Effect of glass-ionomer cement as an intra-canal barrier in post space prepared teeth: An<i>in vitro</i>study

Vijay, R; Indira, R

doi:10.4103/0972-0707.55620

Cited by 3 publications

(3 citation statements)

References 9 publications

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“…The marginal closeness of filling material and dental tissue affects the effect of pulp treatment, and the generation of microleakage is an important reason for the failure of root canal treatment. Swanson et al have shown in vitro studies that bacteria can enter the treated root canal through cracks at the filling edge, leading to re-infection of the root canal system [4] . Infection can also infiltrate into the periapical tissue along the filling material of the root tip, leading to the failure of pulp treatment.…”

Section: Effect On Root Canalmentioning

confidence: 99%

Influence Factors on Microleakage of Dental Composite Resin

Wang¹,

Xu²,

Gao³

et al. 2018

2018 7th International Conference on Advanced Materials and Computer Science (ICAMCS 2018)

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Dental composite resin is a kind of material which has been widely used in dental restoration. It was found that the marginal adaptation of the composite resin was slightly misfit and microleakage was easily formed. The harms of microleakage of composite resin was discussed in this paper. The effects of resin matrix and inorganic filler, initiating system, illumination, repair technique and surface treatment on the polymerization shrinkage of composite resin were also analyzed. The paper also discusses the effective measures to reduce micro-leakage of resin, and offers theoretical basis for the clinical application and development of composite resin.

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Section: Effect On Root Canalmentioning

confidence: 99%

Influence Factors on Microleakage of Dental Composite Resin

Wang¹,

Xu²,

Gao³

et al. 2018

2018 7th International Conference on Advanced Materials and Computer Science (ICAMCS 2018)

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“…This study discusses the current concepts in the usage of different sealers in endodontic therapy and their comparison in order to draw some clinical inferences. Ideally, the root canal sealer should be capable of creating an effective bond between the core material and the dentine of the root canal thus preventing leakage (4) .…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Sealing Ability of Zinc Oxide Nano-Particles Versus Conventional Zinc Oxide in Endodontically Treated Teeth (SEM study)

Yaseen¹,

El-Din

Mohamed

2018

ADJ-for Girls

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Purpose: The aim of this study was directed to compare the sealing ability of two materials which are conventional zinc oxide and zinc oxide nanoparticles by measuring microleakage of both materials by stereo microscope and scanning electron microscope. Materials and Methods: Seventy extracted single-rooted human teeth with complete roots, fully formed apices and present a single canal without calcification were used. The crowns of all teeth were removed using a water-cooled, slow-speed diamond precision disc, so as to adjust the length of the roots to a standardized length of 16 mm. The samples were randomly divided into two main groups each one contains 35 samples according to the sealer used as follow: Group I: Conventional zinc oxide sealer & Group II: Zinc oxide nano-particles. Each main group was divided according to evaluation method as follow: Thirty roots were randomly selected from each group for the evaluation of sealing ability using dye penetration method to measure microleakage using stereo microscope and the rest (5 roots) were used in the SEM for representative evaluation of sealing ability of each sealer. In the stereo microscope part, the samples were further divided into three subdivisions according to the time of incubation period one week, one month and three months. Results: As for Dye leakage results of the sealing ability, zno nano-powder showed the statistically significantly highest sealing throughout all periods of examination, While conventional zno showed the statistically significantly lowest sealing throughout all periods of examination. For both zno nano sealer and conventional zinc oxide samples, the highest mean value of leakage was found in (After 3 months) followed by (After 1 week) while the least mean value of leakage was found in (After 1 month). Conclusion: Zinc Oxide nano particles based sealer has higher sealing ability than conventional zinc oxide based sealer.Nano sized particles allow more adaptation and penetration into dentinal tubules than macro sized one.

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“…From this perspective, it is important that the intracanal barrier should provide adequate coronal seal and prevent the entry of bacterial toxins into the root canal that compromises the success of the RCT. [ 5 ]…”

Section: Introductionmentioning

confidence: 99%

Intraorifice sealing ability of different materials in endodontically treated teeth: An in vitro study

Parekh¹,

Irani²,

Sathe³

et al. 2014

J Conserv Dent

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Background:Microbial contamination of the pulp space is one of the major factors associated with endodontic failure. Thus, in addition to a three dimentional apical filling a coronal seal for root canal fillings has been recommended.Aim:The present study was conducted to evaluate and compare the intra-orifice sealing ability of three experimental materials after obturation of the root canal system.Materials and Methods:Fourty single rooted mandibular premolars were decoronated, cleaned, shaped and obturated. Gutta-percha was removed to the depth of 3.5 mm from the orifice with a heated plugger. Ten specimens each were sealed with Light Cure Glass Ionomer Cement (LCGIC), Flowable Composite (Tetric N-Flow), and Light Cure Glass Ionomer Cement with Flowable Composite in Sandwich Technique along with a positive control respectively and roots submerged in Rhodamine-B dye in vacuum for one week. Specimens were longitudinally sectioned and leakage measured using a 10X stereomicroscope and graded for depth of leakage.Results:According to the results of the present study LC GIC + Tetric N Flow demonstrated significantly better seal (P < 0.01) than LC GIC. However there was no statistically significant difference in leakage (P > 0.01) between Tetric N-Flow and LCGIC+Tetric N-Flow groups.Conclusion:In the current study LCGIC+Tetric N-Flow was found to be superior over other experimental materials as intra-orifice barriers.

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Effect of glass-ionomer cement as an intra-canal barrier in post space prepared teeth: Anin vitrostudy

Cited by 3 publications

References 9 publications

Influence Factors on Microleakage of Dental Composite Resin

Influence Factors on Microleakage of Dental Composite Resin

Evaluation of Sealing Ability of Zinc Oxide Nano-Particles Versus Conventional Zinc Oxide in Endodontically Treated Teeth (SEM study)

Intraorifice sealing ability of different materials in endodontically treated teeth: An in vitro study

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