Compressive strength resin komposit hybrid post curing dengan light emitting diode menggunakan tiga ukuran lightbox yang berbeda

• Main Authors: Mirza Aryanto, Milly Armilia, Dudi Aripin
• Format: Article
• Language: English
• Published: Universitas Airlangga 2013-06-01
• Series: Dental Journal: Majalah Kedokteran Gigi
• Subjects: Compressive strength; post curing; lightbox; hybrid composite resin; resin komposit hybrid
• Online Access: http://e-journal.unair.ac.id/index.php/MKG/article/view/789

<p><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Background:</strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em> The use of different polymerization methods may result in variation of mechanical properties of composite resin. </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>Polymerization increases the conversion rate of monomers reflecting in improvement of compressive strength. Post-curing methods </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>can be used to increase strength to the composite resin. </em><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Purpose: </strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>To determine the difference of compressive strength of post cured </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>hybrid composite resin by using three different size of lightbox. </em><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Methods: </strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>This research was conducted in a true in vitro experiment. </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>Research carried out by making a tube-shaped cylinder hybrid with 3 mm diameter and 6 mm height composite resin samples post </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>cured by using 3 different size of light box, 3 cm x 3 cm x 3 cm (A), 4 cm x 4 cm x 4 cm (B) 6 cm x 6 cm x 6 cm (C), and a non post-curing </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>control. Compressive strength test was then performed using a universal testing machine. Each sample was tested and averaged to </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>obtain values in order to be analyzed statistically using ANOVA and multiple comparison. </em><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Results: </strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>There is an increase in compressive </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>strength of each group, namely group A (172.9460 MPa), B (154.821 MPa), C (154.0789 MPa) and control (123.3550 MPa), and a </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>statistically significant difference (F&lt;0.05). </em><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Conclusion: </strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>The smaller size of the lightbox is used, the higher the compressive strength </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>of composite resin.</em></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p><p><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Latar belakang: </strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>Penggunaan berbagai metode polimerisasi dapat mengubah sifat mekanis resin komposit. Proses polimerisasi </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>dapat meningkatkan derajat konversi monomer, sehingga dapat meningkatkan compressive strength resin komposit. Metode post </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>curing dapat digunakan untuk menambah kekuatan resin komposit. </em><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Tujuan: </strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>Untuk mengetahui perbedaan compressive strength resin </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>komposit hybrid yang dilakukan post curing menggunakan tiga ukuran lightbox yang berbeda. </em><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Metode: </strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>Jenis penelitian ini adalah </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>eksperimental murni yang dilakukan secara in vitro. Penelitian dilakukan dengan membuat sampel resin komposit hybrid berbentuk </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>tabung silinder dengan diameter 3 mm dan tinggi 6 mm yang dilakukan post curing menggunakan lightbox ukuran 3 cm x 3 cm x 3 cm </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>(A), lightbox ukuran 4 cm x 4 cm x 4 cm (B), lightbox ukuran 6 cm x 6 cm x 6 cm (C), dan kelompok kontrol yang tidak dilakukan post </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>curing. Kemudian dilakukan uji compressive strength dengan menggunakan alat uji universal testing machine. Data dianalisis secara </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>statistik menggunakan ANOVA dan multiple comparison. </em><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Hasil: </strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>Terdapat peningkatan compressive strength pada tiap kelompok, </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>yaitu kelompok A (172,9460 MPa), B (154,821 MPa), C (154,0789 MPa) dan kontrol (123,3550 MPa), dan secara statistik terdapat </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>perbedaan yang signifikan (p&lt;0,05). </em><span style="font-family: Tribune-Bold; font-size: 10pt; color: #231f20; font-style: normal; font-variant: normal;"><strong>Simpulan: </strong><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>Semakin kecil ukuran lightbox yang digunakan, semakin tinggi tingkat compressive </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>strength resin komposit hybrid.</em></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>