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Keasaman minuman ringan menurunkan kekerasan permukaan gigi (Acidity of soft drink decrease the surface hardness of tooth) Edhie Arif Prasetyo
Dental Journal (Majalah Kedokteran Gigi) Vol. 38 No. 2 (2005): June 2005
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Acidity can bring about tooth erosion. A laboratory experiment about soft drink acidity to the hardness of tooth surface was done. The purpose of the study was to investigate the surface hardness of the tooth surface after immersion in some kinds of soft drinks. Thirty maxillary premolars were randomly divided into three groups. The first group was immersed in aqua, pH 7.6, the second group in the tea, pH 6,7 and the last group in Cola pH 2,5 for 30, 60 and 120 minutes. The surface hardness measurement was done before and after immersion using micro Vickers hardness tester. The achieved data were analyzed using ANOVA followed by HSD. It was concluded that the immersion in soft drink for 120 minutes could decrease the surface hardness of tooth.

PREVALENSI KARIES GIGI POSTERIOR BERDASARKAN KEDALAMAN, USIA DAN JENIS KELAMIN DI RSGM FKG UNAIR TAHUN 2014 (Prevalence of Posterior Teeth Caries by The Depth of Cavity, Age and Gender at RSGM FKG UNAIR in 2014) Amelia Kristanti Rahardjo Rahardjo; Ira Widjiastuti; Edhie Arif Prasetyo
Conservative Dentistry Journal Vol. 6 No. 2 (2016): July - December
Publisher : Universitas Airlangga

Background. Dental caries is one of the most prevalent chronic disease of people worldwide, and also Indonesia. Based on Indonesian Basic Research from Health Department, prevalence of dental caries in Indonesia was 90.5%. When dental caries rates are reported by gender, female are found to exhibit higher prevalence rates than male. Dental caries is disease of lifetime because it can spread out more throughout life and will continue until the teeth are destroyed without a proper treatment. Purpose. The aim of this study is to analyze the prevalence of posterior teeth caries by the depth of cavity, age, and gender at RSGM FKG UNAIR. Method. Analytic observational study with cross-sectional and stratified random sampling method. Result. Out of 420 patients with teeth caries, 169 male patients (40.2 %) and 251 female patients (59.8 %). The highest prevalence is deep caries (59.76%) and the lowest prevalence is superficial caries (15.95%). Conclusion. It was concluded that there is correlation between the depth of cavity increase by age and female has higher caries prevalence than male but no significance differences between cavity depth and gender.

Perbedaan Efektivitas Daya Antibakteri Ekstrak Daun Mimba (Azadirachta Indica A. Juss) Dibanding NaOCl 2,5% Terhadap Enterococcus Faecalis (The Difference of Antibacterial Effectiveness of Neem Leaf Extract (Azadirachta Indica A. Juss) Than NaOCl 2,5% Against Enterococcus Faecalis) Setian Fitri Sayekti; Agus Subiwahyudi; Edhie Arif Prasetyo
Conservative Dentistry Journal Vol. 6 No. 2 (2016): July - December
Publisher : Universitas Airlangga

Background. Enterococcus faecalis is often found in persistent endodontic infection. Its high prevalence, about 24-77%, is due to resistance and virulence of these bacteria. NaOCl is commonly use as irrigation material, but it has toxicity effect and can irritate periapical tissues. Therefore, some studies to find natural materials that have antibacterial properties as an alternative root canal medicament need to be done. Neem (Azadirachta Indica A. Juss), also known as wonder tree for centuries has antibacterial properties, proven in the preliminary study which has been done that the MIC (Minimum Inhibitory Concentration) is 65% and MBC (Minimum Bactericidal Concentration) is 70%. Purpose. The aim of this study was to compare the effectiveness of antibacterial activity of the Neem leaf extract (Azadirachta Indica A. Juss) than NaOCl 2,5% against Enterococcus faecalis. Methods. This study is an experimental labolatory with post test only control group design usingEnterococcus faecalis ATCC 29212. Agar diffusion test was used to check the antimicrobial activity of 65% Neem leaf ectract, 70% Neem leaf ectract and NaOCl 2,5% by measuring the inhibition zone diameter of each treatment.Result. Diameter of bacterial inhibition zone formed Neem leaf extract is greater than NaOCl 2,5%. Conclusion. The antibacterial activity of Neem extract is greater than NaOCl 2,5% against Enterococcus faecalis.

