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INDONESIA
Dental Journal (Majalah Kedokteran Gigi)
Published by Universitas Airlangga
ISSN : 19783728     EISSN : 24429740     DOI : -
Core Subject : Health,
The Dental Journal (Majalah Kedokteran Gigi) (e-ISSN:2442-9740; p-ISSN:1978-3728) is published by the Faculty of Dental Medicine, Universitas Airlangga. Its diciplinary focus is dental science and dental hygiene. The Dental Journal (Majalah Kedokteran Gigi) is published in English on a quarterly basis with each 50-60 page edition containing between nine and eleven scientific articles on research, study literature and case studies. Contributors to the Dental Journal (Majalah Kedokteran Gigi) included: dental researchers, dental practitioners, lecturers, and students drawn from Indonesia and a wide range of other countries.
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Articles 964 Documents
Compressive strength and porosity tests on bovine hydroxyapatite-gelatin-chitosan scaffolds Nadia Kartikasari; Anita Yuliati; Indah Liatiana Kriswandini
Dental Journal (Majalah Kedokteran Gigi) Vol. 49 No. 3 (2016): September 2016
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 (280.975 KB) | DOI: 10.20473/j.djmkg.v49.i3.p153-157

Abstract

Background: Degenerative diseases, aggressive periodontitis, trauma, jaw resection, and congenital abnormalities can cause defects in jaw bone. The surgical procedure for bone reconstruction currently performed is bone regeneration graft (BRG). Unfortunately, this procedure still has many disadvantages. Thus, tissue engineering approach is necessary to be conducted. The main component used in this tissue engineering is scaffolds. Scaffolds used in bone regeneration is expected to have appropriate characteristics with bone, such as high porosity and swelling ratio, low degradation rates, and good mechanical properties. For those reasons, this research used scaffolds made from bovine hydroxyapatite (BHA), gelatin (GEL), and chitosan (K)/BHA-GEL-K as one of biomaterial candidates for bone regeneration. Purpose: This study aimed to determine compressive strength value and porosity size of BHA-GEL-K scaffolds. Method: Compressive strength of BHA-GEL-K scaffolds was tested using autograph with speed 10 mm/ min with a load cell compress machine of 100 kN. Compressive strength was calculated by force divided to surface area. Porosity test was measured using SEM. Scaffold were coated with Pb and Au, then the porosity size is calculated with SEM at 100x magnification. Result: BHA-GEL-K scaffolds had a mean compressive strength value of 174.29 kPa and a porosity size of 31.62 + 147.06 lm. Conclusion: It can be concluded that BHA-GEL-K scaffolds has a good compressive strength, but not yet resemble real bone mass, while porosity of BHA-GEL-K scaffold is appropriate for bone tissue regeneration application.
Effectiveness of Line communication application as a social media on changes in tooth brushing behavior of junior high school students in Banjarmasin Widodo Widodo; Darmawan Setijanto; Agung Sosiawan
Dental Journal (Majalah Kedokteran Gigi) Vol. 49 No. 4 (2016): December 2016
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 (241.596 KB) | DOI: 10.20473/j.djmkg.v49.i4.p223-228

Abstract

Background: There were only 10.7% of junior school students in Banjarmasin brushing their teeth before bedtime. Using Line (as one of the social media) can be assumed as an effective strategy to spread information. Purpose: This study aimed to reveal changes in tooth brushing behavior before bedtime in students of class VII in all state junior high schools in Banjarmasin after receiving information disseminated through Line. Method: Pre and post test technique with control group design was used in this research. Result: One week before the treatment, the mean frequency of tooth brushing behavior before bedtime in the Line group was 1.90, while in the poster group was 1.93. During the treatment, the mean frequency of tooth brushing behavior before bedtime in the Line group was 4.78 in the first 7 days, 5.07 in the second week, and 5.67 in the third week. On the other hand, the mean frequency of tooth brushing behavior before bedtime in the poster group was 4.66 in the first 7 days, 4.61 in the second week, and 5.18 in the third week. Conclusion: Messages/ information disseminated through both of Line and poster can give a significant change in tooth brushing behavior before bedtime. Nevertheless, Line can trigger better effectiveness than poster in stimulating a change in tooth brushing behavior before bedtime.
Anti-glucan effects of propolis ethanol extract on Lactobacillus acidophillus Ira Widjiastuti; Adioro Soetojo; Febriastuti Cahyani
Dental Journal (Majalah Kedokteran Gigi) Vol. 50 No. 1 (2017): March 2017
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 (484.392 KB) | DOI: 10.20473/j.djmkg.v50.i1.p28-31

