Leliana Sandra Devi Ade Putri
Bagian Ortodonsia, Fakultas Kedokteran Gigi, Universitas Jember

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Evaluation of orthodontic tooth movement by 3D micro-computed tomography (µ-CT) following caffeine administration H. Herniyati; Happy Harmono; Leliana Sandra Devi; Sri Hernawati
Dental Journal (Majalah Kedokteran Gigi) Vol. 52 No. 1 (2019): March 2019
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (496.876 KB) | DOI: 10.20473/j.djmkg.v52.i1.p1-7

Abstract

Background: The compressive strength of orthodontic tooth movement will be distributed throughout the periodontal ligament and alveolar bone, resulting in bone resorption on the pressure side and new bone formation on the tension side. Caffeine, a member of the methyl xanthine family, represents a widely-consumed psychoactive substance that can stimulate osteoclastogenesis through an increase in RANKL. A 3D Micro-Computed Tomography (µ-CT) x-ray device can be used to measure orthodontic tooth movement and changes in periodontal ligament width. Purpose: The purpose of this research was to analyze the effects of caffeine on the distal movement distance of two mandibular incisors using 3D µ-CT. Methods: The research subjects (guinea pigs) were randomly divided into four groups. Of the two control groups created, one received two weeks of treatment and the other three weeks. The members of these two control groups were subjected to orthodontic movement but received no caffeine. Meanwhile, the other two groups were treatment groups whose members also received either two or three weeks of treatment. In these two treatment groups, the subjects were subjected to orthodontic movement and received a 6 mg/500 BM dose of caffeine. The orthodontic movement of the subjects was induced by installing a band matrix and orthodontic bracket on each mandibular incisor to move distally by means of an open coil spring. Observations were then conducted on days 15 and 22 with µ-CT x-rays to measure the distal movement distance of the two mandibular incisors and the width of the periodontal ligament. Results: The administration of caffeine increased the tooth movement on day 15 (p<0.05) and day 22 (p<0.05). The increase in the tooth movement on day 22 was greater than that on day 15 (p<0.05). The width of the periodontal ligament on the pressure side of the treatment groups experienced greater narrowing than that of the control groups (p<0.05). Meanwhile, the width of periodontal ligament on the tension side of the treatment groups widened more than that of the control groups (p<0.05). Conclusion: µ-CT x-ray can be used to evaluate the extent of orthodontic movement in addition to the width of the mandibular incisor periodontal ligament during orthodontic tooth movement. Moreover, it has been established that the administering of caffeine can improve orthodontic tooth movement.
Desain dan Implementasi Alat Ukur Overbite Elektronik Setyo Wibowo; Mohamad Agung; Leliana Sandra Devi
Jurnal Arus Elektro Indonesia Vol 1 No 2 (2015)
Publisher : Fakultas Teknik, Universitas Jember

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Abstract

Pada umumnya, dokter gigi menggunakan metode konvensional untuk mengukur level kompleksitas penyimpangan letak gigi dan atau malrelasi lengkung gigi (rahang) di luar rentang kewajaran yang dapat diterima (maloklusi), yang biasanya berupa pengukuran manual pada cetakan model gigi pasien. Cara tersebut membutuhkan waktu yang sangat lama sehingga dapat dikatakan memiliki efisiensi dan efektifitas yang rendah. Pada penelitian ini, kami akan membuat sebuah alat ukur maloklusi yang lebih moderen, namun hanya bisa digunakan untuk mengukur overbite (gigi depan atas lebih menonjol daripada gigi depan bawah). Alat ukur ini dibuat dengan menggunakan sensor elektronik sehingga menghasilkan waktu ukur yang lebih cepat. Sensor yang digunakan adalah flux sensor, yang digunakan untuk mengukur overbite pada insisivus tengah. Hasil yang didapatkan pada saat melakukan pengukuran dengan alat ini dibandingkan dengan proses pengukuran manual memberikan hasil yang memiliki akurasi di atas 80%. Galat (error) yang terkecil adalah sebesar 0% sedangkan galat terbesar adalah 19%. Kata Kunci — flux sensor, maloklusi, overbite,
NANCE AND MOYERS ANALYSIS STUDY ON MEASUREMENT OF AVAILABLE SPACE IN THE MANDIBULAR DENTAL ARCH Amalia DBU; Rina Sutjiati; Leliana Sandra DAP
STOMATOGNATIC - Jurnal Kedokteran Gigi Vol 9 No 2 (2012)
Publisher : Fakultas Kedokteran Gigi Universitas Jember

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Abstract

The shape and size of dental arch plays an important role in determining the space available for teeth. To avoid crowding the teeth it needs the space provided (available space) is sufficient for the permanent teeth grow. Measurement of available space on the discrepancies in the diagnosis of orthodontic models generally use the analysis Moyers and the analysis Nance. The research was carried out by casting the lower jaw in 30 subjects. The cast is then measured using a brass wire available space on the analysis of Nance and digital calipers on the analysis of Moyers. The data obtained were then conducted a t test with a significance of p <0.05 to determine differences in measurement results available space mandibular dental arch based on the analysis Moyers and the analysis Nance. The test results obtained by using t test p value of 0.563 (p> 0.05). The resulting value shows that the size of the available space in the mandibular dental arch analysis Moyers and analysis Nance showed no significant difference, so that the analysis can be used to measure the available space mandibular dental arch in the permanent dentition.
Potential of Avocado Seed Extract (Pasea Americana) As A Corrosion Inhibitor Against Surface Roughness OF CUNITI Orthodontic WIRE Devi, Leliana Sandra; Pridjatmoko, Dwi; Herniyati, Herniyati; Sutjiati, Rina; Joelijanto, Rudy; Ramadhani, Vanda
Jurnal Kesehatan Gigi Vol. 11 No. 1 (2024): juni 2024
Publisher : Jurusan Kesehatan Gigi, Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jkg.v11i1.10755

Abstract

The surface roughness of orthodontic archwires is an essential factor that deter- mines the effectiveness of arch-guided tooth movement. CuNiTi-based wires are widely used in orthodontic treatment, but the oral environment can trigger corrosion of CuNiTi orthodontic wires. The tannin content in avocado seed extract can be used as a corrosion inhibitor through two working mechanisms, namely, forming a passive layer and an adsorption process. The aim of this research is to examine the effect of avocado seed extract as a corrosion inhibitor on the surface roughness of orthodontic CuNiTi wire. The as- retacngular 17 x 25 inch CuNiTi wire were taken in 4 group (1 control group soaked in artificial saliva and 3 treatment groups soaked in avocado seed extract ).  Samples were immersed in avocado seed extract with concentrations of 1,5 g/L, 2 g/L and 2,5g/L for 7 days. For surface roughness was test Surface Roughness Average analysis. One way ANOVA test showed that there was a significant difference between the control group and all treatment groups in the surface roughness test with a value of p = 0.000. Post Hoc LSD test showed that there were no significant differences between treatment group 2 and treatment group 3 with a p value = 0.122. Providing avocado seed extract with tannin content at concentrations of 1.5 g/L and 2 g/L can reduce surface roughness on CuNiTi wire due to the corrosion process.