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All Journal Dentika Dental Journal MKGK (Majalah Kedokteran Gigi Klinik) (Clinical Dental Journal) UGM Jurnal Kedokteran Gigi Universitas Padjadjaran Padjadjaran Journal of Dentistry Journal of Dentomaxillofacial Science Jurnal Radiologi Dentomaksilofasial Indonesia (JRDI) Amerta Jurnal of Syiah Kuala Dentistry Society
Nunung Rusminah
Departemen Periodonsia, Fakultas Kedokteran Gigi, Universitas Padjadjaran, Bandung, Jawa Barat
Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Dentistry Energy Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Medicine & Pharmacology Physics Public Health Social Sciences

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Analysis of submerged implant towards mastication load using 3D finite element method (FEM) Ritonga, Widia Hafsyah Sumarlina; Rusjanti, Janti; Rusminah, Nunung; Miranda, Aldilla; Dirgantara, Tatacipta
Padjadjaran Journal of Dentistry Vol 28, No 3 (2016): November 2016
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (466.527 KB) | DOI: 10.24198/pjd.vol28no3.13676

Abstract

Introduction: The surgical procedure of dental implant comprising one stage surgery for the non-submerged implant design and two stages for submerged. Submerged design is frequently used in Faculty of Dentistry Padjadjaran University as it is safer in achieving osseointegration. This study has been carried out to evaluate resistant capacity of an implant component design submerged against failure based on location and the value of internal stress during the application of mastication force using the 3D Finite Element Method (FEM). Methods: The present study used a CBCT radiograph of the mandibular patient and Micro CT Scan of one submerged implant. Radiograph image was then converted into a digital model of 3D computerized finite element, subsequently inputted the material properties and boundary condition with 87N occlusion load applied and about 29N for the shear force. Results: The maximum stress was found located at the contact area between the implant and alveolar crest with stress value registered up to 193.31MPa located within an implant body where is understandable that this value is far below allowable strength of titanium alloy of 860 MPa. Conclusion: The location of the maximum stress was located on the contact area between the implant-abutment and alveolar crest. This implant design is acceptable and no failure observed under mastication load.
AGE ESTIMATION OF PAWON MEN THROUGH TEETH IDENTIFICATION USING JOHANSON METHOD THROUGH CBCT 3D RADIOGRAPH Elizabeth; Yondri, Lutfi; Pramanik, Farina; Rusminah, Nunung
AMERTA Vol. 36 No. 1 (2018)
Publisher : Penerbit BRIN (BRIN Publishing)

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Abstract

Abstrak. Estimasi Usia Manusia Pawon melalui Identifikasi Gigi dengan Metode Johanson pada Radiograf CBCT 3D. Manusia Pawon merupakan manusia prasejarah yang ditemukan di Gua Pawon. Di dalamnya, terdapat sisa tulang yang telah rapuh dan gigi yang masih tertanam pada tulang alveolar meskipun telah tertimbun tanah ribuan tahun lamanya. Gigi tersebut kemudian dijadikan sebagai alat identifikasi primer dalam penelitian forensik odontologi. Tujuan penelitian ini adalah untuk mengetahui estimasi usia Manusia Pawon melalui identifikasi gigi menggunakan metode Johanson pada radiograf CBCT 3D. Jenis penelitian yang dilakukan adalah deskriptif. Pengambilan sampel menggunakan purposive sampling. Sampel sebanyak 21 gigi yang tertanam pada tulang alveolar dan tidak terdapat pada garis fraktur. Pengukuran estimasi usia dengan metode Johanson dilakukan dengan perangkat lunak Ez-Implant menggunakan teknik non-invasif CBCT 3D. Hasil penelitian pada Rangka I (R.I) menghasilkan estimasi usia dengan kisaran antara 32,00-33,92 tahun, Rangka III (R.III) dengan estimasi usia 32,94-36,28 tahun, Rangka IV (R.IV) dengan estimasi usia 34,42 tahun, dan Rangka V (R.V) dengan estimasi usia 27,36-31,35 tahun. Simpulan penelitian menunjukkan estimasi usia Manusia Pawon dengan metode Johanson pada radiograf CBCT 3D berkisar antara 27,36-36,28 tahun. Kata Kunci: Manusia Pawon, Estimasi usia, Metode Johanson, Radiografi CBCT 3D, Perangkat lunak ez-implant   Abstract. Pawon men are prehistoric humans who lived in Pawon cave. The skeletons found in the cave consist of remains of brittle bones and teeth which are still attached to alveolar bone even though it had been buried in soil since thousands of years ago. The teeth are then used as primary identification in forensic odontology research. This research’s aim is to compare the existing age estimation of Pawon men with more recent method, namely Johanson method through CBCT 3D Radiograph. Previously, the age estimation was only based on visual observation of posterior molars’ attrition by Brothwell method. This research is a descriptive study using purposive sampling. The samples are 21 teeth that are intact and attached to the alveolar bone without any fracture line. The age estimation with Johanson method using Ez-Implant software is non-invasive age measurement by Cone Beam Computed Tomography 3D radiograph. The results showed that the age of the first Pawon man is 32-33.92 years old, the third Pawon man is 32.935-36.275 years old, the fourth Pawon man is 34.42 years old, and the fifth Pawon man is 27.36-31.35 years old. The second Pawon man is not included in sampling criteria. The measurement using Johanson method through CBCT 3D is more specific and detailed in yielding the age estimation compared to the Brothwell method. Keywords: Pawon men, Age estimation, Johanson method, CBCT 3D radiograph, Ez-implant software
Co-Authors Agus Susanto Agus Susanto Aldilla Miranda Anne Agustina Suwargiani Aprilia Adenan Aprilia Adenan, Aprilia Aprillia Adenan Beta Duwisda Chinger, Gurtej Singh Dede Hadidjah, Dede Duwisda, Beta Dyah Nindita Carolina Elizabeth Elizabeth Elizabeth - Elizabeth Elizabeth, Elizabeth - Emma Rachmawati Fahmi Oscandar Farina Pramanik Heni Puspitadewi Ina Hendiani Indra Mustika Setia PRIBADI Indra Mustika SP, Indra Ira Komara, Ira Janti Rusjanti, Janti Lusi Epsilawati Lutfi Yondri Lutfi Yondri Lutfi Yondri Muchlisha, Adila Nisrina Rufaidah HASANAH Prajna Metta Rahmania Rahmania Sri Wendari A. Hartono Tatacipta Dirgantara, Tatacipta Thillainathan, Komala Thillainathan, Komala Veransa, Biofoma Mohentaeses Widia Hafsyah Sumarlina Ritonga, Widia Hafsyah Sumarlina Wiwik Handayani Yanti Rusyanti, Yanti Zavani Nur Hikmah