Pre-test

30-60% in perio abscesses & only 0-10% in endo abscesses . Trope 1988. Pashley 1983: Dog study claimed systemic spread is possible. Ranly 1987: Resp distress, lacrimation, death (if enough is . Used-had to use 125x normal dose, though) Sipes 1986: Tissue dmg. 30 days (after 180 days a difference was shown-CaOH sig . weakened the root dentin) 4th ................
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