Maisyarah Ayu Lubis, Syafiruddin, Ima Frafika Sari, M. Daud Batubara, Rahmawaty Samad, marischa Elveny, Rahmad Syah, Ismail Husein, Sajaratud Dur, Lely Hilda, Jupriyanto, Nik Syuhailah Nik Hussin
Data were analysed statistically using the Kruskal-Wallis test to see differences in porosity between 3 different polymerization groups in samples A, B and C. Then continued using the Mann Whitney test to see differences in porosity in each sample A, B and C. heat polymerization acrylic resin with different polymerization methods in sample A (temperature 25 ° C for 0 '→ 74 ° C for 90' → 100 ° C for 60 ') compared to sample B (temperature 25 ° C for 0' → 70 ° C for 90 '→ 100 ° C for 30') and sample C (temperature 25 ° C for 0 '→ 74 ° C for 60' → 100 ° C for 30 '). Sample C (temperature 25 ° C for 0 '→ 74 ° C for 60' → 100 ° C for 30 ') had a higher amount of porosity of the hot polymerized acrylic resin with different polymerization methods compared to sample B (temperature 25 ° C during 0 '→ 70 ° C for 90' → 100 ° C for 30 '). There was no significant difference in the amount of internal porosity in the hot polymerized acrylic resin with different polymerization methods in sample A, sample B and sample C. © 2020 EManuscript Technologies. All rights reserved.
Universitas Sumatera Utara, Medan, Indonesia; Universitas Graha Nusantara; Iain Ponorogo; Stain Mandailing Natal; Universitas Negeri Gorontalo, Indonesia; Universitas Sumatera Utara, Medan, Indonesia; Department of Mathematics, Universitas Islam Negeri Sumatera Utara, Medan, Indonesia; Iain Padangsidimpuan; Universitas Islam Sultan Agung; Universiti Malaysia Kelantan, Locked Bag 36, Pengkalan Chepa,Kota Bharu,Kelantan, 16100, Malaysia
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