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Jurnal Material Kedokteran Gigi
Published by IKATAN PEMINAT ILMU MATERIAL DAN ALAT KEDOKTERAN GIGI INDONESIA
ISSN : 23025271     EISSN : 26850214     DOI : https://doi.org/10.32793/jmkg
Core Subject : Health, Science,
Dentistry Materials Science & Nanotechnology
Jurnal Material Kedokteran Gigi (JMKG) is a media publication of scientific research and studies of dental materials both in the form of research, case reports, and literature review. Acceptable topics include all aspects of dentistry materials, from new material research, test characteristics, appication, and evaluations of products that have been circulating.
Arjuna Subject : Kedokteran Gigi - Kedokteran Gigi (Lain-Lain)
Articles 153 Documents
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Perbandingan Kekuatan Fleksural Antara Orientasi Unidirectional dan Bidirectional Fiber Agave Sisalana pada Fiber Reinforced Composite Erfandi Ahmad; Purwanto Agustiono; Dyah Irnawati
Jurnal Material Kedokteran Gigi Vol 3 No 2 (2014): JMKG Vol 3 No 2 September 2014
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

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Abstract

Fiber reinforced composite (FRC) contains a polimer matrix and fibers. The FRC application as a dental splinting material requires a considerable fleksural strength to withstand the mastication forces. The fiber orientation is one factor influences the mechanical strength of FRC. The aim of study was to compare the fleksural strength between unidirectional and bidirectional orientations of sisal fiber (Agave sisalana) on FRC. The FRC with a flowable composite matrix (Master Flow, Brazil) and sisal fiber (Agave sisalana) (Balittas, Indonesia) were used. The FRC samples (25x2x2mm) were made with unidirectional and bidirectional fibers orientation (n=4). The fleksural strengths were measured using the universal testing machine and the data were analyzed statistically using an independent t-test (a=0,05). The results showed that the average fleksural strength of FRC unidirectional group was 36.56 ± 2.91 MPa and bidirectional group was 24.09 ± 2.08 MPa. The independent t-test showed a significant difference in fleksural strength between unidirectional orientation and bidirectional orientation fiber (p <0.05). This study reveals that the fleksural strength of FRC with unidirectional orientation was greater than the bidirectional orientation of sisal fiber (Agave sisalana).
Tinjauan Peran Dan Sifat Material Yang Digunakan Sebagai Scaffold Dalam Rekayasa Jaringan Ellyza Herda; Dewi Puspitasari
Jurnal Material Kedokteran Gigi Vol 5 No 1 (2016): JMKG Vol 5 No 1 Maret 2016
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

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Abstract

Tissue engineering aims to restore, maintain, or improve tissue functions that are defective or have been lost by pathological, phisiological and mechanical or traumatic conditions by developing biological substitutes or by reconstructing tissues. Stem cells, scaffolds and growth factor are the key components of engineered tissues and referred as the tissue engineering triad. Scaffold has an important role in providing a microenvironment to assist stem cells to make adhesion, proliferation and differentiation in order to produce the expected tissue. The scaffold should be designed in order to have the expected properties. This paper aims to discuss the function of the scaffold, properties must be owned by the scaffold and the type of material. Size, shape and the type of material, pore size and interconnetivity, influencing the behavior and function of stem cell therefore influence stem cells fate.
Pengaruh Perendaman Pada Saliva Buatan Selama 14 Hari Pada Glass Fiber Non Dental Dan Glass Fiber Dental Terhadap Perlekatan Bakteri Streptococcus Mutans Zwista Yulia Dewi; Widjijono Widjijono; Erna Prawita Setyowati
Jurnal Material Kedokteran Gigi Vol 6 No 1 (2017): JMKG Vol 6 No 1 Maret 2017
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.656 KB) | DOI: 10.32793/jmkg.v6i1.263

