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How to get the most from air-driven handpieces

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shanellbush View Drop Down
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Attivo dal: 16 Mag 2014
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Post Options Post Options   Quota shanellbush Quota  RispostaRispondi Direct Link To This Post Discussione: How to get the most from air-driven handpieces
    Inviato: 08 Ott 2014 alle 08:07

Throughout the process of tooth preparation, the dentist's primary objectives are uninterrupted cutting, moving the bur effectively, at a constant speed, through all natural or restorative materials regardless of their hardness (continuous speed under load).  dental tools

The critical factors are torque, power and speed. The bur's cutting power is dependent on consistent, balanced torque at any bur rotational speed.

Using air-driven handpieces

The power of air-driven handpieces, particularly those with smaller heads, has been problematic until recently. Traditional highspeed rotors have eight impeller blades driven by one drive air nozzle. As the blades rotate through their cycle, they are not always positioned at the optimal angle to capture all of the forced air from the nozzle, weakening torque.


The dental practitioner requires handpieces that are effective and comfortable for use all day, every day.

They must be ergonomic in the dentist's hand and practical in tooth preparation, particularly in patients with limited opening (both children and adults) and for endodontic access.

The highspeed dental handpiece has been the dentist's principal preparation instrument since first introduced in the early 1960s. This technology has extended the practitioner's ability to efficiently prepare teeth in far less time, dental instruments extending the benefits of dental treatment to a larger segment of the population.

Together, highspeed tooth preparation and dental anesthesia have increased the physical and emotional acceptance of dental procedures to a large segment of the population, contributing to the extended maintenance of the natural dentition over the patient's entire lifetime.

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