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Perfect your preps with the DIAO - KP6856, a tapered round shaped (chamfer) coarse diamond used for crown preparation. Komet's DIAO, a next-generation diamond designed with pearls for precise cutting, excellent control and long-lasting sharpness. Size 021 is available in XL.
Features:
- Next-generation diamond designed with pearls for precise cutting, excellent control and long-lasting sharpness without the chatter
- Easy control to remove material quickly and effortlessly
- Produces less heat and saves healthy tooth structure
- Efficiently removes tooth structure with less pressure and more control
- Reduces dental build up, making it easier to clean and reprocess
- Easily identify DIAO with its rose gold color
S-Diamond to DIAO Diamond Conversion:

Directions for use:
- Use at an optimum speed of 160,000 rpm, preferably in a red contra-angle or, alternatively, in a turbine. Instruments subject to a speed limit of 300,000 rpm are not authorized for use in a turbine (e.g., KP6370.314.030/035 or KP6845KR.314.025—see information on the label).
- Always provide sufficient spray cooling of at least 50 ml/min.
- For good preparation results, the surface should be smoothed with a finisher of matching shape after the initial preparation.
- The instruments remove substance very effectively. Therefore, only low pressure (< 2 N) needs to be applied during use.
The DIAO - KP6856 tapered chamfer removes materials quickly and effortlessly.
Efficiency Created from Diamonds and Pearls.
The innovative diamond coating of DIAO burs is interspersed with ceramic pearls. This concentrates pressure on the tips of the diamond grains, greatly increasing their cutting efficiency.
34% Longer average service life 27% Greater initial sharpness
*Source: Komet Dental test laboratory, mechanical cutting test, 2020.
DIAO is a next-generation diamond bur interspersed with ceramic pearls to provide excellent control, extreme durability and easier cleaning.
Friction Grip:
- KP6856.314.012: 5-Pack (Item Number: 1902142)
- KP6856.314.014: 5-Pack (1902143)
- KP6856.314.016: 5-Pack (1902144)
- KP6856.314.018: 5-Pack (1902115)
- KP6856.314.021: 5-Pack (1902145)
View the Komet DIAO Product Sheet
View the Komet DIAO Product Brochure
View the Komet DIAO to S-Diamond Conversion
View the Why I Use DIAO by Dr. Bizga, DDS