Hubungan Sikap Kesehatan Gigi dan Mulut Penderita Terhadap Kepatuhan dalam Menjalani Perawatan Berulang Rizkina Hendani; Edhie Arif Prasetyo; Galih Sampoerno
Conservative Dentistry Journal Vol. 7 No. 1 (2017): January - June
Publisher : Universitas Airlangga

Background: Caries is the world's number one chronic disease and the prevalence increases in modern times. But most people ignore it and choice dental care only when it feels pain. It will worsen the condition of the tooth until require multivisit treatments. The number of visits required for multivisit treatments results incomplete treatment due to patient’s non-obedience. One of the factors that affect obedience is attitude. One's attitude towards something will determine someone's behavior towards the same thing. Purpose: To determine the relationship of patient’s dental and oral health attitude towards patient’s obedience during multivisit treatment. Method: Analytical observational research with cross-sectional study conducted on 30 patients who came to RSGMP UPF Conservative Dentistry FKG UNAIR Surabaya period September-November 2011. The data about the attitude is obtained from questionnaire, while collecting cards of patient’s status and direct interviews of the operators conducted to obtain data about patient’s obedience. Result: Based on the results of Spearman Correlation with α=0,05 obtained p-value=0,364 (p>0,05). It suggests that there is no significant relationship between patient’s dental and oral health attitude towards patient’s obedience during multivisit treatment. In addition, test results of the relationship between unexamined variables with obedience obtained p-value=0,010 (motivation), p=0,017 (desire), p=0,004 (perception), and p=0,009 (financing). This suggests that there is a significant relationship between motivation, desires, perceptions, and financing with obedience. Conclusion: There is no relationship between patient’s dental and oral health attitude towards patient’s obedience during multivisit treatment. However, other factors found associated, namely motivation, desires, perceptions, and financing.

Perbedaan lama perendaman air perasan jeruk nipis (Citrus aurantifolia Swingle) terhadap kekasaran permukaan resin komposit nanohybrid Faustina Angela Tandrayuana; Edhie Arif Prasetyo; S. Angela Setyabudi
Conservative Dentistry Journal Vol. 7 No. 1 (2017): January - June
Publisher : Universitas Airlangga

Background: Nanohybrid Composite is a composite that is often used in dentistry because it has advantages in physical, mechanical and esthetic properties. One of the mechanical properties which can be an indicator of the resilience of restorative material is surface roughness. One of the factors that affect the surface roughness is acidic drink consumption habits. Fruit that easily processed into fresh juice and widely consumed as beverage is lime. Lime has a sour taste because it has main content of citric acid. Purpose: The aim of this study was to determine the effect of prolonged lime juice consumption to the roughness of nanohybrid composite surface. Methods: 24 composite nanohybrid samples sized 5x2 mm divided into 4 groups. The control group was immersed in sterile water, the treatment group was immersed in lime juice for 2.5 hours, 15 hours and 30 hours. Before and after immersion, all samples were tested using a Surface Roughness Tester. Data were tested statistically. Results: Kruskal Wallis Test and Tukey HSD showed significant changes in surface roughness after being immersed in lime juice. Group of 30 hours immersion obtained the greatest increase in surface roughness. Conclusion: The 30 hours immersed composite group has rougher surface than 15 hours. The 15 hours immersed composite group has rougher surface than 2,5 hours

EKSPRESI TNF-α DAN CALCINEURIN PADA ASIMTOMATIS APIKAL PERIODONTITIS AKIBAT INDUKSI Enterococcus faecalis Randy Carlos Sietho; Mandojo Rukmo; Edhie Arif Prasetyo; Tamara Yuanita
Conservative Dentistry Journal Vol. 7 No. 2 (2017): July - December
Publisher : Universitas Airlangga

