The result: Hand curets, nylon brushes, and the ultrasonic device showed limited capability to effectively remove the multispecies biofilm from the SLA surfaces as opposed to the LiteTouch™ Er:YAG which displayed a superior ability to remove the biofilm. All Er:YAG parameter combinations that were evaluated as well as the tested “tip to target” distances showed similar excellent anti-biofilm effects. Furthermore, we observed that the Er:YAG capability of biofilm removal is not only due to its light emission, but depends on its water irrigation as well.

The conclusion: In conclusion, the present finding demonstrated the possible effectiveness of the LiteTouch™ Er:YAG Laser. The demonstration that all three “tip to target” distances (1 to 5 mm) were equally effective—makes it possible for the clinician to avoid the aforementioned anatomical and structural obstacles, and affect the target from several distances in an effective way.

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