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Composition
The instrument's working part is made from heat-treated nickel titanium alloy, which gives increased flexibility while retaining strength.
The shank is type 1 according to EN ISO 1797-1.
Warnings
• The instrument contains nickel and it should therefore not be used in patients with known allergy to this material.
• The instrument is intended for single use and must not be re-used.
Precautions
• Big Apical Files are single-use instruments designed for the preparation of no more than one molar )a tooth with 4 root canals(.
• Check the instruments for defects before and during the treatment. If there are any defects, the instruments must be disposed of.
• Never work without irrigant in the canal.
• Be careful in areas with severely curved canals.
• The instruments must be used cautiously and slowly, using an in and out pecking motion.
Work in the canal should be kept as brief as possible.
• Clean the cutting flutes after every 3 to 4 repetitions during instrumentation.
• Always apply rubber dam.
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