Widyastuti, Andina
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Comparison of fracture resistance of teeth with prepared protaper next, protaper gold, and hyflex CM rotary files Rinastiti, Margareta; Widyastuti, Andina; Hadriyanto, Wignyo
Majalah Kedokteran Gigi Indonesia Vol 9, No 1 (2023): April
Publisher : Faculty of Dentistry, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/majkedgiind.82711

Abstract

Preparation of the root canal system is a crucial step in root canal treatment. Endodontically treated teeth differ structurally from healthy, untreated teeth. This can lead to root cracking by creating pressure on the canal wall, reducing the fracture resistance of the tooth. Different designs, including cross-sectional shape, tip, taper, flute, radial land, helix angle, rake angle, and pitch, can influence the outcome of the root canal preparation and the risk of root fracture. The purpose of this study was to evaluate the fracture resistance of teeth after root canal preparation using three different NiTi rotary files: ProTaper Next (PN), ProTaper Gold (PG), and HyFlex CM (HC). Thirty premolars with a single and straight root canal were decoronated at the cementoenamel junction, leaving 14 mm of the root. The subjects were divided into 3 groups. Group 1 (n = 10) was prepared using PN, group 2 (n = 10) was prepared using PG, and group 3 (n = 10) was prepared using HC. After instrumentation and irrigation, the specimens were subjected to a continuous vertical compressive force (crosshead-speed of 2.28 mm/sec) in order to record the force (in newtons) until root fracture. To describe the surface characteristic of the dentinal root after the preparation, a section fragment from the apical third of the specimens was observed using a scanning electron microscope (SEM) at 2500x magnification. The micrographs were analyzed according to the Hulsman’s method. The results demonstrated that there was a statistically significant difference in root fracture resistance among the three groups. (p = 0.043). The LSD post hoc test indicated that HC showed a higher root fracture resistance (p < 0.05) compared to both PN and PG. In conclusion, the different file systems of PN, PG, and HC instruments generate different root fracture resistance of teeth. In comparison to PN and PG, HC instruments tend to result in increased fracture resistance.
INFLUENCE OF POST-IMMEDIATE DENTIN SEALING SURFACE TREATMENT ON SHEAR BOND STRENGHT OF LITHIUM DISILICATE Satria, Angga Novendra Eka; Untara, Tri Endra; Widyastuti, Andina
Odonto : Dental Journal Vol 11, No 2 (2024): December 2024
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.11.2.194-203

Abstract

Immediate Dentin Sealing (IDS) is a conservative procedure performed to protect the exposed dentin surface after tooth preparation, especially for indirect restorations. Indirect restorations are a common procedure in dentistry for replacing the crown structure of teeth, including various types such as jacket crowns, bridge prostheses, endo crowns, inlays, and veneers. The tooth preparation process can expose dentin tubules, which can trigger pulp tissue irritation and the risk of infection, as well as interfere with the adhesion of the final restoration. Post-IDS surface treatment methods can help enhance the bonding strength. The research aims to investigate the influence of different post-IDS surface treatment on the shear bond strength of lithium disilicate.The study involved 30 upper premolar teeth, divided into three groups. After crown portion buccal surface preparation, all samples underwent IDS, followed by immersion in water and 24-hour incubation. Subsequently, each group received a specific surface treatment: Group I with nylon brush, Group II with nylon brush + pumice, and Group III with sandblasting using aluminum oxide. Lithium disilicate was then cemented on all samples, followed by another 24-hour incubation before shear bond strength testing. Shear bond strength values in MegaPascals (MPa) were analyzed using one-way ANOVA and post hoc Games-Howell tests with a 95% confidence level.The statistical analysis revealed a significant influence of the different treatment groups on shear bond strength (p < 0.05). In conclusion, this study demonstrates a significant impact of varying post-IDS surface treatments on the shear bond strength of lithium disilicate.
INFLUENCE OF POST-IMMEDIATE DENTIN SEALING SURFACE TREATMENT ON SHEAR BOND STRENGHT OF LITHIUM DISILICATE Satria, Angga Novendra Eka; Untara, Tri Endra; Widyastuti, Andina
Odonto : Dental Journal Vol 11, No 2 (2024): December 2024
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.11.2.194-203

