Effect of surface modified fillers on the water absorption of a (RTV) silicone denture soft lining material.
OBJECTIVE
The purpose of the present study was to modify the filler content of an experimental room-temperature vulcanizing (RTV) lining material that demonstrated high water sorption in order to produce a material with low sorption properties.


METHODS
Three new formulations were prepared, each containing different hydrophobic silane-treated silica fillers. Water sorption properties for specimens obtained from these formulations were determined using standard experimental techniques.


RESULTS
All formulations demonstrated greatly reduced water absorption and low volume change.


CONCLUSIONS
An experimental RTV poly(dimethylsiloxane) denture soft lining material having low water sorption properties has been produced.
Waters
M G
MG
Department of Basic Dental Science, Cardiff Dental School, UK.
Jagger
R G
RG
Winter
R W
RW
D000042:Absorption; D003822:Denture Liners; D004129:Dimethylpolysiloxanes / Q000737:chemistry; D008422:Materials Testing; D015394:Molecular Structure; D012821:Silanes / Q000737:chemistry; D012822:Silicon Dioxide; D012826:Silicone Elastomers / Q000737:chemistry*; D012828:Silicones / Q000737:chemistry; D014867:Water / Q000737:chemistry
D004129:Dimethylpolysiloxanes; D012821:Silanes; D012826:Silicone Elastomers; D012828:Silicones; D014867:Water; C013830:baysilon; D012822:Silicon Dioxide