Re: Filling pain - how long to subside before doing root canal?

John & Ninetta wrote:
<Snip>
The assessment of risk has changed over time. The consensus now is that the greatest risk of sensitivity is due to incomplete coverage of the dentin by bonding agent, incomplete evaporation of the solvent, or inadequate bonding.
Of course, when I was in school there was more evidence than you can shake a stick at that the treatment of dentin with phosphoric acid (the most commonly used etchant) caused pulpal cell death and microabscesses. There was copious microphotographic evidence of this. Somewhere between then and now, somehow this was all refuted. The proof is (as they say) in the pudding; I have no doubt that Steve Fawks indeed gets the results he says he does, and in fact I must say that (although I certainly still use amalgam) that my incidence of postop sensitivity with resin fillings is quite low. However, exactly how the phosphoric acid etchant went from being cytotoxic to being biocompatible--that I really cannot tell you! ;-)

Steve


I believe Hillary Clinton was about to tell us, but stuck her foot in her mouth with that Robert Kennedy comment.

John



Paging Hans Blix!
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Relevant Pages

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