Abstract

Immediate Dentin Sealing (IDS) is a conservative procedure performed to protect the exposed dentin surface after tooth preparation, especially for indirect restorations. Indirect restorations are a common procedure in dentistry for replacing the crown structure of teeth, including various types such as jacket crowns, bridge prostheses, endo crowns, inlays, and veneers. The tooth preparation process can expose dentin tubules, which can trigger pulp tissue irritation and the risk of infection, as well as interfere with the adhesion of the final restoration. Post-IDS surface treatment methods can help enhance the bonding strength. The research aims to investigate the influence of different post-IDS surface treatment on the shear bond strength of lithium disilicate.The study involved 30 upper premolar teeth, divided into three groups. After crown portion buccal surface preparation, all samples underwent IDS, followed by immersion in water and 24-hour incubation. Subsequently, each group received a specific surface treatment: Group I with nylon brush, Group II with nylon brush + pumice, and Group III with sandblasting using aluminum oxide. Lithium disilicate was then cemented on all samples, followed by another 24-hour incubation before shear bond strength testing. Shear bond strength values in MegaPascals (MPa) were analyzed using one-way ANOVA and post hoc Games-Howell tests with a 95% confidence level.The statistical analysis revealed a significant influence of the different treatment groups on shear bond strength (p < 0.05). In conclusion, this study demonstrates a significant impact of varying post-IDS surface treatments on the shear bond strength of lithium disilicate.
Root canal retreatment followed by apicoectomy and direct restoration with intracanal retention on overfilling obturation Damayanti, Asri; Karima, Aftina Mutiara; Widyastuti, Andina; Untara, Raphael Tri Endra
Majalah Kedokteran Gigi Indonesia Vol 10, No 2 (2024): August
Publisher : Faculty of Dentistry, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/majkedgiind.91789

Abstract

The success of endodontic treatment depends on proper shaping, disinfection, and obturation of the root canals. The filling material must adequately occupy the root canal space without extending the anatomical apex. Overfilling occurs when the filling material extrudes into the periapical tissues beyond the apex, which negatively affects the long-term prognosis. Endodontic overfilling cases can be addressed through surgical treatments aimed at preserving the tooth. This case report aims to inform to highlight endodontic surgery as an effective treatment for cases of failed root canal treatment due to overfilling of the obturation material. A 27-year-old male patient came to the Dental Conservation clinic at RSGM Prof. Soedomo with a chief complaint of the left maxillary lateral incisor, which had undergone discoloration and caused discomfort during chewing. The tooth had undergone root canal treatment two years prior. Periapical radiographic examination revealed that tooth 22 had been treated with overfilling obturation material and there was widening of the periodontal membrane in the periapical area. Root canal retreatment was performed using the crown-down preparation technique, followed by single-cone obturation with a bioceramic sealer. At the subsequent visit, an apicoectomy was performed, involving flap opening, alveolar bone exposure, removal of granulation tissue, and resection of 3 mm of the tooth apex. Retrograde filling with Mineral Trioxide Aggregate (MTA) was applied, followed by bone grafting and membrane placement. The area was sutured and covered with a periodontal dressing. The final restoration was completed using direct composite resin with intracanal retention. At the one-week follow-up, the patient reported no complaints. In conclusion, apicoectomy is an effective solution for overfilling cases. This case report demonstrates that surgery combined with retreatment can preserve the tooth and restore its function.
Effect Of Final Irrigation Materials And Irrigation Techniques On Dental Root Fracture Resistance Aspriyanti, Silva Eliana; Nari Ratih, Diatri; Widyastuti, Andina
Jurnal Kesehatan Gigi Vol 12, No 1 (2025): Juni 2025
Publisher : Jurusan Kesehatan Gigi, Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jkg.v12i1.12396

