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Christine A. Rovani
Department of Conservative Dentistry, Faculty of Dentistry, Hasanuddin University Makassar Indonesia
Dentistry

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Apical microleakage of epoxy resin and methacrylate resin-based sealer with continuous wave obturation technique Haslinda Haslinda; Christine A. Rovani; Aries C. Trilaksana
Journal of Dentomaxillofacial Science Vol. 1 No. 1 (2016): (Available online: 1 April 2016)
Publisher : DiscoverSys Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15562/jdmfs.v1i1.19

Abstract

The aim of this research was to determine the microleakage apical sealer based on epoxy resin and methacrylate resin with continuous wave obturation technique.Thirty  permanent  lateral incisors were selected at random and  divided into 3 groups (N=10), namely AH Plus obturator group (epoxy resin), EndoREZ group (methacrylate resin), and negative control. The samples were decoronated, root canal preparation, then kept in incubator of 37°C for 72 hours. Sample were coated with nail varnish then immersed in methylene blue for 48 hours. The samples were washed with distilled water, dried and nail varnish removed. The samples were clearing. Penetration was measured using microscope and given score 0-4. Measurements were analyzed statistically. By using Kruskal Wallis test and Mann Whitney test, there is no significant difference between the apical microleakage of the the epoxy resin root canal sealer with methacrylate root canal sealer based (p>0,05). It means that the apical microleakage of the epoxy resin root canal sealer based comparable with merhacrylate root canal sealer based. It was concluded that the apical microleakage of epoxy resin based sealer does not different to the methacrylate resin based sealer
Assessment of apical microleakage using tooth clearing method between two softened core obturation techniques Nadia S. Wongsari; Christine A. Rovani; Aries C. Trilaksana
Journal of Dentomaxillofacial Science Vol. 1 No. 1 (2016): (Available online: 1 April 2016)
Publisher : DiscoverSys Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15562/jdmfs.v1i1.23

Abstract

This study aimed to compare apical microleakage using tooth clearing method between two softened core obturation techniques which are carrier based gutta percha and continuous wave. Samples are maxillary first incisors, with a single root canal. They are devided into three groups of 9 each randomly. The first group is carrier based gutta percha, the second is continuous wave, and the third is lateral condensation as positive control. The teeth were decoronated at the cementoenamel junction, prepared with crown down pressureless technique, and obturated according their group.  All the samples were coated with nail polish except for 2 mm from the apical, and then placed in China Ink for 7 days. After that, the polish were removed and the samples undergone tooth clearing procedure. When the samples had been transparant, they were observed using microscop. Data were collected and analyzed using Anova and Tukey’s post hoc test. The study showed that mean of apical microleakage from continuous wave technique (0.256+0.133) is less than from carrier based gutta percha (0.433+0.173). As the conclusion, there is a significant diffrence (p:0.034) of apical microleakage between continuous wave and carrier based gutta percha (p<0.05).
Microhardness characteristics values of root canal dentin after application with different types of EDTA Wahyuniwati Wahyuniwati; Juni J. Nugroho; Aries C. Trilaksana; Christine A. Rovani; Nurhayaty Natsir; Indrya K. Mattulada
Journal of Dentomaxillofacial Science Vol. 1 No. 1 (2016): (Available online: 1 April 2016)
Publisher : DiscoverSys Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15562/jdmfs.v1i1.25

Abstract

This study aims to determine the characteristics of the microhardness impairment root canal dentin after application with different types of EDTA. Samples mandibular premolar teeth with one root canal, each divided into 4 groups: EDTA solution, EDTA gel, EDTA cream and negative control; and each group consisted of 6 samples. The teeth were decoronated  at cementoenamel junction (CEJ),  prepared by the crown down pressureless technique, cut along  longitudinal direction, and  each sample was attached  to selfcured acrylic and then soaked in distilled water. Samples were taken early microhardness measurement by means of Digital Vickers Microhardness Tester. The sample is then applied to the appropriate group of materials EDTA for 5 minutes, except for the negative control group, soaked in saline solution for 5 menit, then performed the final measurement of microhardness of dentin. The results of measurements taken from  the average value of measurements made at 3 points, coronal, middle and apical. Data were collected and analyzed using ANOVA and Tukey’s Post Hoc test.The results showed there are differences in dentin microhardness decrease significantly in all treatment groups compared to the negative control group (p <0.05) with the largest drop in the group EDTA solution, amounting to 13 667 kg / mm2. Nevertheless, based on the results of different statistical test further, discovered the value of p> 0.05 which means there is no difference in microhardness reduction in dentin significantly among the test group.
Co-Authors Aries C. Trilaksana Haslinda Haslinda Indrya K. Mattulada Juni J. Nugroho Nadia S. Wongsari Nurhayaty Natsir Wahyuniwati Wahyuniwati