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Dental Journal (Majalah Kedokteran Gigi)

MKG
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Published by Universitas Airlangga

ISSN : 19783728 EISSN : 24429740 DOI : -

Core Subject : Health,

Dentistry

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.

Arjuna Subject : -

Articles 964 Documents

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The fractographic analysis of three dentin bonding agents on tooth surface Adioro Soetojo
Dental Journal (Majalah Kedokteran Gigi) Vol. 39 No. 4 (2006): December 2006
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

The dentin bonding agent is hydrophilic resin that can strongly bind to dentin surface, both in chemical and physical-mechanical ways. The dentin surface is good for the resin bonding when the surface is in moist condition. Three types of dentin bonding agents: Voco, Prime & Bond NT and Excite were used in this research and their application methods are called as total-etched technique. The objective of this research is to examine the difference of tensile bond strength of the three bonding agents on the moist dentin surface. Bovine incisivus teeth were cut and sharpened using diamond bur then smoothened with sandpaper. Dentin surfaces were etched with 37% phosphoric acid, washed with 20 cc aquadest, and dried with blot-dry technique. The preparation teeth were inserted into desiccator with minimum humidity 60% and maximum 90% for one hour. After removed from the desiccator, the Voco agent was applied on the teeth in first group, and then followed by the Prime & Bond NT and Excite agents, respectively. The resulting sample was stored within the room temperature. After 24 hours, the tensile bond strength was tested using Autograph instrument. The results indicated that the tensile bond strength of Voco and Prime & Bond NT agents were higher than Excite both at humidity 60% and 90% (p ≤ 0.05). In conclusion, the dentin bonding agents with acetone solvents have a higher tensile bond strength compared with those with alcohol solvents.

The Copper concentration variation to physical properties of high copper amalgam alloy Aminatun Aminatun
Dental Journal (Majalah Kedokteran Gigi) Vol. 39 No. 3 (2006): September 2006
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

The function of copper (Cu) inside amalgam is to increase hardness and impact force and to decrease thermal expansion coefficient. In general, amalgam which is used in dentistry and available in the market is contain Cu 22%, while the maximum Cu concentration is 30%. It is necessary to determine the concentration Cu does generate the best physical properties to be used as dental restorative agent. Amalgam is made by mixing blended-metal Ag-Sn-Cu (with Cu concentration of 13%, 21%, 22%, and 29%) and Hg, stirred manually in a bowl for 15 minutes,leave it in temperature 27°C for 24 hours to become hardened. The result of X-Ray Diffractometer (XRD), analyzed by Rietveld method and Rietica program, shows amalgam with Cu 29% concentration for Cu3Sn compound density is 31.790 sma/Å3, for Ag2Hg3 compound is 41.733 sma/ Å3, a Cu3Sn relative weight percentage of 43.23%, Ag2Hg3 of 54.54%, Cu 7Hg6 of 2.23% and hardness of Cu 29% is 90.700 ± 0.005 kgf/mm2. These numbers are the highest values on Cu 29% concentrations compared to other copper concentration variants. Whereas amalgam thermal expansion coefficient on Cu 29% is (2.17 ± 0.91)10-3 mm/°C is the lowest value compared to other Cu concentration. The conclution is that adding Cu concentration into amalgam will increase density value, Cu3Sn relative weight percentage, hardness level and will decrease amalgam thermal expansion coefficient. Amalgam 29% Cu concentration has better physical properties compared to amalgam Cu 22% concentration.

