What conditions may cause dental turbine failure?

Turbines, like any other device, don't last forever - but what can we do to make sure they last as long as possible? We will have to take care of the pieces that suffer the most and maintain them in the best way possible.

Bearings (specifically the bearing cage) are some of the most common parts of a turbine to fail; reasons for this include:
Fragments.
Excessive air pressure.
Very high temperatures during the sterilization process.
Wear caused by side loading.
Water from the compressor air storage tank.
Use of bent lathers or a badly fitted lathe.
Use of poor quality ball bearings of unknown origin.
Solid residues inside the head due to inadequate or insufficient maintenance.

Bearings are not usually covered by manufacturers' warranties, as they are a wearing part of the turbine from the moment they are first used. So the more you lubricate it and the less force you apply to it, the longer it will last. It is therefore recommended to buy turbines with ceramic bearings, as they are more resistant and less likely to heat up.

Rapid cooling of handpieces with cold water after sterilization: Rapid cooling can cause deformation of some parts of the turbine, as well as contamination of already sterilized tools.

Running the turbine without the winch: This can damage the spindle or chuck mechanisms.

Irregular lubrication: The manufacturers recommend lubricating the turbine (especially the turbine outlet) between the patient and the patient, since with the passage of time the waste and debris solidify and damage the operation of the turbine, which would shorten its useful life.

Another factor affecting the operation of the lathe is poor wear resistance of the nozzle (the gap in which the lathe is inserted). The nozzle must be made of carbide or hardened steel and must be separated from the mandrel. Many manufacturers of rotors for dental handpieces join the mandrel and nozzle in one piece because this simplifies the spindle design and thus reduces the manufacturing cost. But this technique is not the best option to increase the nozzle's wear resistance. The pressure on the lathe during the operation can wear away the nozzle, leaving the lathe more room to move radially. Due to this radial movement, dentists can no longer achieve the same precision when working with their handpiece. Increasing this movement also affects the bearing life.

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