%0 Journal Article
	%A Samantha E. Booth and  Andrew D. Deacon and  Nichola J. Coleman
	%D 2012
	%J International Journal of Materials and Metallurgical Engineering
	%B World Academy of Science, Engineering and Technology
	%I Open Science Index 72, 2012
	%T Properties of Glass-Ionomer Cements Sealed with Petroleum Jelly or Wax
	%U https://publications.waset.org/pdf/9060
	%V 72
	%X A study has been carried out to determine the effect of
coating two commercial glass-ionomer cements in either petroleum
jelly or wax. After coating, specimens were stored in water for 24 or
168 hours, then the coating removed and the surface examined.
Coating in wax was found to increase the surface hardness
significantly compared with the uncoated control, whereas coating
the specimens in petroleum jelly led to only a slight increase in
surface hardness. Coating in wax led to no detectable ion release
after either 24 or 168 hours, though there was some ion release after
the coating had been removed and the specimens exposed to water
for a further 24 hours. This shows that soluble species remained in
these specimens. Overall, this study confirms the idea that immature
glass-ionomers should be protected from early exposure to moisture,
and that the protection offered by petroleum jelly is only modest.
	%P 1133 - 1136