The ability of IgY to recognize surface proteins of Streptococcus mutans Basri A. Gani; Santi Chismirina; Zinatul Hayati; Endang Winiati B; Boy M. Bachtiar; I. Wayan T. Wibawan
Dental Journal (Majalah Kedokteran Gigi) Vol. 42 No. 4 (2009): December 2009
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Streptococcus mutans are gram positive bacteria classified into viridians group, and have a role in pathogenesis of dental caries. It’s adhesion to the tooth surface is mediated by cell surface proteins, which interact with specific receptor located in tooth pellicle. Glucan binding protein, Glukosyltransferase, and antigen I/II are basic proteins of S. mutans, which have a role in initiating the interaction. A previous study showed that chicken’s IgY can interfere the interaction. Purpose: The objective of this study was to assess the ability of IgY in recognizing the surface molecule of Streptococcus mutans expressed by various serotypes (c, d, e, f) and a strain derived from IPB, Bogor. Method: Western blot was used as a method to determine such capability. Result: The result showed that IgY has a potency to recognize antigen I/II, but not the other proteins on the cell surface of all bacteria tested. Conclusion: The ability of IgY to bind the surface protein, antigen I/II, indicates that this avian antibody could be used as a candidate for anti-adhesion in preventing dental caries.

Serum C-reactive protein and C-reactive gene (-717C>T) polymorphism are not associated with periodontitis in Indonesian male patients Antonius Winoto Suhartono; Benso Sulijaya; Niniarty Zeiroeddin Djamal; Sri Lelyati Chaidar Masulili; Christopher Talbot; Elza Ibrahim Auerkari
Dental Journal (Majalah Kedokteran Gigi) Vol. 48 No. 3 (2015): September 2015
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Periodontitis is an inflammatory disease caused by periodontal pathogens and influenced by multiple risk factors such as genetics, smoking habit, age and systemic diseases. The inflammatory cascade is characterized by the release of C-reactive protein (CRP). Periodontitis has been reported to have plausible links to increased level of CRP, which in turn has been associated to elevated risk of cardiovascular disease (CVD). Purpose: The purpose of this study was t o investigate the relationship amongst the severity of periodontitis, CRP level in blood and CRP (-717 C>T) gene polymorphism in male Indonesian smokers and non-smokers. Method: The severity of periodontitis was assessed for 97 consenting male Indonesian smokers and non-smokers. The CRP level of the subjects was determined by using immuno-turbidimetric assay performed in PARAHITA Diagnostic Center Laboratory ISO 9001: 2000 Cert No. 15225/2. The rate of CRP (-717C>T) gene polymorphism was determined by using PCR-RFLP in Oral Biology Laboratory, Faculty of Dentistry, Universitas Indonesia. Result: The results suggest that the CRP protein level is not significantly associated with the tested CRP gene polymorphism (p>0.05). Also, while the severity of periodontitis increased significantly with subject age, the CRP level in blood serum was not significantly related to the severity of periodontitis. The genotypes of the tested polymorphism did not show significant association with the severity of periodontitis either in smokers or in the combined population including smokers and non-smokers. The results naturally do not exclude such associations, but suggest that to discern the differences the sample size must be considerably increased. Conclusion: The CRP (-717C>T) gene polymorphism and CRP level in blood serum were not found to be associated with the severity of periodontitis in male smokers or in the combined population of smokers and non-smokers.

Inhibition effect of calcium hydroxide point and chlorhexidine point on root canal bacteria of necrosis teeth Andry Leonard Je; Achmad Sudirman; Karlina Samadi
Dental Journal (Majalah Kedokteran Gigi) Vol. 39 No. 1 (2006): March 2006
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Calcium Hydroxide point and Chlorhexidine point are new drugs for eliminating bacteria in the root canal. The points slowly and controly realease Calcium Hydroxide and Chlorhexidine into root canal. The purpose of the study was to determined the effectivity of Calcium hydroxide point (Calcium hydroxide plus point) and Chlorhexidine point in eleminating the root canal bacteria of nescrosis teeth. In this study 14 subjects were divided into 2 groups. The first group was treated with Calcium hydroxide point and the second was treated with Chlorhexidine poin. The bacteriological sampling were measured with spectrofotometry. The Paired T Test analysis (before and after) showed significant difference between the first and second group. The Independent T Test which analysed the effectivity of both groups had not showed significant difference. Although there was no significant difference in statistical test, the result of second group eliminate more bacteria than the first group. The present finding indicated that the use of Chlorhexidine point was better than Calcium hydroxide point in seven days period. The conclusion is Chlorhexidine point and Calcium hydroxide point as root canal medicament effectively eliminate root canal bacteria of necrosis teeth.

