Category
page 1Impression material
ethers
thumb|150px|The general structure of an ether. R and R' represent most organyl [[substituents.]]
agar
thumb|Green tea-flavored yōkan, a popular Japanese red bean jelly made from agar
thumb|A blood agar plate used to culture bacteria and diagnose infection

silicone
thumb|Silicone caulk can be used as a basic sealant against water and air penetration.

plaster
thumb|Stucco plaster [[reliefs, such as this work at the Château de Fontainebleau, were hugely influential in Northern Mannerism. A plaster low-relief decorative frieze is above it.]]
zinc oxide eugenol
dental cement