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Laser use in endodontics  Much talk has been given concerning the use of lasers in endodontics.  Most attempts of their application have been to provide a cleaner root canal system with varying results.  Problems arise with many of our attempts to cleanse the root canal system, mainly that no device or technique can reach all of the nooks and crannies of the root canal system leaving much material remaining following root canal therapy.  To my knowledge there is no conclusive research that supports the use of lasers in endodontics as being any more successful than other currently used techniques. 

Acoustic streaming  This is a fancy term for giving the root canal system a Jacuzzi bath.  In theory this is to provide a cleaner root canal system just prior to completing root canal therapy.  This is accomplished using irrigating fluids in combination with sonic or ultrasonic vibration.  Debris can be seen within the irrigating solution following acoustic streaming however, no conclusive evidence is given whether this increases success or not.  In theory this would seem to make sense, and no apparent disadvantage can be found at this time.

Bottom line Cleaning and shaping of the root canal system by whatever means to most efficiently disinfect the root canal system lends to success.  Various instruments, techniques, irrigants and gadgets have been proposed to accomplish this goal.  The end result is the important aspect, how one gets there is a matter of debate.

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Truth - Saving your natural teeth, if possible, is the very best option.

For more information regarding these three root canal myths please visit the American Association of Endodontists website.