Dental Journal (Majalah Kedokteran Gigi)
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.
Articles
964 Documents
The difference between porcelain and composite resin shear bond strength in the administration of 4% and 19.81% silane
Ira Widjiastuti;
Dwina Rahmawati Junaedi;
Ruslan Effendy
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
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DOI: 10.20473/j.djmkg.v52.i1.p27-31
Background: Damage to porcelain restorations such as fractures requires a repair that can be performed either directly or indirectly. Direct repair involves directly performing restoration of fractured porcelain with a composite resin application. This technique has more advantages than indirect repair because it requires no laboratory work and can be completed during a single visit. Silane, on the other hand, has been widely used and is reported to increase porcelain and composite resin attachments during the direct repair process. Purpose: This study aimed to determine the differences in shear bond strength between porcelain and composite resin during the administering of 4% and 19.81% silane. Methods: 27 porcelain samples were divided into three groups, namely: Group A - 4% silane, Group B - 19.81% silane and Group C - no silane, prior to the application of composite resin. Each sample was tested for shear bond strength by means of Autograph and fracture analysis performed through stereomicroscope and scanning electron microscope tests. Data analysis was subsequently performed using an ANOVA test. Results: There was a significant difference between the three groups with p=0.000 (p<0.005). The lowest bond strength was found in the group without silane, while the highest was in the group with 4% silane (p<0.005). Conclusion: The use of 4% silane can produce the highest shear bond strength of porcelain and resin composite.
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
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DOI: 10.20473/j.djmkg.v52.i1.p1-7
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.
Effects of hydroxyapatite gypsum puger scaffold applied to rat alveolar bone sockets on osteoclasts, osteoblasts and the trabecular bone area
Amiyatun Naini;
I Ketut Sudiana;
Mohammad Rubianto;
Utari Kresnoadi;
Faurier Dzar Eljabbar Latief
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
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DOI: 10.20473/j.djmkg.v52.i1.p13-17
Background: Damage to bone tissue resulting from tooth extraction will cause alveolar bone resorption. Therefore, a material for preserving alveolar sockets capable of maintaining bone is required. Hydroxyapatite Gypsum Puger (HAGP) is a bio-ceramic material that can be used as an alternative material for alveolar socket preservation. The porous and rough surface of HAGP renders it a good medium for osteoblast cells to penetrate and attach themselves to. In general, bone mass is regulated through a remodeling process consisting of two phases, namely; bone formation by osteoblasts and bone resorption by osteoclasts. Purpose: This research aims to identify the effects of HAGP scaffold application on the number of osteoblasts and osteoclasts, as well as on the width of trabecular bone area in the alveolar sockets of rats. Methods: This research used Posttest Only Control Group Design. There were three research groups, namely: a group with 2.5% HAGP scaffold, a group with 5% HAGP scaffold and a group with 10% HAGP scaffold. The number of samples in each group was six. HAGP scaffold at concentrations of 2.5%, 5% and 10% was then mixed with PEG (Polyethylene Glycol). The Wistar rats were anesthetized intra-muscularly with 100 mg/ml of ketamine and 20 mg/ml of xylazine base at a ratio of 1:1 with a dose of 0.08-0.2 ml/kgBB. Extraction of the left mandibular incisor was performed before 0.1 ml preservation of HAGP scaffold + PEG material was introduced into the extraction sockets and suturing was performed. 7 days after preparation of the rat bone tissue, an Hematoxilin Eosin staining process was conducted in order that observation under a microscope could be performed. Results: There were significant differences in both the number of osteoclasts and osteoblasts between the 2.5% HAGP group, the 5% HAGP group and the 10% HAGP group (p = 0.000). Similarly, significant differences in the width of the trabecular bone area existed between the 5% HAGP group and the 10% HAGP group, as well as between the 2.5% HAGP group and the 10% HAGP group (p=0.000). In contrast, there was no significant difference in the width of the trabecular bone area between the 2.5% HAGP group and the 5% HAGP group. Conclusion: The application of HAGP scaffold can reduce osteoclasts, increase osteoblasts and extend the trabecular area in the alveolar bone sockets of rats.
