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Zendo Zenith: the 3-File, 3-Step Advantage

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The Zendo Zenith series of rotary nickel titanium instruments is designed for optimal canal cleaning and shaping using only three files—the ZSC1, ZSC2, and ZSU. The sequence is adaptable for most root canal anatomies.

The ZSC1 and ZSU feature an asymmetrical cross section to create a snakelike movement of the file as it progresses down the canal, leading to better debris elimination and more efficient cleaning.

The ZSC1 is a 21-mm file with a 6% taper for 12.5 mm to initiate canal shaping, with a 0% taper for 5.5 mm. The ZSC2 which is available in 21-, 25- and 29-mm lengths, is a 4% symmetrical file for 16 mm, with a 0% taper for an additional 5 mm in the 25-mm and 29-mm length instruments. The 0% taper area in all three files provides superior debris removal, plus an increase in file flexibility.

Zenith files have three cutting edges, so as the file rotates, only one file surface contacts that canal at any given time while the other two edges collect debris and pulpal remnants and move them coronally.

Zenith 3-Step Pprotocol

Step 1: Ensure straight-line access to the canal by opening the coronal 3 mm of the canal using the Zendo Z-Flare. The Z-Flare will remove coronal overhangs and flare the orifice without fear of ledging. Follow this, and each, step with profuse irrigation.

Step 2: Establish the glide path and working length with K-type stainless-steel hand files #10 and #15.

Step 3: Shape the canal using the Zenith ZSC1, ZSC2, and ZSU.

For canal apices larger than a #25, complete the preparation with Zendo Apical Shaping files.

Watch this video for step-by-step, detailed instructions, as well as information on other Zendo files that will help you get through any unexpected contingencies.

For more file specifics, visit zendo-online.com.


Tags: Zendo 

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