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Category Description

An Ultrasonic Scaler is an intuitively designed electrical device that helps to remove plaque, calculus, and other types of deposits from the tooth surface with the help of high-frequency vibrations.

Types of Ultrasonic Vibration:

Ultrasonic scalers convert electrical energy into mechanical energy that produces high-frequency vibrations through a mechanism called the piezoelectric mechanism. The piezoelectric unit operates in the range of 25,000–50,000 cps (cycles per second).  The piezoelectric crystals are placed within the handpiece. When electricity passes through the crystals, it causes dimensional changes and causes high-frequency vibrations. The tip vibration is linear in direction. The piezoelectric crystals include crystal quartz, Rochelle salts, ceramics, etc.

How does a Dental scaler work?

When the scaling machine is connected to the electricity, the handpiece attached to the unit through the cord gets activated and converts the electrical energy to mechanical energy-producing high-frequency vibration in the tip or file.

Advantages of Ultrasonic Dental Scalers:

  • Comfortable for patients due to linear vibration.
  • Increased efficiency.
  • Very effective for stain & calculus removal
  • Less need for water to control the heat
  • Increase in tactile sensation with no vibration to the handpiece.


  • Removal of stains
  • Supra-gingival and sub-gingival calculus
  • Removal of the debris prior to oral surgery
  • Removal of orthodontic cements/ de-bonding
  • Removal of debris from periodontal pocket
  • Removal of debris from furcation areas.

Modes in the ultrasonic Scaler:

G – General Supragingival scaling mode for plaque and calculus removal from the tooth surface. Also used for stain removal.

P – Perio mode for subgingival scaling for the removal of calculus from below gingival margin, furcation area, removal of tartar from narrow interdental spaces, debridement of the abscess, and root planing.

E- Endo mode for root canal cleaning and removal of foreign materials or any filling materials, removal of calcification and locating the root canal orifices, etc.

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