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All Journal Padjadjaran Journal of Dentistry

Setiawan Natasasmita

Universitas Padjadjaran

Author-ID : 329027

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

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Articles

The difference of surface coarseness of high-copper amalgam restoration material before and after 38% hydrogen peroxide application by in vitro in-office bleaching technique Gustina, Nurmala; Natasasmita, Setiawan; Aripin, Dudi
Padjadjaran Journal of Dentistry Vol 19, No 2 (2007): July
Publisher : Faculty of Dentistry Universitas Padjadjaran, Indonesia

Hydrogen peroxide is an effective agent to take off tooth colouring. This bleaching agent can cause microstructural change on amalgam restoration surfaces. The aim of this research is to know the difference of surface roughness of high-copper amalgam restoration materials before and after 38% hydrogen peroxide application by in-office bleaching technique. The sample was used consist of ten specimens of high-copper amalgam restorations which was applied by hydrogen peroxide 38%. The surface roughness was measured by the surface tester (Surtronic 3P). The result of this research was reached by t-test paired calculation is the differences of surface roughness of amalgam restorations before and after first 15 minutes either second 15 minutes hydrogen peroxide 38% application didnât show significant differences. The conclusion of this research is no statistically significant difference of surface roughness of high-copper amalgam restoration materials before and after 38% hydrogen peroxide application by in-office bleaching technique.

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
Publisher : Faculty of Dentistry Universitas Padjadjaran, Indonesia

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.

The differences of tooth density changes in the applications of 45% carbamide peroxide PF and 38% hydrogen peroxide PF as dental bleaching agents and after the application of 1.2% acidulated phosphoric fluoride Jurnalis, Devriza; Natasasmita, Setiawan; Sukartini, Endang
Padjadjaran Journal of Dentistry Vol 22, No 1 (2010): March
Publisher : Faculty of Dentistry Universitas Padjadjaran, Indonesia

The changes of tooth density is caused by the dissolutions of mineral enamel (demineralization) by bleaching agent. The purpose of this research was intended to know tooth density changes after the application of bleaching agent using 45% carbamide peroxide potassium fluoride (PF) and 38% hydrogen peroxide potassium fluoride (PF) and after the application of 1.2% acidulated phosphoric fluoride (APF).This research was true experimental in-vitro. Sample taking was by random sampling. The sample consisted of 32 maxillary central incisive permanent teeth. The tooth density was measured using RVG (Radiovisiography). The research results were analyzed and tested in a pair and in a pair of two sample for means using t student method. The conclusion of the research was a decrease of tooth density after the application of bleaching agent with 45% carbamide peroxide PF and 38% hydrogen peroxide PF with statistically significant. After the application of 1.2% APF the density increased significantly but the density was lower than original density. There was no significant difference between bleached with 45% carbamide peroxide potassium fluoride and 38% hydrogen peroxide potassium fluoride.

Compressive strength differences between hybrid composites using post curing light box with LED and dry heating, in vitro Krisnawaty, Jenny; Natasasmita, Setiawan; Aripin, Dudi
Padjadjaran Journal of Dentistry Vol 23, No 3 (2011): November
Publisher : Faculty of Dentistry Universitas Padjadjaran, Indonesia

A hybrid type of composite resins is used as dental restorative materials in a wide cavity directly or indirectly. The mechanical properties of the composite resin would increase post-curing. The purpose of this study was to determine the differences between the compressive strength of hybrid type composite resin post-curing using LED light box and dry heating. This type of research was a quasi-experimental in vitro with the sample size of 30 samples which were divided into two groups. Each sample was tested using a Universal Testing Machine (Lloyd) at a speed of 1 mm/minute to test the compressive strength. Compressive strength values were recorded when the sample broke. The average value of compressive strength of the two treatment groups was statistically calculated using t-test. The results, of this study, showed that a hybrid composite resin with post curing using a light box with LED was at 194.138 Mpa which was lower than using the dry heat of 227.339 Mpa. It showed the statistically significant difference. The conclusion of this study was that the compressive strength of post-cured hybrid composites using a light box with LED was significantly lower than the post-curing using dry heat.

Antibacterial activity of Zingiber officinale roscoe extract as a potential root canal irrigation solution against Enterococcus faecalis Azhar, Rodiyah; Julianti, Elin; Natasasmita, Setiawan; Dharsono, Hendra Dian Adhita
Padjadjaran Journal of Dentistry Vol 30, No 2 (2018): July
Publisher : Faculty of Dentistry Universitas Padjadjaran, Indonesia

Introduction: This study was aimed to determine and formulate antibacterial activity of Zingiber Officinale Roscoe (Z. officinale) extract against Enterococcus faecalis (E. faecalis) as a potential irrigating solution which is easily available and cost-effective. Methods: Â Extract of Z. officinale Roscoe was yielded through soxhlet technique. Samples divided into two groups, i.e., the extract of Z. officinale Roscoe and chlorhexidine 2% as a control. The antimicrobial activity was observed using the diffuse agar method. Minimum inhibitory concentration (MIC) was determined by serial microdilution method, and minimum bactericidal concentration (MBC) was determined by cultured samples in blood agar. Data were analysed using ANOVA and Kruskal-Wallis test. Results: Extract of Zingiber officinale Roscoe has antimicrobial activity against E. faecalis with the MBC of 15.625 mg/mL. (p<0,05). Conclusion: Extract of Zingiber officinale Roscoe have shown antibacterial activity againstÂ E. faecalis and can be further developed as a potential root canal irrigation solution.

Antibacterial activity of Zingiber officinale roscoe extract as a potential root canal irrigation solution against Enterococcus faecalis Azhar, Rodiyah; Julianti, Elin; Natasasmita, Setiawan; Dharsono, Hendra Dian Adhita
Padjadjaran Journal of Dentistry Vol 30, No 2 (2018): July 2018
Publisher : Faculty of Dentistry Universitas Padjadjaran

Introduction: This study was aimed to determine and formulate antibacterial activity of Zingiber Officinale Roscoe (Z. officinale) extract against Enterococcus faecalis (E. faecalis) as a potential irrigating solution which is easily available and cost-effective. Methods: Extract of Z. officinale Roscoe was yielded through soxhlet technique. Samples divided into two groups, i.e., the extract of Z. officinale Roscoe and chlorhexidine 2% as a control. The antimicrobial activity was observed using the diffuse agar method. Minimum inhibitory concentration (MIC) was determined by serial microdilution method, and minimum bactericidal concentration (MBC) was determined by cultured samples in blood agar. Data were analysed using ANOVA and Kruskal-Wallis test. Results: Extract of Zingiber officinale Roscoe has antimicrobial activity against E. faecalis with the MBC of 15.625 mg/mL. (p<0,05). Conclusion: Extract of Zingiber officinale Roscoe have shown antibacterial activity against E. faecalis and can be further developed as a potential root canal irrigation solution.

Co-Authors Azhar, Rodiyah Azhar, Rodiyah Devriza Jurnalis, Devriza Dharsono, Hendra Dian Adhita Dharsono, Hendra Dian Adhita Dudi Aripin Endang Sukartini, Endang Jenny Krisnawaty, Jenny Julianti, Elin Julianti, Elin Nurmala Gustina, Nurmala YUNITA WIJAYA

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