Abstract

The material in the oral cavity will be coated by saliva. The humidity of material that is immersed in water will increase from time to time. Longer immersion time in water causes an increase in the absorption of water by a material. Non-dental glass fiber can be used as an alternative replacement for fiber glass dental. The advantages of dental glass fiberis widely available with reasonably priced. Fiber glass non dental commonly used as building materials and automotive. Streptococcus mutans bacteria have the ability to stick to the whole surface of the mouth, including dental materials. The purpose of this study is to determine the effect of dental glass fiber and non-dental glass fiber immersion in artificial saliva for 14 days to the adhesions of Streptococcus mutans bacteria.Fiber used in this study is E-glass fiber dental(Fibersplint, Polydentia SA, Switzerland), non-dental glass fiber A (LT, China), flowable composite (CharmFil Flow, Denkist, Korea) and silane coupling agent (Monobond S, Ivoclar Vivadent, Liechtenstein). Subjects were divided into three groups, each group consisting of 5 samples. Streptococcus mutans bacteria was planted in BHI media and calculated by plate count method. Results were analyzed using ANAVA. From the research it showed that the average dental glass fiber bacterial adhesions value was (953.4 ± 7.19), non-dental glass fiber(953.4 ± 7.19) while the composite resin without using fiber glass (848 ± 7.07). Statistical analysis showed a variable composition have a significant effect (p <0.05). The conclusion of this research that the alkali metal content in the fiber glass can affect the amount of bacteria Streptococcus mutans adhesions.
Perbedaan Pengaruh Pasta Gigi Berbahan Dasar Hidroksiapatit dan Eugena caryophillus Terhadap Hipersensitifas Gigi Risya Aulia; Dewi Liliany Margaretta; Rosalina Tjandrawinata
Jurnal Material Kedokteran Gigi Vol 7 No 1 (2018): JMKG Vol 7 No 1 Maret 2018
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.979 KB) | DOI: 10.32793/jmkg.v7i1.280

Abstract

Tooth hypersensitivity is a clinical condition that describes localized, non spontaneous pain, and arises when tooth is stimulated using thermal, chemical, and mechanical stimuli. The use of desensitizing agent such as hydroxyapatite and Eugenia caryophyllus can be used as home treatment that can relieve tooth hypersensitivity. Hydroxyapatite is an inorganic compound that makes up the hard tissues of the human body such as bone, dentine and tooth. Hydroxyapatite has a mechanism to decrease dental hypersensitivity by inducing remineralization of the teeth and close the open dentinal tubules. Eugenia caryophyllus is a material that is used in the field of dentistry and can reduce the pain of tooth hypersensitivity by suppressing nerve receptors in the perception of pain felt by the patient. The aim of this study is to determine the influence of hydroxyapatite-based toothpaste and Eugenia caryophyllus against tooth hypersensitivity. In this observational research, researcher give different type of toothpaste to two groups of research subjects and measure the changes in tooth sensitivity for 15 days. The value of tooth hypersensitivity before and after treatment is tested using Electric Pulp Test (EPT). Independent t-test shows the result of p value = 1.30 (p>0.05). It can be concluded that there is no significant difference between hydroxyapatite and Eugenia caryophyllus in relieving tooth hypersensitivity after being used for 15 days.
Identifikasi Elemen Resin Komposit Mikrohibrid dan Nanohibrid dengan Energy Dispersive X-ray dan Gambaran Mikrostruktur dengan Scanning Electrone Microscopy Kholidina Imanda Harahap; Harry Agusnar; Sumadhi S
Jurnal Material Kedokteran Gigi Vol 1 No 2 (2012): JMKG Vol 1 No 2 September 2012
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

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Abstract

Microhybrid and nanohybrid composite resins are an esthetical restoration materials which having silica as filler material for improving physical, mechanical and optical properties. Elements contained in composite resin influence its properties. The aims of this investigation are to identify the elements and microstructure images of microhybrid and nanohybrid composite resin by using energy dispersive x-ray (EDX) and scanning electrone microscope (SEM). Microhybrid (Solare F, Japan) and nanohybrid (Brilliant G, Switzerland) composite resin are used in this study. Samples is build in tablet shape with 15 mm of diameter and 1 mm of thick and were polymerized at 2 mm cone distance and 20 s curing time by using visible blue light curing unit (Litex 2000, China). Sample then is prepared for SEM and EDX investigations to found out microstructure images and elements contained. Microstructure images show the distribution of filler particle in microhybrid composite resin more wide apart than nanohybrid composite resin. By using EDX C, O, Al, Si, Na, F, and In are found out in microhybrid composite resin and C, O, Al, Si and Ti in nanohybrid composite resin with different weight percentages in both of composite resin respectively.
Lesi Erosif Mukosa Oral Sebagai Akibat Penggunaan Pasta Gigi Mengandung Sodium Lauryl Sulfate Tenny Setiani Dewi
Jurnal Material Kedokteran Gigi Vol 2 No 1 (2013): JMKG Vol 2 No 1 Maret 2013
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