Abstract

Background: In deep dentinal caries cases, bacteria mostly found are Lactobacillus acidophilus classified as gram positive bacteria and as facultative aerobes producing glucosyltransferase (GTF) enzyme. GTF enzyme can alter sucrose into glucans. Glucan is sticky and insoluble in water. As a result, GTF enzyme can facilitate plaque formation and microorganism colonization on tooth surface. In addition, Lactobacillus acidophilus also can form acid leading to demineralization of organic and inorganic materials, resulting in dental caries. Multidrug-resistant phenomena, on the other hand, have led to the use of natural resources, one of which is propolis as an antimicrobial material and as a new anti-infective therapeutic strategy. Propolis is a resinous substances collected by worker bees (Apismellifera) from barks and leaves of plants. Propolis has a complex chemical composition and biological properties, such as antibacterial, antiviral, antifungal, anti-inflammatory, and antitumor. Purpose: This research aimed to reveal anti-glucan effects of propolis ethanol extract generated from honey bee, Apis mellifera spp on Lactobacillus acidophilus bacteria. Method: Before antiglucan test was conducted, glucan-formation test was performed on Lactobacillus acidophilus bacteria using SDSpage. Meanwhile, anti-glucan adhesion test on Lactobacillus acidophilus bacteria was carried by culturing the bacteria at 37ºC temperature in a jar with 10% CO2. Test tubes were placed at an angle of 30º for 18 hours to review the attachment of bacteria at the glass surfaces. After the incubation, the culture of bacteria was vibrated using a mixer vortex for a few minutes, and then cultured in solid MRS A media. Bacteria grown were measured by using colony counter. Result: The ethanol extract of propolis with a concentration of 1.56% was the lowest concentration inhibiting the attachment of glucan to Lactobacillus acidophilus bacteria. Conclusion: The ethanol extract of propolis with a concentration of 1.56% can be used as an anti-glucan material for Lactobacillus acidophilus bacteria.
The increased number of osteoblasts and capillaries in orthodontic tooth movement post-administration of Robusta coffee extract H. Herniyati
Dental Journal (Majalah Kedokteran Gigi) Vol. 50 No. 2 (2017): June 2017
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 (480.872 KB) | DOI: 10.20473/j.djmkg.v50.i2.p91-96

Abstract

Background: The application of orthodontic forces subjects blood capillaries to considerable pressure, resulting in hypoxia on the pressure side. Vascular endothelial growth factor (VEGF), expressed in osteoblasts represents an important mitogen that induces angiogenesis. Osteoblasts and blood capillaries play an important role in bone formation. Robusta coffee contains chlorogenic acid and caffeic acid both of which produce antioxidant effects capable of reducing oxidative stress in osteoblasts. Purpose: The aim of this study was to analyze the effects of Robusta coffee extract on the number of osteoblasts and blood capillaries in orthodontic tooth movement. Methods: This research constituted a laboratory-based experimental study involving the use of sixteen male rodents divided into two groups, namely; control group (C) consisting of eight mice given orthodontic mechanical force (OMF) and a treatment group (T) containing eight mice administered OMF and dried Robusta coffee extract at a dose of 20mg/ 100 g BW. The OMF was performed by installing a ligature wire on the maxillary right first molar and both maxillary incisors. In the following stage, the maxillary right first molar was moved to the mesial using Tension Gauze with a Nickel Titanium Orthodontic closed coil spring. Observation was subsequently undertaken on the 15th day by extracting the maxillary right first and second molar with their periodontal tissues. Thereafter, histological examination was performed using hematoxylin-eosin (HE) staining technique to measure the number of osteoblasts and blood capillaries on the mesial and distal periodontal ligaments of the maxillary right first molar. Results: The administration of Robusta coffee extract increases the number of blood capillaries and osteoblasts on both the pressure and tension sides were found to be significantly higher in the T group compared to the C group (p<0,05). Conclusion: Robusta coffee extract increase the number of osteoblasts and blood capillaries, thereby playing a role in improving the alveolar bone remodeling process in orthodontic tooth movement.
Potency of Garcinia mangostana L peel extract combined with demineralized freeze-dried bovine bone xenograft on IL-1β expression, osteoblasts, and osteoclasts in alveolar bone Imam Safari Azhar; Utari Kresnoadi; Retno Pudji Rahayu
Dental Journal (Majalah Kedokteran Gigi) Vol. 50 No. 3 (2017): September 2017
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 (1111.318 KB) | DOI: 10.20473/j.djmkg.v50.i3.p166-170

