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Padjadjaran Journal of Dentistry

PJD
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Published by Universitas Padjadjaran

ISSN : 19790201 EISSN : 25496212 DOI : -

Biochemistry, Genetics & Molecular Biology Dentistry Health Professions Immunology & microbiology Medicine & Pharmacology Public Health

Padjadjaran Journal of Dentistry or known as PJD, is an English-language scientific periodicals published by the Faculty of Dentistry Universitas Padjadjaran thrice a year on every March, July and November. The submission process of manuscript is open throughout the year. All submitted manuscripts will go through the double-blind peer review and editorial review before being granted with acceptance for publication. Designed as a medium of information and scientific knowledge, Padjadjaran Journal of Dentistry publishes numerous research articles, in the area of Oral Biology, Dental Material Science and Technology, Oral and Maxillofacial Surgery, Pedodontics, Dental Public Health and Community Dentistry, Conservative Dentistry, Periodontics, Prosthodontics, Orthodontics, Oral Medicine, Dental Radiology, as well as with their development through interdisciplinary and multidisciplinary approach. Initially published as Padjadjaran Journal of Dentistry (PJD) magazine ISSN 1979-0201(print) on 2007 in form of printed issues. In 2017, the magazine had its online published version under the same with ISSN 2549-6212 (online) in accordance with the policy of LIPI. Padjadjaran Journal of Dentistry has been using Open Journal System requiring all writers to register in advance before they are allowed to upload the manuscript they write online. Afterwards, the editors, peer reviewers, and writers can monitor the manuscript processing. Several other changes are informed in the Journal History.

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Articles 11 Documents

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Search results for , issue "Vol 23, No 3 (2011): November 2011" : 11 Documents clear

Role of Streptococcus Anginosus on the formation of dental caries Nonong, Yetty Herdiyati; Satari, Mieke Hemiawati; Sasmita, Inne Suherna
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Universitas Padjadjaran

Generally, the etiology of dental caries is the cariogenic properties of bacteria, these are always associated with Streptococcus mutans. Glucosyltransferase fragment (Gtf) are also in other strains of Streptococcus such as Streptococcus anginosus, Streptococcus milleri which includes beta hemolysis. Genotypically B Streptococcus anginosus has genetic characteristics that are similar to Streptococcus mutans. The research objective was to determine the existence of Gtf B/C gene as a cause of caries in Streptococcus anginosus. The study was conducted in experimental laboratories with PCR technique by taking a sample of 20 children who had caries. The results showed there was the amplification of Streptococcus anginosus with a level of homology 96%, 97%, and 99%. The results of the Gtf genes amplification fragment B/C provided 600 pb ribbon. The conclusion was Streptococcus anginosus classified as cariogenic bacteria because they had Gtf B/C genes.

The effect of cocoa (Theobroma cacao L) on the basic color stability of thermoplastic nylon resin dentures Naini, Amiyatun
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Universitas Padjadjaran

Nylon thermoplastic resin is material of choice for the making of flexible. This denture do not use wire retention, but has the physical properties of water absorption. In the oral cavity, it will always be in contact with food and beverages consumed. One of the foods that are consumed by the public is chocolate. This study aimed to determine the effect of cocoa (Theobroma cacao L) on color stability of the thermoplastic nylon denture base. The study sample was thermoplastic nylon (valplast) with a size of 10x10x2 mm soaked in the chocolate solution for 7 and 14 days. As the control, the sample soaked with distilled water. The color testing stability used was densitometer. There were significant differences between the control group (distilled water) and the chocolate solution. This was due to dissolved components/tannin having a capillary flow diffusion into thermoplastic nylons that causing discoloration. The conclusion of this study, there was the effect of cocoa (Theobroma cacao L) against the color stability of the nylon thermoplastic denture base. The longer time of immersion of nylon thermoplastic the greater the change in color.

Stress distribution analysis of seat and non-seat preparation design for orden cast post using 2D finite element method Miranda, Aldilla; Subrata, Gantini; Hasratiningsih, Zulia; Dirgantara, Tatacipta
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Universitas Padjadjaran

The post is used to retain a core that supports the definitive restoration. One of the important factors in the prognosis of post-endodontic restoration system is the post space preparation design which effects to the distribution of stresses. The purpose of this study was to analyze the effect of post space preparation design at the cervical area of the root to the stress distribution on static loading using (two dimensions) finite element method. This was a numeric simulation study using two 2D digital models: seat and non-seat design of maxillary central incisors using commercial software of finite element. The procedures of pre-processing, solution, and post-processing were used to evaluate the distribution of internal stress caused by static loading 110 N which was applied at 135° angle with tooth longitudinal axis on the palatal surface of the core. Both models of restoration with cast post-core of Orden alloy were divided into 15,400 triangular elements. This study showed that the stress distribution from the loading location to the location of stress concentration and the value of maximum stress at cervical part of the root at non-seat design was lower than the seat design (seat design 3.69 times greater than non-seat). This study proved that non-seat design distributes stress better than seat design.