Horizontal transmission of Streptococcus mutans in children attending kindergarten
Retno Indrawati
Dental Journal (Majalah Kedokteran Gigi) Vol. 51 No. 4 (2018): December 2018
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en
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DOI: 10.20473/j.djmkg.v51.i4.p216-221
Background: Transmission of Streptococcus mutans (S. mutans), the main pathogen found in dental caries, is particularly prevalent during the first two years of infancy. Numerous children are reportedly infected with S. mutans by their mothers with early initial acquisition of the condition considered to carry a higher risk of subsequent dental caries. Purpose: This research aimed to examine the possibility of horizontal transmission of S. mutans in children attending Surabaya-based kindergartens. Methods: The number of subjects who satisfied the inclusion criteria totaled 146. Dental plaque was collected for one minute with a sterile toothbrush. After completion of an isolation process, 25 S. mutans colonies were identified in Tripticase Cysteine Yeast (TYC) media by means of morphological, microscopic and biochemical tests using API 20 Strept (bioMerieux France). A polymerase chain reaction with OPA-2 and 13 was subsequently used to determine the genotype of S. mutans. Primary data collection was completed by the administering of a questionnaire intended to elicit information regarding the gender, age, diet and medical history of subjects. Results: An arbitrarily primed polymerase chain reaction (AP-PCR) fingerprint profile of the strains isolated from the subjects indicated similarities in five genotypes of S. mutans and differences in 18 genotypes. Conclusion: The study indicated that certain children are similarly infected by S mutans bacteria which might be due to horizontal transmission between classmates.
Comparative in vitro study of the cytotoxicity of gelatine and alginate to human umbilical cord mesenchymal stem cells
Nike Hendrijantini
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
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DOI: 10.20473/j.djmkg.v52.i1.p36-40
Background: Mesenchymal stem cells (MSCs) and scaffold combination constitute a promising approach currently adopted for tissue engineering. Umbilical cord-derived mesenchymal stem cells (hUC-MSCs) are easily obtained and non-invasive. Gelatine and alginate constitute a biocompatible natural polymer scaffold. At present, a cytotoxicity comparison of gelatine and alginate to hUC-MSCs is not widely conducted Purpose: This study aimed to compare the cytotoxicity of gelatine and alginate in hUC-MSCs in vitro. Methods: Isolation and culture were performed on hUC-MSCs derived from healthy full-term neonates. Flow Cytometry CD90, CD105 and CD73 phenotype characterization was performed in passage 4. 3-(4,5-dimethythiazol- 2-yl)-2,5-diphenyl tetrazolium bromide (MTT) colorimetric assay was performed to measure the cytotoxicity. The three sample groups were: (T1) hUC-MSCs with α-MEM (alpha-minimum essential medium) solution as control; (T2) hUC-MSCs with gelatine; (T3) hUC-MSCs with alginate Results: Flow cytometry of hUC-MSCs displayed positive CD90, CD105 and CD73 surface markers. Gelatine and alginate had no effect on the viability of hUC-MSCs and no statistically significant difference (p>0.05) of cytotoxicity between gelatine and alginate to hUC-MSCs. Conclusion: Gelatine and alginate proved to be non-toxic to hUC-MSCs in vitro.
