Dentsply Sirona ProTaper Ultimate Instructions D'utilisation page 4

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Use a rubber dam system during the endodontic procedure.
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For your own safety, wear personal protective equipment (gloves, glasses, mask).
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Inspect the packaging before use and do not use the instruments if the packaging is
damaged.
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Do not use the instruments after expiration date.
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Check the instrument before each use for signs of defects such as deformations (bent,
unwound), breakage, corrosion, damaged cutting edges, loss of color coding or marking.
With these indications the devices are not able to fulfil the intended use with the required
safety level, instruments should be discarded.
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Check instrument and clean working part frequently during instrumentation, inspecting for
signs of distortion, elongation or wear, such as uneven flutes, dull spots. With these
indications that the devices are not able to fulfil the intended use with the required safety
level, instruments should be discarded.
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Instruments should not be fully immersed in a sodium hypochlorite solution (NaOCl). Only
the working part of the NiTi instrument, which is in contact with the patient should be
immersed in a NaOCl solution concentrate at NOT more than 5%.
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Exercise caution in the apical area and in canals that divide, and/or exhibit abrupt
curvatures or recurvatures.
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Irrigate abundantly and frequently the canal throughout the procedure and after each
instrument used (according to good dental practices).
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Always use minimal apical pressure. Never force the files down the canal.
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When instrument does not easily progress, clean and inspect the cutting flutes, then
irrigate, recapitulate with a manual file and reirrigate.
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For shaping extremely curved canals it is safer to use the file only to shape one canal in
order to reduce the risk of breakage. Pay attention to the following good practices:
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Use a new file and discard it after the canal was treated (single canal use).
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Use small size, flexible or/and NiTi files (this will help avoid canal transportation).
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Visually inspect the working part for all the defects listed in the former paragraph during
use (i.e after each wave).
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Avoid the standard reaming continual rotational motion and instead use small angle
motions (filing motion, watch winding oscillation motion, or balanced force technique) in
order to limit the rotational bending fatigue on the instruments and improve their expected
life.
5) ADVERSE REACTIONS
In the present technical state, no adverse reaction has been reported so far.
6) STORAGE CONDITIONS
Keep products in a dry and clean environment, away from sources of moisture and direct
sunlight.
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