Abstract

Teeth undergoing root canal treatment are at higher fracture risk due to changes in dentin’s mechanical properties from irrigation solutions, leading to erosion and reduced fracture resistance. This study evaluates the effects of various final irrigation solutions and techniques on fracture resistance in treated teeth. An experimental study used 24 mandibular premolars, divided into six groups, each treated with one of two irrigation solutions (17% EDTA or 0.2% chitosan nanoparticles) and one of three irrigation techniques (manual, sonic, ultrasonic). Fracture resistance was measured with a Universal Testing Machine, and results analyzed using two-way ANOVA and Post-Hoc LSD tests. Findings indicated both irrigation solution type and technique significantly affected fracture resistance (p0.05). The group treated with Chitosan Nanoparticles using manual agitation showed the highest fracture resistance, while the EDTA Ultrasonic group showed the lowest. These results highlight the importance of selecting irrigation solutions and techniques to enhance fracture resistance in root canal-treated teeth, with chitosan nanoparticles and manual techniques showing the best outcomes. 
Effect Of Final Irrigation Materials And Irrigation Techniques On Dental Root Fracture Resistance Aspriyanti, Silva Eliana; Nari Ratih, Diatri; Widyastuti, Andina
Jurnal Kesehatan Gigi Vol. 12 No. 1 (2025): Juni 2025
Publisher : Jurusan Kesehatan Gigi, Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jkg.v12i1.12396

Abstract

Teeth undergoing root canal treatment are at higher fracture risk due to changes in dentin’s mechanical properties from irrigation solutions, leading to erosion and reduced fracture resistance. This study evaluates the effects of various final irrigation solutions and techniques on fracture resistance in treated teeth. An experimental study used 24 mandibular premolars, divided into six groups, each treated with one of two irrigation solutions (17% EDTA or 0.2% chitosan nanoparticles) and one of three irrigation techniques (manual, sonic, ultrasonic). Fracture resistance was measured with a Universal Testing Machine, and results analyzed using two-way ANOVA and Post-Hoc LSD tests. Findings indicated both irrigation solution type and technique significantly affected fracture resistance (p<0.05). The group treated with Chitosan Nanoparticles using manual agitation showed the highest fracture resistance, while the EDTA Ultrasonic group showed the lowest. These results highlight the importance of selecting irrigation solutions and techniques to enhance fracture resistance in root canal-treated teeth, with chitosan nanoparticles and manual techniques showing the best outcomes. 
Effect Of Final Irrigation Materials And Techniques On Sealer Penetration Depth Into Dentinal Tubule Of The Apical Third Root Canal Premadhika, Yogi; Ratih, Diatri Nari; Widyastuti, Andina
Odonto : Dental Journal Vol 11, No 1 (2024): July 2024
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.11.1.124-135

Abstract

Background: The smear layer may interfere with the penetration of the root canal sealer. Final irrigation is known to improve chelating agents' ability in smear layer removal. This study aimed to compare the effect of various materials and final irrigation techniques on the penetration depth of bioceramic silers in the apical third of the tooth.Method: This study used 45 premolars that were prepared with a rotary instrument and then randomly divided into three experimental groups (n=15). Group 1 used 17% EDTA as the final irrigation material, group 2 used Novel Silver Citrate, and group 3 used 0.2% nanoparticle chitosan. Each group was divided into three subgroups (n=5), with subgroup A using manual agitation technique, subgroup B using sonic agitation, and subgroup C using ultrasonic agitation. The teeth were then obturated using a bioceramic sealer. Teeth then cut vertically for observation and measurement  sealer penetration using a stereo microscope with a magnification of 30x followed by observation using SEM at 1000x magnification. data where analyzed using a two-way ANOVA followed by an LSD Post Hoc test, with a significance level of 95%.Result: Two-way ANOVA showed significant differences in materials, techniques, and material-technique interactions (p<0,05).Conclusion: This study concludes that there is an effect of material, technique, and material-technique interaction of final irrigation on the penetration of bioceramic sealer into the dentinal tubules, Combination of 0.2% chitosan nanoparticles and sonic agitation as material and final irrigation technique resulted in the most longest penetration of bioceramic sealer into dentinal tubules.
Effect Of Final Irrigation Materials And Techniques On Sealer Penetration Depth Into Dentinal Tubule Of The Apical Third Root Canal Premadhika, Yogi; Ratih, Diatri Nari; Widyastuti, Andina
Odonto : Dental Journal Vol 11, No 1 (2024): July 2024
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.11.1.124-135