Diagnosis and management of Crohn’s disease in retarded child Rahmi Amtha
Dental Journal (Majalah Kedokteran Gigi) Vol. 42 No. 2 (2009): June 2009
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Crohn’s disease is an uncommon condition characterized by granulomatous lesions. It is a rare disease and affects mainly in the terminal ileum. It may also manifest in the oral cavity as an unhealed, painful chronic apthous-like ulcer and may be undiganosed, so that it leads to the mismanagement of the disease. Purpose: To overview the establisment and managment of a retarded child with chronic painfull ulcers and gastrointestinal problems. Case: An 11-year-old retarded child who complained of ulcers since 6 months ago on the both side of the cheek and the lateral border of the tongue. Large irregular lesions were found accompanied by lips swelling, gingival hyperplasia, mucosal tags, hypersalivation. The blood test showed that the patient was suffering from anemia and haematinic (Fe, Folat and vitamin B12) deficiencies. Weight loss occurred for last 6 months, abdominal pain and constipation were also identified. Daily food pattern showed imbalance food intake. Histopathology features showed granolumatous lesions and was confirmed as a Crohn’s disease. Case management: Reassurance and team work with gastroenterologist were performed. Systemic sulfasalazin combined with corticosteroid and multivitamin were administered. Oral hygiene was maintained with hyaluronic acid mouthwash. Reduced in size of ulcer, pain and swelling were shown gradually. Oral ulcers and gastrointestinal symptoms disappeared after 2 months treatment. Conclusion: Diagnosis of Crohn’s disease needs a comprehensive clinical examination and histopathological test are mandatory to be able to manage the disease thoroughly.

Immunodetection of rasP21 and c-myc oncogenes in oral mucosal swab preparation from clove cigarette smokers Silvi Kintawati
Dental Journal (Majalah Kedokteran Gigi) Vol. 41 No. 4 (2008): December 2008
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Smoking is the biggest factor for oral cavity malignancy. Some carcinogens found in cigar will stimulate epithel cell in oral cavity and cause mechanism disturbance on tissue resistance and produce abnormal genes (oncogenes). Oncogenes ras and myc are found on malignant tumor in oral cavity which are associated with smoking. Purpose: This research is to find the expression of oncogenes rasP21 and c-myc in oral mucosa epithelial of smoker with immunocytochemistry reaction. Methods: An oral mucosal swab was performed to 30 smokers categorized as light, moderate, and chain, and 10 non smokers which was followed by immunocytochemistry reaction using antibody towards oncogene rasP21 and c-myc is reacted to identify the influence of smoking towards malignant tumor in oral cavity. The result is statistically analyzed using Kruskal-Wallis test. Result: Based on the observation result of oncogene rasP21reaction, it shows that there is significant difference between non smoker group and light smoker, compared to moderate and chain smoker group (p < 0.01). On the other side, the observation result of oncogene c-myc indicates that there is no significant difference between the group of non smokers and the group of light, moderate, and chain smokers (p > 0.05). Conclusion: The higher the possibility of oral cavity malignancy and that the antibody for rasP21 oncogene can be used as a marker for early detection of oral cavity malignancy caused by smoking.

Identifikasi epitop dari Streptococcus mutans terhadap sekretori Imunoglobulin A saliva (The identification of Streptococcus mutans epitopes to secretory Immunoglobulin A saliva) Anita Yuliati
Dental Journal (Majalah Kedokteran Gigi) Vol. 38 No. 3 (2005): September 2005
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