Dentist's knowledge in oral hygiene instructions to prevent gingivitis in the pregnant women Garna, Devi Firena; Amaliya, A.; Yubiliana, Gilang
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Universitas Padjadjaran

The relation between pregnancy and periodontal inflammation has been recognized for many years, therefore, it is important to maintain and promote oral health during pregnancy. The aim of this research is to evaluate dentist's knowledge in oral hygiene instructions in preventing gingivitis in the pregnant women. The research has conducted a survey of 40 general dentists in West Bandung District. The survey was done by distributing forms of the questionnaire sent by mail or by telephone interview, and by asking the dentists about their knowledge in oral hygiene instructions regarding the dental care for pregnant women. All of the respondents agreed that oral health during pregnancy was important and therefore it was important to give the Oral Hygiene Instructions (OHI) to the pregnant patients. Two-thirds of dentists (63.8%) agreed that to do scaling was safe, 36.2% of the respondents doubted if Chlorhexidine mouthwash was safe for the use in pregnant women. Almost half of the dentists (57.4%) were doubtful that there was a relationship between periodontitis and preterm birth or low weight birth rate. Dentists as one of the providers of prenatal health care already realized how important it is to keep oral health during pregnancy; however, they doubted if there was a relationship between periodontitis, pre-term birth and low weight birth rate and the safety of using chlorhexidine as an antimicrobial agent during the pregnancy. Providing up to date information and continuing education for dentist's knowledge in order to prevent gingivitis during pregnancy.

The effect of inhaling mercury (Hg) on the hepar cells and the role of green tea extract as antioxidant Dhona Afriza
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Faculty of Dentistry Universitas Padjadjaran

This research aimed to identify the effect of inhaling mercury on the hepar cells of white mice and the role of green tea extract as an antioxidant on such hepar cells having exposed to mercury histopathologically. It was an experimental research by using 48 male white mice (Mus musculus) as the sample. The sample was divided into 8 groups i.e.: A, B, C, and D, which were given treatment for 3 and 6 weeks. Each group consisted of 6 mice. A group was a negative control which did not get any treatment. Group B as a positive control group was exposed to mercury. Group C was exposed to mercury and was given green tea extract at dosage 0.52 mg/20 gr of body weight. Group D was exposed by mercury and was given green tea extract at dosage 1.04 mg/ 20 gr of body weight. All white mice in the group B, C, and D were exposed to mercury through inhalation for 4 hours daily. To identified the effect of mercury, the hepar cells in all 4 groups were examined at the 3rd and 6th week by making histopathologic preparation in the Histopathology Laboratory Faculty of Medicine Universitas Andalas. Then, the preparation was examined through Binocular Light Microscope in ordered to see the deficient occurred. The data obtained were analyzed by ANOVA method and independent T-test with confidence level = 95%. It was revealed that the hepar cells that were being exposed to mercury regularly were being degenerates. Then, the amount of green tea extract given reduces the degeneration occurred.

The effect of subgingival irrigation of Gambir (Uncaria gambir [Hunter] Roxb) catechin to the number of Actinobacillus Actinomycetemcomitans in the gingival sulcus of periodontitis mice Lestari, Citra
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Universitas Padjadjaran

Periodontitis is one of periodontal disease that the main cause is bacteria, especially Actinobacillus actinomycetemcomitans (AA). One of the treatments for these conditions can be done with subgingival irrigation using Gambir catechin (Uncaria gambir [Hunter] Roxb). Catechins are polyphenolic compounds and have antibacterial effects. Based on its advantages, a cathecin effect may decrease the amount of AA in periodontitis and help the healing. The aim of this study was to know the effect of subgingival irrigation of the Gambir catechin to the amount of AA in periodontitis mice. Twelve mice, 3 months age, 200-250 gr in weight, with the anterior gingival sling with yarn was made for periodontitis condition. The mice were divided into four groups treatment: Treatment with aquadest, Gambir catechin I, Gambir catechin II, and chlorhexidine 0.2%. Subgingival irrigation performed after visible signs of periodontitis with 2 times daily for seven days. AA retrieval was done using paper points inserted in the gingival sulcus and grown in BHI agar with bacitracin 5 units/ml (modification). The number of AA was then counting with colony counters. Study result showed a significant difference (p <0.05) between aquadest treatment group with Gambir catechin I, Gambir catechin II, and chlorhexidine 0.2%. But there was no significant difference between Gambir catechin I and II. The conclusion of this study indicated that subgingival irrigation of Gambir catechin I and II could decrease the amount of AA but there was no statistical difference between the two groups. This means that Gambir catechin in solutions and effervescent didn't affect the activity of a substance in it. It was shown that catechins can be used as an alternative to the condition of periodontitis.

