64:1 Dental Reduction Contra Angle Dental Handpiece

64:1 Dental Reduction Contra Angle Dental Handpiece

The 64:1 ratio, meaning that it’s 64:1 speeding reducing, rotating four times slower that the driving motor. Contra angle handpieces are supplied in a variety of speed ratios, speed reducing and speed increasing for the requirement of the procedure undertaken.

A 64:1 dental reduction contra angle handpiece is a specialized, gear-driven dental handpiece designed to hold rotary instruments like files and burs.

The key specification—64:1 reduction—means that for every 64 complete turns of the internal drive mechanism (driven by the motor), the bur at the tip rotates 1 time. This results in the bur spinning much more slowly than the motor, but with significantly higher torque (turning power).

• Operation: Unlike a standard air turbine ("high-speed") handpiece that uses air to spin a turbine very fast, this contra angle usually connects to an electric motor. The 64:1 gear system trades rotational speed for mechanical advantage (torque).

• Typical Speed: The bur operates at very low speeds, typically ranging from 40 to 600 RPM

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• Primary Uses:

• Root Canal Treatment (Endodontics): It is frequently used to hold small flexible files for cleaning and shaping the inside of a tooth's root canal. The high torque allows the file to cut dentin without stalling.

• Surgical Extractions: Used with specialty burs to remove bone around an impacted tooth (osteotomy) or to split a tooth into sections (sectioning).

• Implant Dentistry: Used with drills to pilot and enlarge the osteotomy (bone hole) site for placing dental implants.

• Prosthodontics: Used for adjusting and finishing dentures or crowns.

• Advantages: The high torque prevents the bur from stopping ("stalling") when it encounters hard material or bone, which requires significant cutting force.

  
  

64:1 Reduction endotreatment contra angle

A quality

For engine files

360° Rotation

Push Button Chuck

Max. Speed 300min-1