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Deflection test on different orthodontic wire materials sized 0.016 x 0.022 inches Harris Gadih Pratomo; Endah Mardiati; Eky Soeria Soemantri; Ida Ayu Evangelina
Majalah Kedokteran Gigi Indonesia Vol 4, No 3 (2018): December
Publisher : Faculty of Dentistry, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (469.939 KB) | DOI: 10.22146/majkedgiind.31236

Abstract

The development of technology in orthodontic field produces some orthodontic wires that have different deflection abilities. Loading force is the force needed to place an orthodontic wire in bracket slot (activation). Unloading force is the force produced by an orthodontic wire to move tooth (deactivation). Deflection test with three-point bending technique is a technique that is often used to determine the magnitude of the activation and deactivation force of orthodontic wire. Stainless steel (SS), nickel titanium (NiTi), copper nickel titanium (CuNiTi), and beta titanium (TMA), are the types of frequently used wires. This study aimed to compare loading and unloading force on the deflection test of SS, NiTi, CuNiTi, and TMA orthodontic wires sized 0.016 x 0.022 inch on the load-deflection graph. This is a laboratoryexperimental research on a total of 16 pieces of SS, NiTi, CuNiTi, and TMA orthodontic wires sized 0.016 x 0.022 inches. The group was divided based on the type of material. The deflection test was performed using a universal testing machine with a press speed of 5 mm/minute. Loading and unloading forces were recorded on deflections of 0.5; 1; and1.5 mm. Statistical tests of differences among groups were carried out by ANOVA analysis (p-value ≤ 0.05) and post-hoc analysis with T-test. There were significant differences in the loading and unloading forces recorded on deflections of 0.5; 1; and 1.5 mm; except for deflections of 0.5 mm of the SS and nickel-titanium wires. The wire deflection force fromthe lowest to the highest was CuNiTi wire, nickel-titanium wire, TMA wire, and stainless-steel wire.
Pendidikan dan Pelatihan Pemilahan Sampah Domestik untuk Meningkatkan Kesehatan Tubuh dan Rongga Mulut Warga RW 01 Kelurahan Grogol Petamburan Dewi Liliany Margaretta; Rosalina Tjandrawinata; Dina Ratnasari; Harris Gadih Pratomo; Yessy Ariesanti
JURNAL ABDIMAS KESEHATAN TERPADU Vol. 2 No. 1 (2023): Jurnal Abdimas Kesehatan Terpadu
Publisher : Fakultas Kedokteran Gigi, Universitas Trisakti bekerjasama dengan Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jakt.v2i1.16797

Abstract

The problem of domestic waste in Indonesia related to the behavior of people who do not understand the impact of poor environmental hygiene which will lead to the emergence of various diseases in the body and oral cavity. Domestic waste is the remaining waste generated from household activities. Domestic waste is divided into organic that can be processed and inorganic that cannot be processed. The most pronounced impact is the emergence of various diseases such as intestinal worms, diarrhea, cholera, typhoid and anemia while infection can occur in the oral cavity so that infection can occur locally or systemically. Community Service (PkM) was carried out offline at the Grogol Petamburan Hall which was attended by 37 representatives of dasawisma and jumantik cadres, heads of RT 01 – 14 and RW 01. The material provided was in the form of various kinds of domestic waste (organic and inorganic), management of domestic waste, diseases that arise in the body and oral cavity due to a dirty environment, how to wash hands and how to brush your teeth properly in the form of ppt, e-flyer and video. Evaluation of success by conducting a pre and post test containing 10 knowledge questions and 10 attitude questions. There was an increase in participants knowledge of 22.3% and an improvement in attitude towards a better one. The results obtained from this activity are very good with partners willing to carry out PkM activities. At the end of the activity, toothpaste and a donation of trash bins were given to each RT.
Pelatihan Cara Deteksi Dini Gigi Berlubang, Gigi Berjejal, dan Kelainan dalam Mulut pada Komunitas Orang Tua dan Guru Playgoup dan TK Al-Alaq di Jatibening Gadih Pratomo, Harris; Prijanti Dwisaptarini, Ade; Subrata, Aryadi; Nova Fitri , Andrian
JURNAL ABDIMAS KESEHATAN TERPADU Vol. 3 No. 1 (2024): Jurnal Abdimas Kesehatan Terpadu
Publisher : Fakultas Kedokteran Gigi, Universitas Trisakti bekerjasama dengan Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jakt.v3i1.20141