Musculoskeletal disorder risk level evaluation of posterior maxillary tooth extraction procedures
Anggy Prayudha;
Roberto M. Simandjuntak;
Ni Putu Mira Sumarta
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
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DOI: 10.20473/j.djmkg.v52.i1.p18-23
Background: The professional activity of dentists involves a relatively small treatment area, namely; the oral cavity. Dental treatment requires a high level of precision with the result that dentists frequently perform their duties in a physically uncomfortable position over a relatively extended period of time. Tooth extraction is the most common form of treatment performed in a standing position, with extraction of the posterior maxillary tooth being the most challenging. 80 per cent of students and dentists working in the Faculty of Dentistry at the University of Indonesia present musculoskeletal disorders (MSD). Purpose: To evaluate the level of MSD risk of Oral and Maxillofacial Surgery Clinic students at the Universitas Airlangga Dental Hospital following posterior maxillary tooth extraction. Methods: The evaluation of MSD risk level was performed over a period of three months on 73 subjects who had experienced posterior maxillary tooth extraction, categorized as extraction under anaesthesia, extraction involving the use of an elevator and extraction using forceps. Evaluation was conducted by two observers by means of CCTV video footage using a Rapid Entire Body Assessment (REBA) worksheet. Results: Under anaesthetic sedation, 67.12% experienced medium risk, 31.51% high risk, and 1.37% low risk. During extraction using an elevator, 58.90% experienced high risk, 35.62% medium risk and 5.48% extremely high risk. During extraction using forceps, 57.53% ran medium risk, 39.73% high risk, and 2.74% extremely high risk. Conclusion: Students who performed posterior maxillary tooth extraction could be categorized as running a high risk of MSD during extraction using an elevator, but medium risk when administering anaesthesia and performing extraction with forceps.
The potential effect of Moringa oleifera leaves extract on vascular endothelial growth factor expression in Wistar rat oral cancer cells
Dwicha Rahma Nuriska Hartono;
Theresia Indah Budhy Sulisetyawati;
Edhi Jularso
Dental Journal (Majalah Kedokteran Gigi) Vol. 52 No. 2 (2019): June 2019
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en
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DOI: 10.20473/j.djmkg.v52.i2.p71-75
Background: Cancer is a disease characterized by abnormal and uncontrolled growth of tissue cells. In Indonesia, cancer ranks as the fifth largest cause of mortality, while it is the second largest worldwide. Cancer affected by angiogenesis, the process of forming new blood vessels to provide the nutrient and oxygen necessary for tumor growth. Vascular endothelial growth factor (VEGF) represents a pro-angiogenic factor. Moringa oleifera leaf extract can be used as an anticancer agent by reducing the expression of VEGF. Purpose: The study aimed to prove that Moringa oleifera leaf extract can reduce VEGF expression in benzopyrene-induced oral cancer cells of Wistar rats. Methods: This was an experimental laboratory research with posttest-only control group design. All experimental subjects presented symptoms of cancer following induction with 8 mg/KgBW of benzopyrene. The sample consisted of 28 Wistar rats, divided into four groups, namely; a control group (K) whose members were administered with only aquadest and three treatment groups (P) treated with Moringa oleifera leaves extract at percentages of 3.125% (P1), 4.6875% (P2) and 6.25% (P3) respectively. Observation of VEGF expression was undertaken by means of immunohistochemical staining. Results: A decrease in VEGF expression occurred in all treatment groups when compared with the control group. A significant difference existed between the control group (K) and the treatment group (P1), while there were no significant differences between the treatment groups (P1, P2 and P3). Conclusion: Moringa oleifera leaf extract with a percentage of 3.125% proved most effective at reducing VEGF expression in oral cancer cells in Wistar rats.
The difference in microleakage levels of nanohybrid composite resin using eighth-generation ethanol and isopropanol solvent bonding materials under moist and dry conditions (in vitro study)
Irfan Dwiandhono;
Setiadi W. Logamarta;
Taura Dhanurdara
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
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DOI: 10.20473/j.djmkg.v52.i1.p41-44
Background: Microleakage during restoration causes secondary caries. The shrinkage of nanohybrid composite resin can occur during the polymerization process, affected by both the selection of bonding materials featuring different solvents, such as ethanol and isopropanol, as well as contrasting conditions such as moist and dry. Purpose: This study aimed to determine and analyze the differences of microleakage level of nanohybrid composite resin using the eighth-generation bonding materials made from ethanol and isopropanol solvents under moist and dry conditions. Methods: This research constituted an experimental laboratory study. The samples were divided into four groups. Group I used a bonding material produced from ethanol under dry conditions. Group II used a bonding material produced from ethanol under moist conditions. Group III used a bonding material produced from isopropanol under dry conditions. Group IV used a bonding material produced from isopropanol under moist conditions. The levels of microleakage were subsequently tested using a stereo microscope. Results: Microleakage examination was performed by means of a stereo microscope to observe the methylene blue color penetration with assessment subsequently being performed on a scale of 0 to 3. The statistical results of a Kruskal-Wallis test showed that no significant differences occurred in any of the treatment groups (sig = 0.141, p<0.05). Conclusion: There was no difference in the microleakage levels of nanohybrid composite resin using eighth-generation bonding materials produced from ethanol and isopropanol solvents under moist and dry conditions.
