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All Journal Majalah Kedokteran Gigi Indonesia Jurnal Riset Matematika Journal of Innovation in Research, Education and Culture (JIREC) Jurnal Cendekia Islam Indonesia
Damayanti, Asri
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Religion Dentistry Education Mathematics Other

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Design Of Teaching Tools For Spatial Ability In Stuffed Space Building Materials Damayanti, Asri
Journal of Innovation in Research, Education and Culture (JIREC) Vol 1, No 1 (2023)
Publisher : Journal of Innovation in Research, Education and Culture (JIREC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55311/jirec.v1i1.210

Abstract

The low mathematical ability of students in spatial geometry material is due, in part, to the low spatial abilities of students, so the researcher designed a learning media in the form of a betel prop. This study aims to produce a design for the development of tepak betel teaching aids for students' spatial abilities in truncated geometric shapes. This research is a development (RnD) using a 4-D development model which is modified into 3-D namely the define stage, the design stage, and the develop stage. The research instrument was an expert feasibility test questionnaire and an instrument for evaluating learning outcomes. Based on the results of the expert validation, the results of the final assessment on IPPP-1 by the three experts with an average score of 3.72 with a percentage of 93.0% met the eligibility criteria. The results of the final assessment on IPPP-2 by the three experts with an average score of 3.83 with a percentage of 95.8% met the feasible criteria. As well as the results of the final IPPP-3 assessment by the three experts with an average score of 3.69 with a percentage of 92.4% meeting the feasible criteria. Based on these data, it can be concluded that the design of the tepak sirih teaching aid development on students' spatial abilities in the material of truncated geometric shapes is feasible to use.Keywords: Design Development, Props, Tepak Sirih
Analisis Biaya Produksi untuk Fungsi Produksi Cobb-Douglas dalam Jangka Pendek dan Panjang Damayanti, Asri; Eti Kurniati
Jurnal Riset Matematika Volume 4, No.2, Desember 2024, Jurnal Riset Matematika (JRM)
Publisher : UPT Publikasi Ilmiah Unisba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jrm.v4i2.5110

Abstract

Abstrak. Fungsi Produksi Cobb-Douglas merupakan salah satu model yang sering digunakan dalam bidang ekonomi untuk menggambarkan hubungan antara input produksi seperti modal (K) dan tenaga kerja (L) dengan output yang dihasilkan. Proses produksi melibatkan alokasi biaya yang diharapkan dapat menghasilkan keuntungan yang besar agar perusahaan dapat bertahan lama dan berkembang. Untuk mencapai tujuan ini, perusahaan perlu mengoptimalkan biaya produksi agar dapat mencapai biaya minimum untuk menghasilkan output tertentu. Biaya produksi merupakan total pengeluaran perusahaan untuk memproduksi barang atau jasa dalam suatu periode tertentu. Penelitian ini bertujuan menganalisis biaya produksi untuk fungsi produksi Cobb-Douglas dengan skala pengembalian konstan dalam jangka pendek dan jangka panjang. Dalam jangka pendek, salah satu input dianggap tetap sehingga perubahan output dipengaruhi oleh perubahan input variabel. Sebaliknya, dalam jangka panjang, semua input dianggap variabel yang memungkinkan perusahaan untuk menyesuaikan semua faktor produksi untuk mencapai biaya yang optimal. Metode yang digunakan dalam penelitian ini adalah dengan melakukan studi literatur yang terkait dengan biaya produksi dan fungsi produksi Cobb-Douglas dari berbagai sumber. Kesimpulan dari penelitian ini menunjukkan bahwa biaya produksi pada saat jangka panjang merupakan biaya paling rendah dalam setiap jangka pendek. Dengan demikian, kurva biaya jangka panjang akan berada di bawah kurva biaya jangka pendek. Abstract. Cobb-Douglas Production Function is one of the models often used in economics to describe the relationship between production inputs such as capital (K) and labor (L) with the output produced. The production process involves cost allocation that is expected to generate large profits so that the company can survive and grow. To achieve this goal, companies need to optimize production costs in order to achieve the minimum cost of producing a certain output. Production cost is the total expenditure of a company to produce goods or services in a certain period. This study aims to analyze the production cost for Cobb-Douglas production function with constant returns to scale in the short run and long run. In the short run, one of the inputs is considered fixed so that changes in output are affected by changes in variable inputs. In contrast, in the long run, all inputs are considered variable which allows the company to adjust all production factors to achieve optimal costs. The method used in this research is to conduct a literature study related to production costs and Cobb-Douglas production function from various sources. The conclusion of this study shows that the production cost in the long run is the lowest cost in each short run. Thus, the long run cost curve will be below the short run cost curve.
Root canal retreatment followed by apicoectomy and direct restoration with intracanal retention on overfilling obturation Damayanti, Asri; Karima, Aftina Mutiara; Widyastuti, Andina; Untara, Raphael Tri Endra
Majalah Kedokteran Gigi Indonesia Vol 10, No 2 (2024): August
Publisher : Faculty of Dentistry, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/majkedgiind.91789