Abstract

The first 5 years of a child's development stage is a golden period in a child's growth and development period. Children's dental and oral health is very important, because the mouth is the first gate in the human digestive system. Parents' knowledge regarding dental and oral hygiene and health is the basis for forming children's behavior in maintaining children's oral and dental hygiene. Parents need to be provided with adequate knowledge on how to do an early detection of cavities, crowding of teeth, and abnormalities in the mouth as a form of prevention against tooth decay in children in the home environment. Community Service (PkM) was carried out online via Zoom Meeting on Friday 1 July 2022, and was attended by 37 people including teachers, staff and parents of students from Playgoup School and Kindergarten Al-Alaq Jatibening. The material provided is in the form of early detection of tooth decay, how to check oral health at home, how to detect crowding of teeth early, soft tissue disorders in the form of ppt, e-flyer and video. Measure success by completing a pre-test and post-test consisting of 17 knowledge questions related to the topic presented. It was found that participants' knowledge increased by 31%. The results obtained from this activity are very good with partners who are willing to carry out PkM activities on an ongoing basis.
Uji Three Point Bending Kawat Nikel Titanium Dimensi 0,010 x 0,030 Inci yang digunakan sebagai retainer Diva Gama Putri, Salsabila; Hamonangan Nasution, Fajar; Gadih Pratomo, Harris
Jurnal Kedokteran Gigi Terpadu Vol. 6 No. 1 (2024): Jurnal Kedokteran Gigi Terpadu
Publisher : Fakultas Kedokteran Gigi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jkgt.v6i1.20970

Abstract

Background: Fixed retainer are a practical retention method because they require minimal cooperation from the patient. Fixed reteiner are made from various types of wire, one of which is nickel titanium. However, when using a fixed retention device, several problems arise, such as fracture of the wire, loss of bond between the surface of the wire and composite, failure of attachment of the composite to the teeth, and unexpected tooth movement. Objective: To determine the shape memory and superelastic properties of nickel titanium wire with dimensions of  0.010 x 0.030 inches used as a retention device after a three point bending test.  Method: This research is a laboratory experimental study using 5 samples of nickel-titanium wire measuring 0.010 x 0.030 inches. The wire length is 30 mm. The collected data was then tested using a tested. Results: Nickel titanium wire measuring 0.010 x 0.030 inches with a deflection of 1.5 mm shows a graph with a smaller hysteresis than a deflection of 2 mm with a wider hysteresis. Nickel-titanium wire measuring 0.010 x 0.030 inches with a deflection of 1.5 mm and 2 mm shows that the wire experiences permanent deformation before returning to its initial shape, which could be due to the amount of deflection applied exceeding the tensile yield strength range limit of the wire. Conclusion: The amount of deflection given to the nickeltitanium wire samples is 1,5  mm and 2 mm influences the amount of force released. The deflection of a given wire determines how much force can be generated when the wire is applied.
Optimalisasi Penyuluhan dan Pelatihan Kesehatan Gigi Mulut Pada Remaja: Tinjauan Efektivitas dan Tantangannya Ariyani, Annisaa Putri; Budiman, Budiman; Sulistyowati, Indrani; Anggraini, Wita; Pratomo, Harris Gadih; Rospita, Fitrani; Lubis, Muhammad Novo Perwira; Amalia, Aurel Zahrein; Harissa, Adlina Putri; Suhardjo, Ranna Radhya Saadyandini
Abdimas Galuh Vol 7, No 2 (2025): September 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v7i2.20598

Abstract

Masalah gigi berlubang dan karang gigi merupakan masalah gigi mulut yang dapat ditemukan pada usia remaja. Akumulasi plak memicu proses demineralisasi dan menyebabkan terbentuknya gigi berlubang. Kandungan mineral dalam saliva memicu proses mineralisasi plak sehingga membentuk karang gigi. Menyikat gigi merupakan upaya pencegahan primer untuk mengurangi plak. Oleh karena itu, penyuluhan dan pelatihan kesehatan gigi mulut pada remaja berperan penting dalam meningkatkan kesadaran diri dalam memelihara kesehatan gigi mulut. Kegiatan ini bertujuan untuk meninjau efektivitas penyuluhan serta pelatihan kesehatan gigi mulut pada remaja. Kegiatan Pengabdian kepada Masyarakat yang dilaksanakan pada 23 Mei 2025 di SMKS Islam Bahagia, Kalianyar, Tambora, Jakarta Barat, DKJ Jakarta melibatkan 76 peserta usia remaja. Kegiatan meliputi penyuluhan terkait anatomi gigi dan masalah kesehatan gigi mulut, serta pelatihan menyikat gigi dengan baik. Evaluasi dilakukan melalui pretest-posttest untuk mengukur tingkat pengetahuan, serta observasi visual menggunakan disclosing solution untuk mengukur kemampuan diri dalam memelihara kebersihan gigi mulut dari plak. Terdapat peningkatan signifikan skor pengetahuan peserta setelah penyuluhan (median pretest 72,54 menjadi posttest 86,39; p<0,001). Visualisasi disclosing solution menunjukkan penurunan signifikan plak pada peserta dengan susunan gigi normal. Namun, peserta dengan gigi berjejal masih menunjukkan sisa plak yang menandakan keterbatasan efektivitas teknik menyikat gigi pada kondisi anatomi tertentu. Penyuluhan dan pelatihan memberikan dampak positif terhadap peningkatan pengetahuan dan kemampuan menyikat gigi pada remaja. Namun, keberhasilan penyuluhan dan pelatihan kesehatan gigi mulut dipengaruhi oleh kondisi individual rongga mulut. Optimalisasi penyuluhan perlu mempertimbangkan pendekatan tambahan seperti edukasi penggunaan alat bantu kebersihan gigi dan evaluasi berkala menggunakan disclosing solution.