Best to follow your specialist's recommendation. Most root canal procedures
are usually at least two, sometimes three stages (especially if there has
been a lot of pain), although some dentists and endodontists (particularly
in the US) are moving to the one stage procedure.

Cheers,
Poe
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----- Original Message -----
From: "Robert Delfs" <[log in to unmask]>


> At this point, before the procedure is completed,  he says I have air
> cavities in the canals under temporary fillings.  The specialist seemed
> to know what he was doing, said he has done the procedure for
> professional commercial divers, and was very clear that I should not
> dive until I the final stage of the procedure is completed.   The
> dentist who referred me to the specialist independently took the same
> position.