… for use in dentistry, with a basis of plaster (of calcined gypsum or calcium sulphate). …
Explanatory notes
… for use in dentistry, with a basis of plaster (of calcined gypsum or calcium sulphate). (A) Modelling pastes . … for use in dentistry, with a basis of plaster (of calcined gypsum or calcium sulphate) . This heading includes … naturally and that can be produced, e.g., by dehydration of gypsum deposits with a high calcium sulphate dihydrate …