece and ensure that the instrument is correctly seated and securely retained. Operating speed, applied pressure and cooling must follow the manufacturer’s instructions and the requirements of the procedure.
Cleaning, sterilization and preparation for reuse must follow the instructions for the specific product. Stop using the instrument if damage, unusual vibration or abnormal performance is identified.
For more information about Prima Predator Accu-Prep Carbide Burs, assistance with model selection, stock availability or a quotation, please contact Mahta Teb Sina





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