Influence test of Averrhoa Bilimbi leaf extract as denture cleanser on the growth of Streptococcus Mutans Dewi Kristiana; Depi Praharani
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Faculty of Dentistry Universitas Padjadjaran

It has been believed for a long time, especially by Indonesian people, that Averrhoa Bilimbi leaves have medical efficacy. Streptococcus mutans (S. mutans) are bacteria mostly found in plaque. The plaque on denture may cause inflammation in a mucosal tissue under the denture namely denture stomatitis. This study was aimed at observing the differences of Averrhoa Bilimbi leaf extract efficacy as denture cleanser in a concentration of 4%, 8%, 16% for 15 minutes, 30 minutes, 1 hour, dan 8 hours on the growth of S. mutans. The samples were made from heat-cured resin acrylic plates with the dimension of 10x10x1 mm. Heat-cured resin acrylic plates were immersed in Averrhoa Bilimbi leaf extract with the concentration of 4%, 8%, 16% for 15 minutes, 30 minutes, 1 hour, dan 8 hours which each concentration contained 8 samples, and heat-cured resin acrylic plate was immersed in the aquades as the control. To observe the inhibiting force of Averrhoa Bilimbi leaf extract on the growth of S. mutans, it was tested using the spectrometer. The data were analyzed using one-way ANOVA. The result showed that there were significant differences (p< 05). Then the data were analyzed using LSD test and it showed that there were significant differences on heat-cured resin acrylic plates immersed in Averrhoa Bilimbi leaf extract with the concentration of 4%, 8%, 16% for 15 minutes, 30 minutes, 1 hour, dan 8 hours on the growth of S. mutans. In conclusion, Averrhoa Bilimbi leaf extract in the concentration of 16% used to immerse the acrylic plate for 8 hours effectively inhibited the growth of S. mutans.

The effect of ethanol extract of mangostene (Garcinia Mangostana Linn.) peel on tongue cancer cells Supri's Clone-1 apoptosis, in vitro Titiana, Maria Aurora; Oewen, Roosje Rosita; Satari, Mieke Hemiawati
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Universitas Padjadjaran

Apoptosis or programmed cell death serves to regulate physiological and pathological conditions. Garcinia mangostana Linn. is one of the medical herbs that is widely used to suppress human tongue cancer growth by inducing apoptosis. The research aimed to analyze the effect of ethanol extract of Garcinia mangostana Linn. on tongue cancer cells apoptosis Supri's Clone-1 (SP-C1). The type of the research was an experimental laboratory. Tongue cancer cells SP-C1 were treated by various ethanol extract concentrations (0, 300, 400, 500, 600, 700 pg/ml) of Garcinia mangostana Linn. to detect the apoptosis, which was done by acridine orange and ethidium bromide coloring tests. The number of tongue cancer cells SP-C1 2x104 cells/dish. Observation on cells apoptosis was observed by a fluorescent microscope with 40 x magnification. The data were analyzed using one-way ANOVA and was followed by Post Hoc test (Tukey-test) with 95% significance level. The result showed that tongue cancer cells SP-C1 apoptosis treated by various ethanol extracts of Garcinia mangostana Linn. increase significantly. The highest effect of apoptosis was detected at the 700 pg/ml concentration that has an effect on the percentage of tongue cancer cells apoptosis by 65%.

Denture adhesive antifungal potency towards the growth of Candida Albicans Dewi, Siti Utami; Sumarsongko, Taufik; Dewi, Warta
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Universitas Padjadjaran

Denture adhesive is a device that applied to the base of a denture before the denture is inserted into the mouth. The device used to improve denture retention and stabilization. It was thought that added antifungal agent to denture adhesive might be an effective way to inhibit the growth of Candida albicans and prevent denture stomatitis.The study was performed as an experimental laboratory study by an observed antifungal test of denture adhesive against Candida albicans growth using Kirby Bauer diffusion agar method with 5 samples and 3-time repetitions. The conclusion of this study was that the antifungal agent in denture adhesive containing poly (methylvinylether/maleic acid), sodium-calcium mixed partial salt and propyl hydroxybenzoate and denture adhesive containing sodium carboxymethylcellulose couldn't inhibit the growth of Candida albicans.

The difference of 17% ethylenediaminetetraacetic acid irrigation material contact time of 60 seconds and 30 seconds toward of cleanliness of apical third root canal wall Wijaya, Yunita; Natasasmita, Setiawan; Sukartini, Endang
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November 2011
Publisher : Universitas Padjadjaran

Root canal preparation is one important step in endodontic treatment, involves the cleaning and the shaping of the root canal debris. Root canal cleaning effectiveness depends on the preparation bio-mechanical and irrigation. Purpose of this study was to evaluate the cleanliness of apical third of root canal wall from of debris, with the contact time of 17% EDTA irrigation material for 60 seconds and 30 seconds after root canal preparation using rotary NiTi instruments. This quasi-experimental study was carried out invitro, with random sampling technique. The sample used was 20 central maxillary incisors that have been extracted and divided into two experimental groups of 10 teeth each. The results were analyzed using student t statistics, showed that the average value of the debris of the two groups differed significantly. The contact time of 60 seconds of 17% EDTA showed cleaner root canal than the 30 seconds. The conclusion of this study was there were the differences of the cleanliness of apical third of the root canal with the 60 seconds contact time of 17% EDTA irrigation materials than 30 seconds contact time.

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