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Abstract

There are many sales promotions about dentifrices with various composititions nowadays, offered by several manufacturers. Public will be the main target consumers of these products and the choice lies upon their decision to become the user of these products.. Each human as a biological being, has different individual responses towards mechanical or chemical agent including material contained in dentifrices exposed by any; physical, mechanical or chemical means. In this case, white oral lesions were reported in a 34 years old man, due to the use of a dentifrice product that he has not been using before. The dentifrice contains Sodium Lauryl Sulfate (SLS), which is known as a detergent. The oral lesions detected, were surrounded by erythematous halo and mucosal erosions on his tongue. Sensitivity reaction has occurred and the patient chief complaints were disturbing sore of the tongue, on chewing and speaking The oral lesions were likely caused by the denaturating effect of the SLS, on the mucinal layer of the oral mucosal surface .Mucin is the main organic content that act as a visco-elastic material which protects the entire surface of the mucosa. It supposed to play an integrated role in the protection of the non-immune reaction of the mucosal surface. The oral mucosal epithelium might then be more exposed and vulnerable to any irritants and allergens, causing ulcerative lesions. Management provided, was cessation of SLS containing dentifrice, topical application of corticosteroids on the lesion, antiseptic mouthwash and multivitamin. The lesions disappeared within 2 weeks and the patient was suggested to use a non- SLS dentifrice as he did before.
Pengaruh Perendaman Basis Gigi Tiruan Resin Akrilik Polimerisasi Panas dalam Larutan Sodium Hipoklorit dan Vinegar Cuka Putih Terhadap Kekasaran Permukaan dan Stabilitas Warna M Zulkarnain; Jefferson Daniel B
Jurnal Material Kedokteran Gigi Vol 3 No 1 (2014): JMKG Vol 3 No 1 Maret 2014
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

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Abstract

Heat-polymerized acrylic resin is a material that oftenly used to manufacture denture base. As the use of denture base material, it will be contaminated by microorganisms that requiring cleansing. One of method that is commonly used for cleaning denture is chemical method by immersing denture base into disinfectant. Sodium hypochlorite and white vinegar are ingredients that can be used as denture cleansers, but according to studies those ingredients can affect the physical properties of denture such as surface roughness and color stability. This study aims to determine the effect of heatpolymerized acrylic resin denture base immersion using sodium hypochlorite and white vinegar on surface roughness and color stability. This study was carried out on cylindrical heat-polymerized acrylic resin samples with a height of 0,5 mm and a diameter of 50 mm to test surface roughness and color stability. The design of this study is experimental laboratory. 27 samples of heat-polymerized acrylic resin are used to measure surface roughness and color stability. The data were analyzed by one way ANOVA test and LSD (Least Significance Difference) test. The results of the study shows that there was effect of heat-polymerized acrylic resin denture base immersion using sodium hypochlorite 0,5% and white vinegar 5% for 1,5 years on surface roughness and color stability.
Pengaruh Penggunaan Kitosan Dengan Berat Molekul Yang Berbeda Terhadap Ekspresi Tumor Necrosis Factor Alpha (Tnf Α) Pada Penyembuhan Luka Pencabutan Gigi Tikus Rattus Norvegicus Sularsih Sularsih; Soeprijanto Soeprijanto
Jurnal Material Kedokteran Gigi Vol 5 No 1 (2016): JMKG Vol 5 No 1 Maret 2016
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