Background. Gram positive bacteria strain are the major cause of endodontic failure as asymptomatic apical periodontitis. One of the dominant group of bacteria is Enterococcus faecalis that still persistent in root canal system post endodontic therapy procedures. This bacteria has lipoteichoic acid on its membrane that can cause induction of cytokines expression such as Tumor Necrosing Factor-α (TNF-α) and Calcineurin Purpose. This experiment to demonstrated asymptomatic apical periodontitis that induced with Enteroccus faecalis produce raising amount of TNF-α and Calcineurin expression cells in pericapical tissue of wistar rat. Method. The upper right molar teeth of the rat was drilled until perforation then exposed by BHIB 10µl (control positive group), E.faecalis 106 CFU in BHIB 10µl (experimental group) and without drilling (control negative group) then observed until 21th days and counting the amount of TNF-α and Calcineurin expression cells. Conclusion.The results show that asymtomatic apical periodontitis that was induced E.faecalis produce increasing amount of TNF-α and Calcineurin expression cells in periapical tissue wistar rat.

Kekuatan Perlekatan Tarik Komposit Resin Pada Permukaan Enamel Dengan dan Tanpa Perlakuan Fluor Edhie Arif Prasetyo; Cecilia G.J. Lunardhi; Arif Setiawan
Conservative Dentistry Journal Vol. 8 No. 2 (2018): July - December
Publisher : Universitas Airlangga

Background: Several studies showed that treatment of fluoride in enamel has an important role in the prevention of caries in patients with a history of high risk caries. Enamel are often exposed to fluoride forms a new bond (fluoroapatite) which is stable and difficult to dissolve in acidic conditions. And it affects in the adhesion strength of a composite restorative materials. Objective: To prove the difference tensile strength attachment surface tooth enamel with fluoride treatment and no fluoride treatment. Materials and Methods: 14 samples of bovine teeth were divided into two groups, each group consisting of 7 samples. After preparation, sample immersed in artificial saliva with pH 4.6 for three hours. Group I sample with fluoride treatment, group II sample without fluoride treatment, both groups then immersed in artificial saliva with pH 7 for 14 days. Then samples were inserted into plunger and withdrawn with the autograph engine. Data were analyzed using Independent t-test (p <0.05). Results: Treatment of fluoride that generates a new bond (fluoroapatite) that is resistant to acidic conditions. This led to reducing of enamel dissolution by acid etching so that decrease the porosity ofenamel that causes the attachment strength of the composite againts enamel is reduced. Conclusions: The strength of the composite tensile adhesion to enamel with fluoride treatment is lower than the enamel without fluoride treatments. Keywords: Enamel, fluoride, high risk caries, tensile strength, composite

EFFICACY OF DIODE LASSER 405 NM WITH CHLOROPHYLLS AS PHOTOSENSITIZER ON Enterococcus faecalis Sri Kunarti; Amellia Tjandra; Edhie Arif Prasetyo
Conservative Dentistry Journal Vol. 8 No. 2 (2018): July - December
Publisher : Universitas Airlangga

Background: The presence of persistent infections in the root canals by microorganisms causes root canal failure. The most commonly found bacteria that cause persistent infection is Enterococcus faecalis. PDI / photodynamic inactivation is an in vitro approach to inactivation of microorganisms. The combination of light and photosensitivity of chlorophyll in PDI will cause photoinactivation in bacteria. Long radiation of PDT can affect the production of singlet oxygen and ROS (Reactive Oxygen Species) to kill Enterococcus faecalis bacteria. Objective: To prove the effect of 405 nm laser diode with and without chlorophyll photosensitizer and the irradiation effect of 405 nm laser diode on the number of CFU of Enterococcus faecalis bacteria. Method: This study used the Enterococcus faecalis bacteria cultur which was divided into 5 groups. Group I as control group, Group II irradiation 30 ', III chlorophyll + irradiation 30', IV irradiation 60 ', V chlorophyll + irradiation 60'. After incubation, the bacteria count was calculated with Quebec Colony Counter and analyzed by Shapiro-Wilk test, Levene test and Anova test. Results: There were significant differences (p <0.05) between the number of colonies of Enterococcus faecalis bacteria in each treatment group. Longer duration of PDT exposure (Group II and IV) with chlorophyll showed less number of Enterococcus faecalis bacteria. Conclusion: The longer the PDT irradiation, the less number of Enterococcus faecalis bacteria. The 60-second radiation with chlorophyll showed the least amount of Enterococcus faecalis bacteria.

