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CA 1:5 L Micro-Series

Bien-Air contra-angles: marvels of precision, offering reliability and quiet operation. They are available in Micro-Series versions; shorter, lighter and easier to handle. Combined with the new Micro-Series compact micromotors, they are notable for their near-perfect balance in the hand. Soon you won’t be able to live without one.

Part of a long tradition of excellence, Bien-Air contra-angles have DuaLook dual glass rod lighting, three separate Accu-Spray air/water sprays that ensure perfect nebulisation, as well as the ultra-precise Accu-Chuck locking and drive technology. The latest developments in Bien-Air contra-angles incorporate a new shaft and gear system mounted on pre-stressed ball bearings.

This offers vibration-free transmission and reduces energy loss. These Bien-Air shaft and gear systems simultaneously provide outstanding smoothness and improved sensitivity. For your comfort and that of your patient.


The Bien-Air Micro-Series brings together the Bien-Air series of compact contra-angles and handpieces and its micromotors with LED light. Lighter and more compact, the Micro-Series combinations offer exceptional grip and balance.


In addition to being robust enough to withstand all conditions, the dualstrand optical glass conductor gives an enveloping, non-dazzling light, clearly showing depth. DUALOOK: the best lighting on the market.


Cooling with six separate air and water nozzles. The ultra-precise nebulisation this provides cools the bur and the dental material as efficiently as possible and offers perfect visibility.


The most precise chuck locking and rotation drive technology in the world. Discover perfectly balanced instruments, with none of the drawbacks of imbalance or vibration. The best of Swiss technology.

Cool Touch

Push-button with an anti-heating safety system. This reduces the risk of burning your patients with the head of your instrument. For your comfort and your patients’ safety.

Ideal Geometry

Improved accessibility to areas at the rear of the mouth. Bien-Air contraangles are designed to offer you improved handling, visibility and accessibility to the working area.

Swiss Made

Only the most sophisticated techniques and the best materials allow the best products to be created. Bien-Air products are designed and manufactured in the heart of Watch Valley in Switzerland. After manufacture, Bien-Air products undergo individual testing.

Speed increasing ratio of 5. Optical glass rod light, push-button bur locking with anti-heating system, bur shank Ø 1.6 mm, anti-retraction valve. Compatible with the complete range of Bien-Air micromotors.

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Bien Air