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Beskrivelse
The 4:1 Mini Head Contra Angle is a specialized dental handpiece commonly used in endodontics, prophylaxis, and other precision dental procedures. Here’s a detailed description of its features, specifications, and applications:
General Description:
A contra-angle handpiece is a type of dental tool designed for better access and precision in tight or hard-to-reach areas of the oral cavity. The 4:1 gear ratio means that the rotational speed of the bur or polishing tool is reduced to 1/4 of the original motor speed, making it ideal for low-speed applications like polishing and cleaning.
Key Features:
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Mini Head Design:
- The smaller head allows for improved visibility and better access to posterior teeth.
- Enhances patient comfort by reducing obstruction in the mouth.
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4:1 Gear Ratio:
- Reduces rotational speed, making it suitable for polishing, finishing, and endodontic treatments.
- Offers controlled and smooth operation for delicate dental procedures.
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Contra-Angle Shape:
- Provides ergonomic handling and easy maneuverability.
- Reduces wrist strain for the dentist during prolonged use.
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Push-Button or Latch-Type Chucking System:
- Depending on the model, the tool may have a push-button or latch-type system for quick bur changes.
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Stainless Steel or Titanium Construction:
- Ensures durability, corrosion resistance, and a lightweight feel.
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Compatible with E-Type Motors:
- Can be attached to standard E-type micromotors commonly used in dental practice.
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Low-Speed Operation (Usually Around 5,000 – 10,000 RPM):
- Ideal for procedures requiring high torque and low speed, such as polishing and finishing restorations.
Common Applications:
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Prophylaxis (Polishing and Cleaning):
- Used with prophylaxis cups and brushes for plaque and stain removal.
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Endodontics:
- Suitable for root canal procedures with NiTi rotary files.
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Finishing and Smoothing Restorations:
- Helps in refining and shaping composite restorations.
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Pediatric and Geriatric Dentistry:
- The mini head is especially useful in treating children or elderly patients with limited mouth opening.
Advantages:
✔️ Enhanced precision and control
✔️ Better visibility due to the mini head
✔️ Comfortable handling for both dentist and patient
✔️ Long-lasting and reliable performance