Abstract

Background: The smear layer may interfere with the penetration of the root canal sealer. Final irrigation is known to improve chelating agents' ability in smear layer removal. This study aimed to compare the effect of various materials and final irrigation techniques on the penetration depth of bioceramic silers in the apical third of the tooth.Method: This study used 45 premolars that were prepared with a rotary instrument and then randomly divided into three experimental groups (n=15). Group 1 used 17% EDTA as the final irrigation material, group 2 used Novel Silver Citrate, and group 3 used 0.2% nanoparticle chitosan. Each group was divided into three subgroups (n=5), with subgroup A using manual agitation technique, subgroup B using sonic agitation, and subgroup C using ultrasonic agitation. The teeth were then obturated using a bioceramic sealer. Teeth then cut vertically for observation and measurement  sealer penetration using a stereo microscope with a magnification of 30x followed by observation using SEM at 1000x magnification. data where analyzed using a two-way ANOVA followed by an LSD Post Hoc test, with a significance level of 95%.Result: Two-way ANOVA showed significant differences in materials, techniques, and material-technique interactions (p<0,05).Conclusion: This study concludes that there is an effect of material, technique, and material-technique interaction of final irrigation on the penetration of bioceramic sealer into the dentinal tubules, Combination of 0.2% chitosan nanoparticles and sonic agitation as material and final irrigation technique resulted in the most longest penetration of bioceramic sealer into dentinal tubules.
Distal root hemisection of mandibular left first molar with pulp necrosis, bifurcation perforation, and symptomatic apical periodontitis Regina, APrima Vista Okta; Maharani, Cyntia Dewi; Widyastuti, Andina; Rinastiti, Margareta
Majalah Kedokteran Gigi Indonesia Vol 10, No 3 (2024): December
Publisher : Faculty of Dentistry, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/majkedgiind.91794

Abstract

Hemisection is an endodontic surgery performed by removing one or more roots and existing crown structures to increase the retention of the remaining teeth and to correct defected dental roots that are not possible to maintain. This defect can be caused by pulp tissue or periodontal tissue. Diagnosis of endodontic-periodontal lesions is an essential determinant whether it is due to endodontic or periodontal pathogens. In this case, endodontic treatment needs to be performed in combination with hemisection surgery. The purpose of this case report is to save the tooth with furcation involvement and pulp necrosis, making it perforated on the bifurcation of mandibular first molar. A female patient aged 20 years had a large cavity in tooth 36 with symptomatic apical periodontitis. The tooth was sensitive to percussion test and negative to palpation test, and the mobility was normal. The radiographic feature showed a perforated tooth in the furcation section and furcation involvement. The diagnosis of tooth 36 was pulp necrosis with bifurcation perforation and symptomatic apical periodontitis. The patient received initial treatment, root canal treatment, and obturation on the mesial first molar, then followed by intake of the distal root of the molar. The installation of a prefabricated fiber post in the mesial root of tooth 36 and hemisection surgery were performed on tooth 36. The restoration was done in the form of a full porcelain fused to metal crown on tooth 36 with a splinted crown. Hemisection surgical treatment is a reliable alternative solution and has a good prognosis because it can maintain dental and periodontal tissue as long as possible without tooth extraction.