PENGARUH PENGGUNAAN LARUTAN SODIUM KLORIDA 0,9%, ALKOHOL 96%, DAN AIR DESTILASI SEBAGAI BAHAN INTERMEDIATE FLUSHES SALURAN AKAR TERHADAP KEBOCORAN APIKAL OBTURASI SALURAN AKAR

In root canal treatment combination of several irrigation is using to get the best result of root canal treatment. NaOCl combined with CHX produces orangebrown precipitate called parachloroaniline. The purpose of this study was to determine the effect of the use of sodium chloride 0.9%, alcohol 96%, and distilled water as an intermediate flushes of apical leakage on root canal obturation. This study using 20 premolars which were prepared and randomly divided into four groups, each group consisting of five teeth. Group I was irrigated using 17% EDTA, 2.5% NaOCl and 2% CHX. Group II was irrigated using 17% EDTA, 2.5% NaOCl, 96% alcohol and 2% CHX. Group III was irrigated using 17% EDTA, 2.5% NaOCl, sodium chloride 0.9%, and 2% CHX. Group IV was irrigated using 17% EDTA, 2.5% NaOCl, distilled water, and 2% CHX. Irrigation solution and intermediate flushes are used as much as 2.5 ml, followed by sealer application (AH plus). Obturation using vertical condensation techniques (warm gutta-percha). Furthermore, the tooth root surface is coated with a layer of sticky wax and two coats of nail polish except the apical. The study subjects were stored in an incubator at 37 ° C for 48 hours, and immersed in a solution of 2% methylene blue for 24 hours. Teeth were sectioned longitudinally and apical leakage was observed using stereomicroscope of 120x magnification. The longest penetration of the dye was used as data. The results of one way anova and LSD test showed that there was the influence of the use of sodium chloride 0.9%, alcohol 96%, and distilled water as an intermediate material flushes of root canal obturation of the root canal apical leakage (p <0.05) and there is a difference significant between the samples using alcohol as intermediate flushes compared to 0.9% sodium chloride and distilled water. The conclusion of this study is the use of 96% alcohol has a significant effect on the apical leakage of root canal obturation

PERBEDAAN KEBOCORAN MIKRO RESTORASI INLEI RESIN KOMPOSIT MENGGUNAKAN RESIN SEMEN DUAL CURE YANG BERBEDA

Conventional resin cement which associated with total etch technique linked with the incidence of post operative sensitivity on cementation of indirect restoration. Conversely, self-adhesive resin cement caused less incidence of post operative sensitivity toward cold stimulation. The aim of this study was investigating the difference of microleakage between self-adhesive and conventional resin cement on cementation of class I composite resin inlay cementation. Ten human extracted premolar teeth were randomly divided into two groups, group I, for cementation class I composite resin inlay using self-adhesive resin cement, then group II for cementation using conventional resin cement. Specimens were stored in artificial saliva for 24 hours at 37ºC incubator, thermocycled at 60ºC and 4ºC each for 1 minute dan repeated 25 times then immersed in 2% methylene blue dye for 24 hours at 37ºC incubator and centrifuged for 5 minutes at 3000 rpm. Specimens cut into two pieces with separating disc vertically in mesiodistal direction, and dye penetration was assessed using stereo microscope 250 magnification according to 0-3 scoring point. Data was analyzed using U-Mann Whitney tests at �0.05 significance level and 95% confidence level. The results of the study showed that there was no difference of microleakage of composite resin inlay restoration using different dual cure resin cement. The conclusion of the study that there was no difference of microleakage of composite resin inlay restoration using different dual cure resin cement

Kebocoran Mikro pada Orifis Barier Semen Ionomer Kaca Modifikasi Resin, Semen Ionomer Kaca Modifikasi Resin Nano dan Resin Komposit Core Build Up.

The purpose of this study was to investigate the microleakage in orifice barrier resin modified glass ionomer, resin modified glass ionomer nano and resin composite core build up. This study was used 30 extracted humand mandibullary premolars were divided into 3 groups each consisting of 10 teeth, and 10 teeth for the control group which is divided into 5 teeth for positive control and five teeth for negative control. For the control group did not apply orifice barrier material. All teeth were prepared with the Crown Down technique, and were obturated using Protaper guta perca and resin sealer. After sealer set, about 4mm of gutta percha was removed from root canal orifice and then group I was applied orifice barrier material resin modified glass ionomer, group II was applied resin modifiefd glass ionomer nano and group III was applied resin composite core build up, for positive and negative control groups did not apply orifice barrier materials. All the subject of the research were thermocycled for 500 cycles at temperature 5 ° and 55 ° for 30 seconds, then immersed in a methylene blue for 5 days and after that all te subject were sectioned in a mesiodistal direction. Microleakage was measured with microscope stereo with 60x magnification. ANAVA results showed that orifice barier materials resin modified glass ionomer, resin modifiefd glass ionomer nano and resin composite core build up influenced the microleakage of the tooth after root canal treatment. LSD results showed that there were significant differences in microleakage between the orifice barrier resin modified glass ionomer and resin modified glass ionomer nano, and also resin modified glass ionomer nano with resin composite core build up (p <0.05), and there were no difference between the orifice barrier resin modified glass ionomer nano with resin composite core build up (p > 0.05). In this study, it was concluded that aplication of orifice barrier resin modified glass ionomer cement, resin modified glass ionomer cement nano and resin composite core build up influenced the microleakage of the tooth after root canal treatment