Abstract

Background: Alveolar bone plays an important role in supporting dentures. One socket preservation procedure is the application of bone graft to the tooth socket immediately after extraction. The administration of Garcinia mangostana L peel extract combined with demineralized freeze-dried bovine bone xenograft (DFDBBX) is assumed to decrease the number of osteoclast cells and IL-1β expressions, while also increasing that of osteoblast cells. Purpose: This study aimed to establish the potency of Garcinia mangostana L peel extract combined with DFDBBX on interleukin 1β expressions, osteoclast cells, and osteoblast cells during the preservation of tooth extraction sockets. Methods: This research constituted experimental laboratory-based research using 56 Cavia cobayas as specimens with randomized factorial design (true experimental design). These subjects were divided into eight groups, given PEG, DFDBBX, mangosteen peel extract or a combination of mangosteen peel extract and DFDBBX, and subsequently anesthesized before their left mandibular incisors were extracted. Thereafter, the post-extraction sockets were treated with PEG, DFDBBX, mangosteen peel extract or a combination of mangosteen peel extract and DFDBBX. The sockets were examined by means of HE and immunohistochemical staining on days 7 and 30 after extraction. The data obtained was analyzed with a one-way ANOVA test. Results: The results of the one-way ANOVA test showed that the average number of osteoblasts, osteoclasts, and IL-1β expressions varied significantly between the groups. Conclusion: The combination of mangosteen peel extract and DFDBBX can potentially increase osteoblasts, while also decreasing osteoclasts and IL-1β expressions in the alveolar bones of Cavia cobaya.
Biological changes after dental panoramic exposure: conventional versus digital Rurie Ratna Shantiningsih; Silviana Farrah Diba
Dental Journal (Majalah Kedokteran Gigi) Vol. 51 No. 1 (2018): March 2018
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 (356.135 KB) | DOI: 10.20473/j.djmkg.v51.i1.p25-28

Abstract

Background: Dental digital radiography is more practical and requires fewer doses of radiation than conventional radiography. Because ionizing radiation has a biological effect on exposed tissue, concerns regarding its stochastic effect merit greater attention. In a previous study, it was found that biological changes and increases in the micronucleus occurred after conventional panoramic exposure to gingival crevicular fluid (GCF). Purpose: The purpose of this study is to investigate the difference in biological effects after digital panoramic exposure compared with conventional exposure. Methods: Twenty subjects were classified into two groups according to the radiographic technique employed. The techniques consisted of ten subjects undergoing digital panoramic radiograph exposure and ten others being subjected to conventional exposure. GCF calculated in mm3 was collected by applying paper strips to the anterior maxillary labial gingival sulcus for one minute prior to and ten minutes after exposure. A micronucleus was obtained from a gingival smear on the same quadrant ten days after panoramic exposure. Results: There was a significant difference in the number of micronuclei between conventional and digital panoramic radiographs both before and after exposure (p=0.000). In contrast, increased GCF volume was not statistically significant (p=0.506) before or after digital panoramic exposure, while the significant difference of conventional panoramic exposure was p=0.017. Conclusion: Digital panoramic radiograph exposure induced a biological change only in terms of an increase in the number of micronuclei but not in the volume of GCF.
Effect of Cassave leaf flavonoid extract on TNF-&#945; expressions in rat models suffering from periodontitis Zahara Meilawaty; Banun Kusumawardani
Dental Journal (Majalah Kedokteran Gigi) Vol. 49 No. 3 (2016): September 2016
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 (209.887 KB) | DOI: 10.20473/j.djmkg.v49.i3.p137-142

