Toll-like receptor 4 signaling in neurons of trigeminal ganglion contributes to pain induced by acut

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  Pain caused by acute pulpitis(AP)is a common symptom in clinical settings.However,its underlying mechanisms have largely remained unknown.Using AP model,we demonstrated that dental injury caused severe pulp inflammation with up-regulated serum IL-1β.Assessment from head-withdrawal reflex thresholds(HWTs)and open-field test demonstrated pain sensation at 1 day.
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