The effect of glycerin on the surface hardness and roughness of nanofill composite Diana Zakiyah; Ruslan Effendy; Edhie Arif Prasetyo
Conservative Dentistry Journal Vol. 8 No. 2 (2018): July - December
Publisher : Universitas Airlangga

Background: Present research studied the surface hardness and roughness dependence on polymerization. Polymerization of composites occurs through chain reaction that is induced by free radicals. Oxygen in the air decreases the excitability of the photo initiator, causing polymerization interference. Oxygen inhibition layer (OIL) is formed on the surface. OIL can be reduced by curing the composite through by application of glycerin to the surface. Purpose: To determine the effect of glycerin on the surface hardness and roughness of nanofill composite. Material and Methods: 64 specimens of composite (Z350 XT, 3M) were prepared using a disc-shaped acrylic. The groups were divided into group A surface hardness (N=32) and group B surface roughness (N=32). Group A1, the specimen was coated with glycerin and light cured for 20 s and group A2, the specimen was exposed to air and light cured for 20 s. Group B1 was coated with glycerin and light cured for 20 s and Group B2 was exposed to air and light cured for 20 s. The specimens were stored in distilled water for 24 h at 370. Measuring with Vickers and surface roughness tester and. Data were statistically analyzed using Mean-whitney U Test. Results: There were statiscally significant difference between the surface hardness and roughness of nanofill composite coated with glycerin and without glycerin (p<0,05) Conclusion: The surface hardness of nanofill composite resin coated with glycerin is higher than composite without glycerin and the surface roughness of nanofill composite resin coated with glycerin is lower than composite without glycerin

The Difference Of Antibacterial Power Between Cocoa Peel (Theobroma cacao L.) Extract 6,25% and Chlorhexidine 0,2% Againts Streptococcus sanguinis Nila Murni Wulandari; Edhie Arif Prasetyo; Agus Subiwahjudi; Tamara Yuanita
Conservative Dentistry Journal Vol. 9 No. 1 (2019): January - June
Publisher : Universitas Airlangga

Background: Streptococcus sanguinis is a bacterium that can cause failures in root canal treatments due its ability to penetrate the dentinal tubules to a depth of 400 μm in just two weeks. Irrigation material is needed to stop the growth of this bacteria so that no bacteria can pass through by using chemicals, irrigation materials that are widely used such as Chlorhexidine 0,2% but still lack because it cannot be used as a single irrigation solution because its effectiveness will be reduced if it is related to protein and organic dentine matrix and low Ph saliva.Therefore, research is needed to find natural ingredient that can be an alternative such as Cocoa peel extract was chosen because it contains active compounds, in the form of saponins, tanins, alkaloids, flavonoids, and terpenoids that have been known to have antibacterial properties a concentration of 6,25% is used in accordance with the MKC of Streptococcus sanguinis. Aim: To compare the antibacterial power between cocoa peel extract (Theobroma cacao L.) 6,25% and Chlorhexidine 0,2% against Streptococcus sanguinis Method: This research is an experimental laboratory with a post-test only control group design. The diffusion method was used to determine the susceptibility of bacteria isolated from the material by planting the culture of Streptococcus sanguinis on the agar medium by swabbing the nutrient media which has been divided into 3 parts consisting of negative control, cocoa peel extract and Chlorhexidine, then each nurient media so that it is given a paper disk and 0.01ml liquid on each section. The diameter of the inhibition zone was observed after 2x24 hours using the calipers. Results: The average inhibitory zone that was formed using cocoa peel extract was 20,40 mm against Streptococcus sanguinis and Chlorhexidine was 18,36 against Streptococcus sanguinis. Conclusion: Cocoa peel extract (Theobroma cacao L.) 6,25% had higher anti-bacterial power compared to 0,2% Chlorhexidine against the growth of Streptococcus sanguinis.

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