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Anodizing – Dental Instrument Case Application

Anodizing is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts. Anodizing increases resistance to corrosion and wear.

Schematic diagram of the formation of aluminum alloy oxide film

Alumina film under microscope

The dental instrument case is a storage box related to orthodontic screws and handle screwdriver blades. In actual use in clinics, the instrument case will be sterilized together with the dental tools, so in addition to the basic loading structure design of the instrument case, the tolerance to high-temperature sterilization should also be considered.

Sterilizers commonly used in dental clinics are as follows:

Using the correct anodic sealing process will affect the resistance of the instrument case to surface oxide layers and appearance under autoclaving. Generally, after high-temperature sterilization of the anodized seal, the surface oxide layer has poor tolerance, which is easy to causes variation in the appearance of the instrument case.

Rainbow pattern appears on the surface after high temperature sterilization

Bomei adopts a special sealing method in the anodizing process to improve the tolerance of the surface oxide layer so that the appearance of the instrument case is not easy to causes variation.

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