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All Journal B-Dent, Jurnal Kedokteran Gigi Universitas Baiturrahmah STUDI PELAKSANAAN SELFMEDICATION PADA PENDERITA DIARE BERDASARKAN TINGKAT PENGETAHUAN MASYARAKAT PESISIR KECAMATAN SOROPIA KABUPATEN KONAWE Jurnal Manajerial Dan Kewirausahaan
William Susanto, William
Unknown Affiliation
Dentistry Economics, Econometrics & Finance Health Professions Public Health Social Sciences

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PENGARUH GAYA KEPEMIPINAN DAN LINGKUNGAN KERJA FISIK TERHADAP KINERJA KARYAWAN PADA PT OCEAN CENTRA FURNINDO MEDAN Derimasari, Arytata; Purba, Purnama Yanti; Andi, Andi; Seronica, Seronica; Susanto, William
Aksara Public Vol 3 No 3 (2019): Agustus (2019)
Publisher : EDUTECH CONSULTANT

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Abstract

This study aims to examine and analyze the influence of leadership style and physical work environment on work performance in PT Ocean Centra Furnindo Medan. The phenomenon of conducting leadership style to the company tends to be less good, which can be seen from the rare leadership present to the company to attend meetings and provide problem solving to employees, the work environment less comfortable to carry out work, and work performance that tends to decrease can be seen from the decline in the number of sales at PT Ocean Centra Furnindo. The sampling technique used is simple random sampling with a total sample of 97 employees. The method used is a quantitative approach with a type of quantitative descriptive research and the nature of research is descriptive explanatory. The data analysis method used is multiple linear regression. The results of showed with significant level 0,05 that the leadership style has a positive and significant effect on the work performance partially with Tcount > Ttable (5,167 > 1.985) and physical work environment has a positive and significant effect on the work performance partially with Tcount > Ttable (2,444 > 1.985). Leadership style and physical work environment have a positive and significant effect on work performance simultaneously with Fcount > Ftable (16,747 > 3,090).
Cover JMK Vol. 3 No. 4 Susanto, William
Jurnal Manajerial Dan Kewirausahaan Vol 3, No 4 (2021): Jurnal Manajerial dan Kewirausahaan
Publisher : Fakultas Ekonomi dan Bisnis, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmk.v3i4.15202

Abstract

Cover JMK Vol. 3 No. 4
PENGARUH APLIKASI GEL EKSTRAK CANGKANG KERANG HIJAU PADA EMAIL GIGI DESIDUI SETELAH PERENDAMAN MINUMAN BERKARBONASI Susanto, William; Bramanti, Indra; Rus Sudarso, Iwa Sutardjo; Utomo, Rinaldi Budi
B-Dent: Jurnal Kedokteran Gigi Universitas Baiturrahmah Vol 11, No 2 (2024): Vol. 11,No 2 (Desember 2024)
Publisher : Universitas Baiturrahmah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33854/jbd.v11i2.1674

Abstract

Introduction: Carbonated beverages are currently consumed by a significant number of children, despite the acidic properties of these drinks which can lead to tooth erosion. The deciduous tooth enamel is more susceptible to erosion due to its differences in structural and morphological composition compared to the permanent tooth. Green mussel shells have a high calcium carbonate content, which enables them to be used as synthetic hydroxyapatite to repair microporosity and remineralize deciduous tooth enamel. Aim: To investigate the effect of green mussel shell extract gel application on the microhardness and roughness of deciduous tooth enamel following immersion in carbonated beverages. Methods: A total of 25 anterior mandibular deciduous teeth were used in this study, which was divided into five groups. These were designated as the negative control group with gel base (K1), the positive control with CPP-ACP (K2), the green mussel shell extract gel group with 5% (P1), 10% (P2) and 20% (P3) concentrations. Each sample was treated for 21 days and immersed in carbonated beverages on days 1, 8, and 15. Thereafter, microhardness was measured using a Vickers Hardness Tester and roughness using a Roughness Tester. Data analysis was performed using one-way ANOVA. Result: The results demonstrated significant differences between the study groups in both microhardness and roughness testing. The highest result of microhardness was observed in group P3, with a mean of 222.72 ± 2.10. The lowest result in the roughness test was observed in group P3, with a mean of 0.35 ± 0.01. Conclusion: The green mussel shell extract gel at a concentration of 20% exhibited the highest microhardness and lowest roughness when compared to the 5% and 10% concentrations, as well as CPP-ACP on deciduous tooth enamel following immersion in a carbonated beverage.
Co-Authors Andi Andi Derimasari, Arytata Indra Bramanti Purba, Purnama Yanti Rinaldi Budi Utomo Rus Sudarso, Iwa Sutardjo Seronica, Seronica