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The Effect of Sonic Activation Tip Placement and Root Canal Irrigants On Smear Layer Removal Karnady, Josephine Amanda; Iskandar, Bernard Ongki; Prahasti, Anastasia Elsa; Sjahruddin, Loes Djimahit
Odonto : Dental Journal Vol 12, No 3 (2025): December 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.12.3.310-316

Background: Root canal preparation produces smear layer. Smear layer removal is mandatory before obturation, which could be achieved by using root canal irrigants such as EDTA 17% and maleic acid 7%. As reported in previous research, irrigant solutions combined with sonic irrigation systems can remove the smear layer. This study aims to assess the effectiveness of irrigation solution with sonic activation tip placement at 2 mm and 4 mm from working length within 30 seconds in eliminating the smear layer in the apical third of the root canal.Method: 120 extracted single-rooted premolars decoronated and prepared with reciprocating file (#25/06), then randomly divided into six groups for final irrigation. Group 1: EDTA 17% + activation tip 2 mm from working length, Group 2: Maleic acid 7% + activation tip 2 mm from working length, Group 3: Distilled water + activation tip 2 mm from working length, Group 4: EDTA 17% + activation tip 4 mm from working length, Group 5: Maleic acid 7% + activation tip 4 mm from working length, Group 6: Distilled water + activation tip 4 mm from working length. Teeth were split into half using chisel and mallet and observed by Scanning Electron Microscope with 1000x magnification.Result: Kruskal-Wallis test showed significant differences among the groups (p<0.001).Conclusion: Sonic activation tip placement influences the cleanliness of the apical third of the root canal

The Effect of Sonic Activation Tip Placement and Root Canal Irrigants On Smear Layer Removal Karnady, Josephine Amanda; Iskandar, Bernard Ongki; Prahasti, Anastasia Elsa; Sjahruddin, Loes Djimahit
Odonto : Dental Journal Vol 12, No 3 (2025): December 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.12.3.310-316

Background: Root canal preparation produces smear layer. Smear layer removal is mandatory before obturation, which could be achieved by using root canal irrigants such as EDTA 17% and maleic acid 7%. As reported in previous research, irrigant solutions combined with sonic irrigation systems can remove the smear layer. This study aims to assess the effectiveness of irrigation solution with sonic activation tip placement at 2 mm and 4 mm from working length within 30 seconds in eliminating the smear layer in the apical third of the root canal.Method: 120 extracted single-rooted premolars decoronated and prepared with reciprocating file (#25/06), then randomly divided into six groups for final irrigation. Group 1: EDTA 17% + activation tip 2 mm from working length, Group 2: Maleic acid 7% + activation tip 2 mm from working length, Group 3: Distilled water + activation tip 2 mm from working length, Group 4: EDTA 17% + activation tip 4 mm from working length, Group 5: Maleic acid 7% + activation tip 4 mm from working length, Group 6: Distilled water + activation tip 4 mm from working length. Teeth were split into half using chisel and mallet and observed by Scanning Electron Microscope with 1000x magnification.Result: Kruskal-Wallis test showed significant differences among the groups (p<0.001).Conclusion: Sonic activation tip placement influences the cleanliness of the apical third of the root canal

Pengaruh perendaman dengan red wine terhadap perubahan warna restorasi resin komposit one shade Priscilia Dinata Tobing, Fiona; Ongki Iskandar, Bernard; Stefani, Rosita
Jurnal Kedokteran Gigi Terpadu Vol. 6 No. 1 (2024): Jurnal Kedokteran Gigi Terpadu
Publisher : Fakultas Kedokteran Gigi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jkgt.v6i1.20968

Background: The very rapid development of technology for aesthetic treatment results has given rise to composite resin namely one shade composite resin. One shade composite resin has a chameleon effect that can copy all tooth colors using just one color. However, this composite resin can change color which causes patient dissatisfaction with the treatment results because it interferes with aesthetic value and appearance. This color change is influenced by the presence of color pigments and the acidic pH in the food and drinks, specifically red wine. Objective: To examine the effect of red wine consumption on the color stability of one shade composite resin. Methods: This research used sixteen one shade composite resins, consisting of 2 different brands in cylindrical shape (diameter: 10 mm; height: 2 mm) and allocated to 2 different groups, that is the control and treatment groups for each type of composite resin. Control groups were immersed in artificial saliva fo 6 days within 144 hours. Treatment groups were immersed in red wine for 4 days within 96 hours, followed by immersion in artificial saliva for 2 days within 48 hours. Color measurements were measured using vita easyshade V. Results: The ANOVA Two Way results showed that there were significant color change (p<0,05). Conclusion: There is an effect of immersion red wine on the color stability of one shade composite resin.

Influence of Two Root Canal Obturation Techniques with Resin Based Sealer to Enterococcus faecalis Penetration Aryadi Subrata; Anastasia Elsa Prahasti; Bernard Ongki Iskandar
Journal of Indonesian Dental Association Vol. 2 No. 1 (2019): April
Publisher : Indonesian Dental Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32793/jida.v2i1.358

Introduction: Root canal treatment is done to maintain the teeth to last as long as possible in the oral cavity. This can be done with three main stages, such as biomechanical preparation, sterilization and root canal filling. The hermetic seal of root canal filling has an important role in the success of root canal treatment. Objective: The aim of this in-vitro study is to compare the microbial leakage of root canals filled with RealSeal sealer/Resilon Points and AH Plus sealer/conventional gutta-percha points using single cone obturation technique and warm vertical compaction technique. Methods: Thirty-two extracted human mandibular premolars with single canals were decoronated to a standardized root length of 15 mm and prepared using crown-down technique to a master apical file size 30/.09. Teeth were divided into four experimental groups (n = 7 each group) and controls (n = 1 each group). Teeth in the first group were obturated using single master gutta percha cone and AH Plus sealer and second group were obturated with single Resilon gutta percha cone using RealSeal sealer. Third experimental group was filled with warm vertical condensed gutta-percha using AH Plus sealer and fourth group was filled with warm vertical condensed Resilon gutta-percha using RealSeal sealer. The coronal chamber of each sample were inoculated with Enterococcus faecalis. Results: There were no significant differences between the four experimental groups (P = 0.182). The differences occurred only in the survival time from each group. Group 4 (Warm Vertical Condensation - RealSeal) has the lowest leakage rate among other groups and the fastest leakage occurred in group 1 (Single Cone - AH Plus). Conclusion: The single-cone techniques does not insure durable apical seal against bacterial leakage. Warm vertical compaction technique using Resilon gutta-percha and RealSeal sealer appears to be more effective in minimizing bacterial leakage than gutta-percha and AH Plus sealer.

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