Transverse Strength of Heat Cured Acrylic Resin After Immersed in 0, 2% Chlorhexidine Gluconate Mouthwash (In Vitro)

Abstract

Objective: The purpose of this study was to evaluate transverse strength of heat cured acrylic resin after immersed in 0,2% chlorhexidine gluconate mouthwash for 15, 30, 45, and 60 minutes. Methods:This was an experimental laboratory study with posttest only group design. The samples were heat cured acrylic resin plate with size 65mm x 10mm x 2,5mm. Polymerization of the heat cured acrylic was done by water bath (74 °C for 2hrs followed by 100 °C for 1hr). Totally 30 samples were prepared and divided into 5 groups (n=6) which are group I as control, and others were immersed in 0, 2% chlorhexidine gluconate, group II (15 minutes), group III (30 minutes), group IV (45 minutes) and group V (60 minutes) respectively. The transverse strength was test using Torsee's Universal Testing machine, Japan with crosshead 1/10 mm/seconds. The data was statistically analyzed using one way ANOVA (p≤0,005). Conclusion:The immersion in 0, 2% chlorhexidine gluconate mouthwash at different period does not changed transverse strength of heat cured acrylic resin.

PENGARUH DESINFEKSI BASIS GIGI TIRUAN RESIN AKRILIK POLIMERISASI PANAS DENGAN KLORHEKSIDIN DAN MINYAK JARAK (Ricinus Communis Oil) TERHADAP KEKUATAN TRANSVERSAL

“…Hasil yang bervariasi ini terjadi karena cara memanipulasi bahan yang menyebabkan adanya perbedaan ketebalan di masing-masing sampel. 10 Hasil penelitian ini juga menunjukkan tidak adanya pengaruh pada kelompok yang didesinfeksi dengan klorheksidin 0,2% dan minyak jarak 10%. Hasil penelitian yang dilakukan oleh Rusdi 10 desinfeksi resin akrilik polimerisasi panas dalam klorheksidin 0,2% pada periode waktu berbeda yaitu 15, 30, 45 dan 60 menit tidak memengaruhi kekuatan transversal dikarenakan perendaman dilakukan pada waktu yang masih singkat.…”