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Abstract

Chitosan which is composed glucosamine and acetlyglucosamine has been proven to be biologically, renewable,biodegradable, biocompatible and biofunctional. Tumor necrosis factor alpha (TNF a) is inflammatory factors that have important role in wound healing process of dental extraction. The aim of this study was to compare the expression of Tumor Necroting Factor Alpha (TNF a) on wound healing process of dental extraction using different molecular weight of chitosan gel. Rattus nornegicus strain wistar male, aged 8-16 weeks, divided into 3 treatment groups namely group 1 which given chitosan gel with high molecular weight. Group II which given chitosan with low molecular weight and group III which given’t chitosan gel. Chitosan gel were applied into the socket of dental extraction. Rat was decaputated 3 and 4 days after chitosan application and the jaw in the treated regions and control group were cut for imunohistochemical examination to observe the expression of Tumor Necroting Factor Alpha (TNF a). Data were analyzed using One way Anova test. The result showed significant differences of expression of Tumor Necroting Factor Alpha (TNF a) between groups with different molecular weight (p<0,05). The expression of TNF using chitosan with high and low molecular weight were 11,83±2,137 and 9,60±0,894 on 3 days examination and 17,00±1,871 and 12,17±1,722 on 4 days examination. The application of Chitosan gel with high molecular weight on wound healing process of dental extraction could stimulate the expression of TNF a.
Pengaruh Obat Kumur Beralkohol terhadap Kekasaran Permukaan Semen Ionomer Kaca Konvensional Astrid Yudith
Jurnal Material Kedokteran Gigi Vol 6 No 1 (2017): JMKG Vol 6 No 1 Maret 2017
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (489.395 KB) | DOI: 10.32793/jmkg.v6i1.258

Abstract

Surface roughness is one of the important properties to determine the aesthetic and long-term durability of a dental restoration materials such as glass ionomer cements. In the oral cavity, the intervention of food, drink or other materials such as mouthwash can affect the properties of restorative materials. The aim of this study was to evaluate the effect of alcohol containing mouthwash to the surface roughness of conventional glass ionomer cement. This was an experimental laboratory study with time-series design. Samples were conventional glass ionomer cement (Fuji IX, GC, Japan) in disk shaped with 10 mm in diameter and 2 mm thick. Totally 10 samples were made and measured the initial surface roughness. Then the samples were stored in the alcohol containing mouthwash (Listerine® Cool Mint, Johnson & Johnson, Indonesia) for 30 seconds and measured the surface roughness again. The treatment and surface roughness measurements of samples is repeated up to 2 times for data 60 and 90 seconds. Roughness measurements made using profilometer tester (Mitutoyo, Japan). Data were analyzed by one-way ANOVA (p=0,05) post hoc LSD. The results showed the average value of surface roughness of glass ionomer cements early, after soaking 30, 60, and 90 seconds of 0.56 ± 0.11 µm, 0.71 µm ± 0.23, 0.96 ± 0.16 µm and 1.02 ± 0.13 µm. Data analysis shows the difference in surface roughness values were significantly (p <0.05) between groups immersion and significant difference was found between groups of 30 seconds to 60 seconds and a group of 60 seconds to 90 seconds. The conclusion that there is influence of alcoholic mouthwash to the surface roughness of glass ionomer cement and the longer the soaking time with a mouthwash that contains alcohol, the surface roughness of glass ionomer cement will increase.
Oral Lesion Caused by Improper Removable Partial Denture Riani Setiadhi; Kosterman Usri
Jurnal Material Kedokteran Gigi Vol 7 No 1 (2018): JMKG Vol 7 No 1 Maret 2018
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (364.614 KB) | DOI: 10.32793/jmkg.v7i1.275

Abstract

Oral lesions are relatively common findings in clinical practice, can occur due to various factors such as trauma, systemic diseases, autoimmune disorders, malignancies. Local trauma as one of the cause of oral lesions majority due to poor dentures, fractured restorations and sharp edges of teeth. The lesions are commonly found on the mucosa that is subjected to the source of trauma such as buccal mucosa, lateral border of the tongue or lips. Removable partial denture is a denture that can be removed and reinserted without professional help. Poor removable denture which is an ill-fitting denture, rough/sharp/overextended flanges, or lack of retention/stability could cause oral lesions. This case report describes a 76 old year man complained of pain on his right lateral tongue since 6 months ago. He was wearing a removable upper right denture which cannot be remove for about a year. It was a rough and sharp self-curing acrylic denture. There was erythematous and pain on his lateral right of the tongue but no induration on palpation. Triamcinolone acetonide 0,1% in orabase was the given treatment for the right lateral of the tongue and referred him to the prosthodontic department for replacing the denture. The oral lesion was healed after one week of treatment and the poor denture was removed. As a conclusion dentures should be made properly by the expert in order to prevent oral lesions.

Page 9 of 16 | Total Record : 153

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