Question
Posted on: March 6 2013How to prepare a phosphoric acid gel of 35-37% for etching the teeth?
Answer
(Delivered by Apoth Ben of the Mierop from the AFT 1990 page 267)
R/Aerosil 6.25 g
methylene blue qs
phosphoric acid OPL 85% 44.05 G
Aqua dest 49.70 g