S. mutans is one of the etiology agent of dental caries, these bacteria have a surface protein of about 185 kDa named Ag I/II. The secretory of sIgA saliva to Ag I/II of S.mutans has shown to be able to prevent colonization in human oral cavity. Peptides derived from the 824 to 853 residues of the P region of antigen I/II S. mutans related to the pathogenesis of dental caries. The aim of this study was to identify the overlapping sequence of amino acids (epitope) derived from the 624 to 853 residues of P of antigen I/II S. mutans to sIgA saliva on caries and caries-free subject in a observational cross sectional study. The P region of antigen I/II S.mutans was cut into 22 peptides of 9 mer sequences with an overlapping of 8 mer and an offset of 1 mer, synthesized on polyethylene pins and tested for the reactivity with an ELISA indirect method to sIgA saliva on caries and caries-free subject. The results of this study showed that amino acid sequences with TPPVKP (832–837) and TAPTKPTY (838–845) were reactive to sIgA saliva on caries and caries-free subject. The conclusion of this study was that the overlapping common sequence of amino acid (epitopes) corresponding to TPPVKP (832–837) and TAPTKPTY (838–845) was identified as caries marker epitopes in human.

Simple replantation protocol to avoid ankylosis in teeth intended for orthodontic treatment Yuli Nugraeni; David Buntoro Kamadjaja; Haryono Utomo
Dental Journal (Majalah Kedokteran Gigi) Vol. 42 No. 1 (2009): March 2009
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Dento-alveolar trauma resulted from accidents involving the oral regions mostly affect the upper central incisors. Overjet that is beyond 5 mm and incompetent lip also contribute to increase the risk. Several literatures had already discussed different methods of replantation of avulsed teeth. However, it was not meant for further orthodontic treatment. Purpose: The objective of this review is to propose a simple replantation protocol of avulsed teeth which also prevent from ankylosis. Reviews: Protruded teeth usually need orthodontic treatment; therefore, an appropriate management should be done to avoid the development of ankylosis. Ankylosis of the periodontal ligament (PDL) becomes a problem in orthodontic tooth movement in repositioned or replanted teeth. In addition, ankylosed teeth also more susceptible to root resorption. Actually, it was caused by the endodontic treatment. In particular, severely protruded or unoccluded teeth are hypofunctional, therefore have narrow PDL, thus it may facilitate to ankylosis development. Ideal management protocol such as the use of root canal sealer i.e. mineral trioxide aggregate (MTA); the using of Emdogain, and resilient wiring or semi-rigid fixation with brackets has become a solution in avulsed teeth arranged for orthodontic treatment. Nevertheless, the presence of oral surgeon, endodontist and orthodontist in the same time, and also ideal preparations after an accident was difficult to achieve. Conclusion: Considering that reducing the ongoing PDL inflammation with intracanal medicaments and maintaining the functional force during mastication is possible; it is concluded that this simple replantation protocol is likely.

The role of partial denture in management of hypohidrotic ectodermal dysplasia Tania Saskianti; Seno Pradopo; Prawati Nuraini; Michael Josef Kridanto Kamadjaja
Dental Journal (Majalah Kedokteran Gigi) Vol. 41 No. 2 (2008): June 2008
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Ectodermal dysplasia is a rare hereditary disorder with a characteristic physiognomy. The ectodermal dysplasia constitutes a group of hereditary disorders whose clinical manifestation can be defects in ectodermal structures. The case of a 11-year-old child with hypohidrotic ectodermal dysplasia and partial anodontia is presented. Affected children require extensive dental treatment to restore appearance and help the development of a positive self image. Partial denture was provided to encourage a normal psychological development and to improve the function of the stomatognatic system. It is important for the patient and the dentist to understand that continued monitoring for dental problems is necessary. This paper had an objective to relate and discuss a case of hypohidrotic ectodermal dysplasia, with the approach of the influence of an esthetic rehabilitation and functional alternative in the improvement of the quality of life.

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Jawa timur

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Home Page

OAI Link

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Contact Name Saka Winias

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Contact Name
Saka Winias

Contact Email
saka.winias@gmail.com

Phone
-

Journal Mail Official
dental_journal@yahoo.com

Editorial Address
-

Location
Kota surabaya,

Jawa timur

INDONESIA