216 страниц. 2013 год. LAP Lambert Academic Publishing Impression materials too have gone through a tremendous phase of development. From olden day clay, to wax to the modern day elastomers, they have indeed not only improved the quality of the impression but also directly influenced the technique used to manipulate these materials during impression making. Many a times both the impression technique as well as the materials have complemented each other in producing an accurate impression incorporating all principles for an ideal impression making.