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In my local newspaper a little while ago, there was a full-page article (can't find an online copy) on a local dentist who uses a device called "The Light Walker", supposedly made by a group in Siberia. A wide variety of claims were made by the dentist;

  1. It can greatly reduce the pain of treatment,
  2. It can be used instead of anesthetics in some cases,
  3. It can even be used to cut flesh painlessly; the dentist gave an ancedote where one of his children had a lip deformation, and he was able to surgically repair it.
  4. Supposedly, it cost him somewhere around $200,000.

Googling "The Light Walker" brings up a massive list of claims, including

  1. It has a 12 watt laser with a "Quantum Square Pulse?"
  2. It can "treat" infections?
  3. It produces "photoacoustic waves"?

Are dental lasers a thing, and are they as effective as claimed?

  • Certainly dental lasers are common in the US. I have no info on "Light Walker" however. – GEdgar May 17 '16 at 17:59
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    So, how is this thing supposed to work? Tricking skin neurons into not realising there is widespread structural damage going on might be ... tricky. – John Dvorak May 17 '16 at 19:02

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