The effect of UDMA and Bis-GMA irradiation period on residual monomers in resin packable composite
Jayanti Rosha;
Adioro Soetojo;
Putu Dewi Purnama Sari Budha;
M. Mudjiono
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
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DOI: 10.20473/j.djmkg.v52.i1.p24-26
Background: Residual monomers are non-polymerized monomers which can cause clinical harm, for example inflammation, to oral cavity tissue while the remaining monomers can potentially be carcinogenic. The more residual monomers that remain due to an imperfect polymerization processes, the lower the compressive strength level and the higher the number of micro slits that can cause secondary caries and tooth sensitivity. Urethane dimethacrylate (UDMA) and bisphenol A glycol dimethacrylate (Bis-GMA) constitute two of the resins most frequently used in packable composites. During the short irradiaton period forming part of the polymerization process, UDMA and Bis-GMA have the potential to produce residual monomers. Purpose: This study aimed to compare the number of residual monomers in packable composite resin following irradiation lasting 1x20 seconds and 2x20 seconds. Methods: 28 samples of cylindrical packable composite with a thickness of 2 mm and a diameter of 5 mm were divided into four groups. Groups 1 and 2 were irradiated for 1x20 seconds, and groups 3 and 4 for 2x20 seconds with the composite subsequently being immersed in ethanol solution for 24 hours. The number of residual monomers using high-performance liquid chromatography (HPLC) devices was calculated and the results statistically analyzed using a Mann-Whitney Test. Results: Repeated irradiation had no effect on the amount of residual monomers in packable composite resins. However, there were differences in the number of residual monomers in the material contained in packable composite resins Bis-GMA and UDMA, while the remaining monomers in UDMA outnumbered those in Bis-GMA. Conclusion: The number of residual monomers in Bis-GMA is lower than in the remaining UDMA after 1x20 seconds irradiation, while the number of residual monomers in Bis-GMA and UDMA following 2x20 seconds irradiation was no different to that after irradiation of 1x20 seconds duration.
The management of herpes labialis, oral thrush and angular cheilitis in cases of oral diabetes
Maharani Laillyza Apriasari
Dental Journal (Majalah Kedokteran Gigi) Vol. 52 No. 2 (2019): June 2019
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en
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DOI: 10.20473/j.djmkg.v52.i2.p76-80
Background: As reported in several studies, prolonged or uncontrolled cases of diabetes mellitus (DM) may induce a more extreme inflammatory response. Mucosal lesions can be observed in patients who present this systemic condition. Purpose: The purpose of this study was to elaborate the management of herpes labialis, oral thrush and angular cheilitis as oral manifestations of diabetes. Case: A 49-year-old male complained of having experienced painful lip ulceration for the preceding seven days. The anamnesis of the patient revealed that, prior to lip ulceration, he had experienced high fever and malaise in addition to frequent urination at night and a tingling sensation in the toes and fingertips on waking. Case management: The patient was referred to undergo blood count, fasting blood glucose and oral glucose tolerance tests. The blood test result confirmed the patient to be suffering from DM and anemia. The immunocompromised condition of the patient prompted the occurrence of herpes labialis, oral thrush and angular cheilitis. Conclusion: Multidisciplinary treatment for herpes labialis resulting in oral candidiasis in DM patients is indispensable. Concurrent infection with HSV and candidiasis necessitates a more prolonged healing process. Consequently, it is a essential to treat the hyperglycemia which induces an immunocompromised state in diabetic patients.