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KMID : 0358919950220020553
Journal of the Korean Academy of Pedodontics
1995 Volume.22 No. 2 p.553 ~ p.574
The effects of fluoride compounds and acid etching gel containing fluoride on enamel surface


Abstract
Resin restoration, a link in esthetic dental treatment, is utilized in many fields of dentistry, but acid-etching treatment of enamel surface done during resin restorative prodecure causes the loss of enamel surface layer. Acid-etched enamel
surface
exposed to oral environment but not restored vith resin is sensative to enamel decacification, and in case of remineralization, the surface hardnes, decreases compare to sound enamel surface. Especially in case of children who do not have the
capacity
to maintain good oral hygiene care, the prevalence of enamel decalcification increases compare to that of adults.
In this experiment, extracted premolars for the purpose of orthodontic treatment were used to analyze and compare the data such as resin bonding strength, acid-etching pater, artificial carious lesions, fluoride concentration in enamel of the
cases
which the application of fluoride compounds was done before and after the acid-etching of enamel surface and in case of applying the etchant containing fluoride compounds to that of ordinary acid-etching technique.
@ES Followings are the results:
@EN 1. In case of applying fluoride compounds before acid-etching of enamel surface or applying the etchant containing fluoride compounds, resin shear bonding strength compare to that of ordinary acid-etching technique did not decrease and in
case
of
applying fluoride compounds after acid-etching of enamel surface, resin shear bonding strength decreased.
2. The depth of artificial caries decreased in case of either applying fluoride compounds or using fluoride containing etchant, and the depth increased in order of applying the fluoride compounds after acid-etching, applying fluoride containing
etchant, applying the etchant after fluoride compounds application, and ordinary acid-etching technique.
3. The fluoride concentration of enamel demonstrated significant differences only on enamel surface layer according to each surface treatments. The fluoride concentration on enamel surface was greatest in case of applying the fluoride compounds
after
acid-etching and it decreased after acid-etching using the ordinary technique compare to that of sound enamel surface. There was no significant difference in fluoride concentration on enamel surface in the cases of applying the fluoride compounds
after
acid-etching, applying fluoride containing etchant and in case of analyzing the sound enamel.
KEYWORD
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