Folia Medica Indonesiana
ISSN 0303-7932
Vol. 40 / No. 4 / Published : 2004-10
Order : 7, and page :175 - 177
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Original Article :
Transversal strength of acrylic resin plate repaired by visible light cured and heat cured resin
Author :
- Yayuk Susilawati*1
- Department of Biochemistry Airlangga University School of Medicine
Abstract :
Studies on transversal strength comparison in acrylic resin repaired by visible light cured (VSL) and heat cured rounded resin had been performed. This study used laboratory experimental method. Analysis unit of materials comprised of heat-cured acrylic resin. These units were previously prepared with gypsum material, a large curvet, and master model from brass metals. Resulted printings were filled with acrylic resin mixture, followed by boiling for ± 60 minutes. Resulted analysis units were broken in middle part and shaped in rounded triangle, followed by repair with two types of resin, visible light cured (VLC) and heat cured resin. Repair by VLC resin applied ready-to-use VLC materials and were provided with lightning by means of VLC curing for ± 10 minutes, whereas heat cured applied acrylic resin mixture and boiled similar to the making of the units. The units were divided into 2 groups, each containing 15 units. The first group was repaired by VLC resin, whereas the second by heat cured acrylic resin. Measurement of transversal strength was tested by an autograph, and transversal strength differential between both analysis unit groups were determined using t-test statistic analysis with level of significance of 5%. The result indicated that the transversal strength for both groups were significantly different, in which transversal strength of acrylic resin repaired by VLC were lower compared to acrylic resin repaired by heat cured.
Keyword :
transversal strength, acrylic resin, visible light cured, heat cured,
References :
McCabe JF,(1985) Anderson’s Applied Dental Materials, 6th ed. London : Blackwell Scientific Publications, Oxford
Anderson JN,(1976) Applied Dental Materials, 5th ed. London : Blackwell Scientific Publication, Oxford
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