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1. To prevent infection, sterilize the product by autoclave and make sure sterilization is completed before using.
2. Choose the most appropriate type for each case and follow the general method.
3. Before using, make sure the instruments outside of dental cavity that there are no deformations, scratches and cracks.
4. If the head of product is thin, long or large, there are possibilities for breaking or twisting.
Because of this, be sure to avoid using unreasonable angle and excessive pressure.
5. Wear safety glasses to protect your eyes from damage. Also, wear a dust protective mask to prevent inhaling dust.
6. Wear rubber dam etc. to avoid accidental ingestion and falling.
7. Do not use this instrument for any purposes except for listed applications above.
8. Only for use by dentists.
9. After using , follow an appropriate treatment as medical waste.
10. Dispose the product if damaged or contaminated.
Product specification classification:
1. The cross section of the K file is diamond-shaped, the rotary cutting effect is weak, the thread spacing is tight, and the cross-sectional area is large. It is mainly used for filing the root canal wall.
2. The cross section of the H file is circular, and its cutting edge is almost perpendicular to the long axis of the instrument. It has high work efficiency when pulling up and down, and it is not suitable for rotary cutting. Otherwise it is easy to break. When the root canal is thick and straight and there are many debris in the lumen, the H file should be used for eugenics.
3. The cross-section of the expanding needle is triangular, and it is used for the rotation of the root canal to cut the dentin.
4. S File (spreader) is used for lateral pressure of root canal filling material. The working part is a smooth conical cylinder, and the tip of the needle is round or formed a certain angle.
5. P file (Plugger) is used for vertical pressure of root canal filler, smooth conical cylinder with straight needle tip.
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