Diode Laser: Potential Damage to Pulp?

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Dr.W. asks:
I recently attended a hands-on course using the diode laser. I was frankly amazed at all of its uses. I was also impressed at how easy it was to use. We learned how to use the laser to create a trough around a finish line of a prepared tooth to make a final impression. I watched the instructor hold the laser tip pointing at the vital tooth. I am concerned about pulpal damage. If you aim the laser tip at the tooth, is there any potential for damage to the pulp? Is there any chance of damaging the tooth surface?

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One Response to “ Diode Laser: Potential Damage to Pulp? ”

  • SGR January 27th, 2009

    I have always been told that while using the diode laser the tip should be parallel to the long axis of the tooth. An attempt should always be made, to avoid direct aim perpendicular to the tooth unless it is brief and at a lower power. I used to use the Biolase diode laser to whiten teeth and found that there was a tremedous amount of sensitivity postoperatively on patients (far more than other modalities). The Biolase whitening handpiece aims the energy perpendicular to the teeth to affect the gel on the flat surfaces. Meanwhile, using the same laser to trough, redefine gingival contours, etc, have no post op sensitivity. Give it a go. It is a great tool, and yes I’d bet it does do damage-but so does a full bore high speed hand piece if used agressively! Good luck!