Abstract

Background: Bacteria playing a role in periodontitis are Gram-negative anaerobic bacteria that can release endotoxin or lipopolysaccharide (LPS). LPS acts as a stimulus to a variety of host cells that can stimulate expression of pro-inflammatory cytokines in periodontal disease, such as IL-1α, IL-1β, and TNF-α. Increased TNF-α then can lead to periodontal tissue destruction. Furthermore, cassava leaves have many health benefits due to flavonoid organic compound contained, known to possess anti-inflammatory activity are used as a medicine. Purpose: This study aimed to determine the effect of cassava leaf flavonoid extract as a basic ingredient of anti-inflammatory gel on TNF-α expression in Wistar rats suffering from periodontitis induced with Escherichia coli (E. coli) LPS. Method: This study used 24 male Wistar rats. Those rats were divided into six groups. Group 1 consisted of four rats induced with E. coli LPS for 2 weeks, and then decapitation was performed on day 3. Group 2 consisted of four rats induced with E. coli LPS for 2 weeks, and then decapitation was conducted on day 7. Group 3 consisted of four rats induced with E. coli LPS for 2 weeks, treated with the topical cassava leaf flavonoid extract gel (Manihot esculenta) at a concentration of 25%, and then decapitation was performed on day 3. Group 4 consisted of four rats induced with E. coli LPS for 2 weeks, treated with the topical cassava leaf flavonoid extract gel (Manihot esculenta) at a concentration of 25%, and then decapitation was conducted on day 7. Group 5 consisted of four rats induced with E. coli LPS for 2 weeks, treated with the topical cassava leaf flavonoid extract gel (Manihot esculenta) at a concentration of 50%, and then decapitation was performed on day 3. And, group 6 consisted of four rats induced with E. coli LPS for 2 weeks, treated with the topical Cassava leaf flavonoid extract gel (Manihot esculenta) at a concentration of 50%, and then decapitation was conducted on day 7. The topical Cassava leaf flavonoid extract gel was inserted into gingival sulcus on the first right molar of their lower jaw by using a blunted syringe needle. The gel was given two times a day for 7 days. Result: The expression of TNF-α in the control group was more than that in the treatment groups given the Cassava leaf flavonoid extract gel at the concentrations of 25% and 50%. The expression of TNF-α in the treatment groups given the cassava leaf flavonoid extract gel at the concentration of 50% was lower than that in the treatment groups given the cassava leaf flavonoid extract gel at the concentration of 25%. Conclusion: Cassava leaf flavonoid extract gel could be used as an anti-inflammatory gel characterized by a decrease in TNF-α expression in rat models suffering from periodontitis.
The influence of artificial salivary pH on nickel ion release and the surface morphology of stainless steel bracket-nickel-titanium archwire combinations Ida Bagus Narmada; Natalya Tantri Sudarno; Achmad Sjafei; Yuli Setiyorini
Dental Journal (Majalah Kedokteran Gigi) Vol. 50 No. 2 (2017): June 2017
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 (777.547 KB) | DOI: 10.20473/j.djmkg.v50.i2.p80-85

Abstract

Background: In the oral cavity, orthodontic appliances come into contact with saliva which may cause corrosion capable of changing their surface morphology due to the release of metal ions. Surface roughness can influence the effectiveness of tooth movement. One of the ions possibly released when body fluid comes into contact with brackets and archwire is nickel ion (Ni). Ni, one of the most popular components of orthodontic appliances, is, however, a toxic element that could potentially increase the likelihood of health problems such as allergic responses during treatment. Purpose: The purpose of this study was to investigate the effect of different artificial salivary pH on the ions released and the surface morphology of stainless steel (SS) brackets-nickel-titanium (NiTi) and archwire combinations. Methods: Brackets and archwires were analyzed by an Energy Dispersive X-Ray Detector System (EDX) to determine their composition, while NiTi archwire compound was examined by means of X-ray Diffraction (XRD). The immersion test was performed at artificial salivary pH levels of 4.2; 6.5; and 7.6 at 37°C for 28 days. Ni ion release measurement was performed using an Atomic Absorption Spectroscopy (AAS). Surface morphology was analyzed by means of a Scanning Electron Microscopy (SEM). Results: The chemical composition of all orthodontic appliances contained Ni element. In addition, XRD was depicted phases not only NiTi but also Ni, Titanium, Silicon and Zinc Oleate. The immersion test showed that the highest release of Ni ions occured at a pH of 4.2, with no significant difference at various levels of pH (p=.092). There were surface morphology changes in the orthodontic appliances. It was revealed that at a pH of 4.2, the surfaces of orthodontic appliances become unhomogenous and rough compared to those at other pH concentrations. Conclusion: The reduction of pH in the artificial saliva increases the amount of released Ni ions, as well as causing changes to the surface morphology of brackets and archwires.
Dental care for children with autism spectrum disorder Amrita Widyagarini; Margaretha Suharsini
Dental Journal (Majalah Kedokteran Gigi) Vol. 50 No. 3 (2017): September 2017
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 (1002.337 KB) | DOI: 10.20473/j.djmkg.v50.i3.p160-165

