26. Cements 1

19/08/2020 3 min
26. Cements 1

Listen "26. Cements 1"

Episode Synopsis

ZINC PHOSPHATEa. Formed when Zn oxide reacts with phosphoric acid.b. Micromechanical bond with tooth structure.c. 1st 24 hours ー irritant to pulp ∵ pH 2d. After that ー non irritant, pH - 5.9 (24 hours) pH - 7 (48 hours )e. Mix in maximum increments.f. Best agent to lute metal ceramic crowns*g. Apply varnish before ZnPhQ. Best Luting for ceramic restorations?Resin luting cement (HEMA+4META+organophosphates)