Macrostructural features of plastic bases for removable dentures
D A Domenyuk , S N Garazha , E N Ivancheva , D A Domenyuk , S N Garazha , E N Ivancheva
Russian Journal of Dentistry ›› 2010, Vol. 14 ›› Issue (6) : 6 -10.
Macrostructural features of plastic bases for removable dentures
Methods of laser profilometry, scanning electron microscopy in a combination with electromagnetic resonance technique were used to study the surface microstructure of polymeric base materials designed to manufacture demountable dentures, such as «Ftorax» ("Stoma" Joint-stock company, Ukraine), «Paladon 65» (Heraus Kulzer, Germany, «Valplast» (Valplast International Corporation, USA), «Flexite - MP» (Flexite company, USA), and «Polyan». The data obtained are compared with the characteristics of the natural teeth enamel surface. It is demonstrated that the modified polymer based on «Polyan» polymethyl methacrylate of the Polyapress system manufactured by the injection, casting, and compression techniques has the surface whose microstructure and microrelief closely resemble the same characteristics of the natural teeth enamel surface.
base polymer / polymeric matrix / hydrophobicity / crystallization capacity wetting properties
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