Abstract

Background: Providing dental treatment for children with autism spectrum disorder (ASD) represents a challenge for dentists. In the dental care of such children, the treatment plans implemented are usually determined by several factors, including: the type of autism spectrum disorder, the degree of patient cooperation, dentist/patient communication, the required treatment, self-care skills and parental/dentist support. Purpose: The purpose of this case report was to report the dental care delivered in the cases of two pediatric patients with ASD. Case 1: A 10.7 year-old boy with a nonverbal form of ASD who was experiencing recurrent pain in his lower left posterior tooth and also presented a blackened tooth. Case 2: A 9.6 year-old boy with a nonverbal form of ASD suffering from numerous painful cavities. Case management 1: On the day of the first visit, the boy was the subject of several behavioral observations. During the day of the second visit, he underwent a brief intraoral examination at a dental unit in order to arrive at a temporary diagnosis before appropriate was decided upon treatment in consultation with his parents. The implemented treatment plans comprised dental extraction and preventive restoration under general anesthesia. Case management 2: On the first visit, the boy underwent behavioral observations followed by early intraoral examination involving physical restraint approach. During the second visit, several treatment plans such as: general anesthesia, tooth extraction, restoration, and pulp-capping treatment were formulated. Conclusion: It can be concluded that general anesthesia was considered an appropriate dental treatment plan since the two patients in question were extremely co-operative during the necessary procedures. In other words, pediatric dental care treatment plans in cases of ASD should be determined by clearly-defined criteria, specifically the benefits and risks of the treatment plans for the safety of both patient and dental care team.
The increase of VEGF expressions and new blood vessels formation in Wistar rats induced with post-tooth extraction sponge amnion Moh. Basroni Rizal; Elly Munadziroh; Indah Listiana Kriswandini
Dental Journal (Majalah Kedokteran Gigi) Vol. 51 No. 1 (2018): March 2018
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 (1219.714 KB) | DOI: 10.20473/j.djmkg.v51.i1.p1-4

Abstract

Background: Tooth extraction is the process of removing a tooth from the oral cavity potentially triggering a wound healing response in the body. As a result, many methods have been applied to improve the wound healing process, especially in wounds resulting in complications. One such method involves the application of amniotic membrane which has anti-inflammatory, anti-bacterial, anti-fibrosis, anti-scarring properties with low immunogenicity, epithelialization effects, and secretory leukocyte protease inhibitor (SLPI). It also contains collagen, various growth factors, transferrin, fibronectin, nidogen, proteoglycans, hyaluronan, and laminin. Purpose: This study aimed to determine the effects of sponge amnion on the number of VEGF expressions and new blood vessels in post-tooth extraction wounds of Wistar rats. Methods: Sponge amnion was produced by mixing freeze-dried amnion membrane from the Tissue Bank at RSUD Dr. Soetomo with 1% gelatin before freeze drying the mixture. Wistar rats were then divided into two groups. In Group 1, referred to as the control group, the post-extraction wounds of the rats received no treatment. Meanwhile, in Group 2, the treatment group, the subjects’ post-extraction wounds were treated with sponge amnion. The rats of both groups were sacrificed on day 3 to allow observation of the number of VEGF expressions and new blood vessels. A statistical analysis test, a t-test, was subsequently conducted. Results: There was a significant difference in the number of new blood vessels in the control group and that of the treatment group with a p value of 0.018 (p<0.05). There was also a significant difference in VEGF expression between the two groups with a p value of 0.000 (p <0.05). Conclusion: Sponge amnion can generate a number of VEGF expressions and new blood vessels in the post-extraction wounds of Wistar rats.

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