Benefits:
Tip transversing blade on tungsten carbide burs to facilitate penetration of the crown material
Time savings
Reduced heat generation thanks to effective chip spaces
Outstanding durability
Recommendations for Use:
When cutting materials that tend to “jump” (ex. certain non-precious alloys), use the instrument in the turbine and apply a low contact pressure
To take full advantage of the instrument’s shape and size, apply the instrument at an angle of 45 degrees to the crown
Always apply sufficient coolant (at least 50 ml/min)
Do not exceed a maximum contact pressure of 2N
4ZRS (Jackie)
Product Description
For cutting all-ceramic crowns and bridges
Crown cutter 4ZRS | JackieTM
The newest additon to the team of Komet’s crown cutters is JackieTM (4ZRS), which addresses the challenge of removing adhesiv-bonded, all-ceramic crowns. Optimized for use on zirconia and other high-strength ceramic materials, the JackieTM crown remover (4ZRS.FG.016) is uniquely engineered to slit crowns and bridges to simplify final fracture and removal with a hand instrument. With a length of 4 mm and a tapered working end, the cutter is ideally suited for creating lingual, occlusal, and buccal separating joints, which are essential when working to remove adhesively bonded restorations.
Advantages:
Tip transversing blade on tungsten carbide burs to facilitate penetration of the crown material
Time savings
Reduced heat generation thanks to effective chip spaces
Outstanding durability
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