Abstract

The success of endodontic treatment depends on proper shaping, disinfection, and obturation of the root canals. The filling material must adequately occupy the root canal space without extending the anatomical apex. Overfilling occurs when the filling material extrudes into the periapical tissues beyond the apex, which negatively affects the long-term prognosis. Endodontic overfilling cases can be addressed through surgical treatments aimed at preserving the tooth. This case report aims to inform to highlight endodontic surgery as an effective treatment for cases of failed root canal treatment due to overfilling of the obturation material. A 27-year-old male patient came to the Dental Conservation clinic at RSGM Prof. Soedomo with a chief complaint of the left maxillary lateral incisor, which had undergone discoloration and caused discomfort during chewing. The tooth had undergone root canal treatment two years prior. Periapical radiographic examination revealed that tooth 22 had been treated with overfilling obturation material and there was widening of the periodontal membrane in the periapical area. Root canal retreatment was performed using the crown-down preparation technique, followed by single-cone obturation with a bioceramic sealer. At the subsequent visit, an apicoectomy was performed, involving flap opening, alveolar bone exposure, removal of granulation tissue, and resection of 3 mm of the tooth apex. Retrograde filling with Mineral Trioxide Aggregate (MTA) was applied, followed by bone grafting and membrane placement. The area was sutured and covered with a periodontal dressing. The final restoration was completed using direct composite resin with intracanal retention. At the one-week follow-up, the patient reported no complaints. In conclusion, apicoectomy is an effective solution for overfilling cases. This case report demonstrates that surgery combined with retreatment can preserve the tooth and restore its function.
Application of Active Learning Methods in Overcoming Student Boredom at SD Negeri 094175 Margosono Damayanti, Asri
Jurnal Cendekia Islam Indonesia Vol. 1 No. 1 (2025): JANUARY 2025
Publisher : MANDAILING GLOBAL EDUKASIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62945/jcii.v1i1.91

Abstract

Islamic Religious Education (PAI) learning often faces challenges in the form of student boredom in class, which has an impact on low participation and understanding of the material. This study aims to analyze the application of active learning methods in overcoming student boredom at SD Negeri 094175 Margosono. The method used in this study is a qualitative approach with observation, interview, and documentation techniques. The results of the study indicate that the application of active learning methods, such as group discussions, educational games, and role-playing, can increase students' interest in learning. Students become more enthusiastic, actively participate, and understand the material being taught more easily. In addition, teachers play an important role in creating an interactive and enjoyable learning atmosphere by implementing various learning strategies. The obstacles faced in implementing this method include time constraints, lack of supporting learning media, and differences in student learning abilities. However, with good classroom management and the selection of appropriate methods, student boredom can be minimized. Therefore, active learning methods can be an alternative for teachers in creating a more effective and enjoyable learning process.
Co-Authors Eti Kurniati Karima, Aftina Mutiara Raphael Tri Endra Untara Widyastuti, Andina