Pembuatan dan Karakterisasi Gigi Tiruan Berbahan Dasar Komposit Resin Akrilik No.3 dengan Penambahan Serat Kaca

Abstract

Acrylic resins usually used as a base for the manufacture of artificial teeth, because it is biocompatibel, flexible, and easily available material and cheap. This material is brittle and can cause pores due to evaporation of unreacted monomers to polymers. The advantages of this material resembles the original tooth, fit and aesthetics can be strengthened with the addition of glass fibers. In this research, the manufacture of denture acrylic resin-based thermal polymerization no.3 with the addition of glass fiber variation. Acrylic resin selected no.3 because of the color of the resin is in accordance with the color of human teeth. Glass fiber (fiberglass) is a fiber that can be added to the acrylic resin to improve the physical and mechanical properties of acrylic resin. The addition of glass fibers in denture serves enchance physical and mechanical properties and can adhesi with acrylic resin in the polymer matrix that has the power of a good bond with acrylic resin, glass fiber therefore be an option to be added to the acrylic resin as reinforcing material. Acrylic resin composition, gear oil and fiber glass is made with a ratio of 10 g: 4.5 mL: 0.13 g which is the most appropriate comparison to get 3 pieces of samples according to the model parent. Length of the glass fiber used was 4 mm, 6 mm, and 8 mm as the independent variable of the study. Tests were carried out , physical examination consisting of tests is density and porosity testing point to see if the tooth has a good structure that includes the arrangement of atoms or loose or dense crystalline and amorphous. Namely mechanical testing, compressive strength, tensile strength and Vickers hardness point to know how the power of the denture . The results showed that the addition of acrylic resin with glass fiber size 6 mm is the optimum condition, which is an artificial tooth gear to good use, which is obtained: density 1.2256 g/cm3 , porosity 1.846%, compressive strength 76.623 MPa, tensile strength 71.207 MPa and Vickers hardness 16.997 kg/mm2.