How long after tooth cap treatment I.e. filing down should pain cease?

I had preparatory bridge treatment nine days ago involving removal of two teeth and filing down of two healthy teeth for cap fitting. I have read your helpful blog but would like to know when nerve trauma pain and sensitivity is considered to have become past natural recovery with possible root canal as the only option. I am still taking pain relief every six hours after nine days. Is it wise to continue with permanent bridge fitting whilst in this situation? many thanks for your advice.

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