27. Cements 2

19/08/2020 2 min
27. Cements 2

Listen "27. Cements 2"

Episode Synopsis

ZINC POLYCARBOXYLATE/ POLYACRYLATE Both Zn phosphate & polycarboxylate has ZnO particles Formed when Zn oxide reacts with polyacrylic acid* 1st material to chemically bond to tooth structure Bonding with enamel ↑,dentine ↓ Tin / Stannous fluoride is added Tin increasesa. Working timeb. Strength }1st optionc. Not for fluoride releases (don’t tick such options for exam) OK !