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Ultrasound surgery

Ultrasound surgery

Ultrasound surgery (also known as "piezo surgery") is a modern, ultrasound-assisted technique for performing surgery in the jawbone area – as a gentler alternative to conventional instruments such as saws or rotating fraises.

Procedures can be carried out in a minimally invasive and much more protective way with the aid of ultrasound surgery, and healing is quicker.

The specific advantages of ultrasound surgery:

  • Ultrasound surgery makes it possible to work exclusively on the bone in an extremely targeted manner. Any soft tissue, nerves or vessels in the vicinity of the bone remain intact and are protected. Ultrasound surgery therefore provides gentler and safer treatment.
  • Pain is minimized, swelling or bleeding are significantly reduced or can be avoided altogether.
  • Because the treatment is gentler from the outset, healing takes place more quickly and there is less risk of complications.
  • There is no feeling of pressure, and none of the usual unpleasant noises. This also makes the treatment more pleasant.
  • Treatment can also be performed in areas that are inaccessible for normal instruments. Bone can also be processed with surgery lines which have been exactly defined beforehand, and therefore with much greater precision.
  • The fine vibrations of the instrument also improve visibility, since the treatment area remains free of bleeding. This also makes it possible to work more carefully, accurately and efficiently.
  • Dental implants grow better into the jawbone after insertion if the "implant bed" has been prepared using ultrasound surgery beforehand.

Possible applications of ultrasound surgery:

  • bone erosion, bone removal and bone processing
  • Bone augmentation (e.g. sinus lift, bone splitting, bone block procedure)
  • Tooth extraction to preserve the bone socket, for example
  • Implantology (preparation of the so-called implant bed, implant removal)
  • Root-tip resections
  • Periodontal surgical treatments

How ultrasound surgery works:

The working attachments of the instruments are subjected to fine ultrasonic micro-vibrations. Ultrasound has a sound wave frequency of more than 16,000 Hz. Ultrasound surgery even works with a frequency of 24,000 to about 35,000 Hz, whereby the frequency can be varied during treatment depending on the application area. The ultrasound vibration can also be adjusted to precisely defined length movements of between 20 and 200 µm.

The vibrations are precisely tailored to the bone that is being treated. Cutting through soft tissue would require a frequency of 50 kHz, meaning that these tissues in the vicinity of the bone are excluded and protected. Cutting in the micrometer range can also be performed. One micrometer (μm) corresponds to one thousandth of a millimetre.