The Effect of Obturation Technique on the Push-out Bond Strength of Calcium Silicate Sealers

DeLong, Christopher; He, Jianing; Woodmansey, Karl F.

doi:10.1016/j.joen.2014.11.002

Cited by 81 publications

(98 citation statements)

References 19 publications

(25 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…A recent in vitro study found that MTA Plus had significantly less bond strength when used with the CW technique compared with the SC technique and primarily failed via mixed cohesive/adhesive failure. In the same study, the bond strength for BC Sealer was less when used with the CW versus the SC technique (5). Those authors attributed the differences to possible changes from the heat of the CW technique (5).…”

Section: Discussionmentioning

confidence: 88%

See 1 more Smart Citation

Dentinal Tubule Penetration of Tricalcium Silicate Sealers

McMichael

Primus

Opperman

2016

Journal of Endodontics

103

View full text Add to dashboard Cite

Introduction The treatments for which mineral trioxide aggregate (MTA)-based materials can be used in dentistry are expanding. Smaller particle size and easier handling properties have allowed the advent of tricalcium silicate sealers including EndoSequence BC Sealer (Brasseler USA, Savannah, GA), QuickSet2 (Avalon Biomed, Bradenton, FL), NeoMTA Plus (Avalon Biomed), and MTA Fillapex (Angelus, Londrina, Brazil). The objective of this study was to measure the tubule penetration with these sealers using continuous wave (CW) and single-cone (SC) obturation techniques. Methods Eighty single-rooted teeth were randomly divided into 8 groups of 10 and obturated with 1 of the previously mentioned sealers mixed with trace amounts of rhodamine using either the CW or SC technique. Teeth were sectioned at 1 mm and 5 mm from the apex and examined under a confocal laser microscope. The percentage of sealer penetration and the maximum sealer penetration were measured. Results The tricalcium silicate sealers penetrated tubules as deep as 2000 μm (2 mm). The percentage of sealer penetration was much higher 5 mm from the apex, with many specimens having 100% penetration for both SC and warm vertical techniques. MTA Fillapex, a resin-based sealer with less than 20% MTA particles, had significantly greater tubule penetration with a warm vertical technique versus the SC technique at the 1-mm level. Conclusions Within the limitations of this study, the CW and SC techniques produced similar tubule penetration at both the 1-mm and the 5-mm level with the tricalcium silicate sealers BC Sealer, QuickSet2, and NeoMTA Plus.

show abstract

Section: Discussionmentioning

confidence: 88%

“…Studies show that the application of heat (CW technique) may affect the properties of some tricalcium silicate sealers (4, 5). BC Sealer is solely indicated for the SC technique (6).…”

mentioning

confidence: 99%

Dentinal Tubule Penetration of Tricalcium Silicate Sealers

McMichael

Primus

Opperman

2016

Journal of Endodontics

103

View full text Add to dashboard Cite

show abstract

“…Bonding of the sealer to dentine either by mechanical retention or chemical adhesion or both is important mainly to maintain a tight seal between them after treatment against bacterial leakage. Additionally, it is important to withstand stresses produced during function or due to successive treatment as post preparation or coronal restoration (8,9,10,11 In the present study, adaptation of the sealers to dentine wall have been tested in addition to the bond strength, as strong bond of the sealer to dentine wall does not assure that it covers and adapts to the entire surface of canal wall. It was proposed that, presence of interfacial gap areas due problems in the bond, manipulation or shrinkage of the sealer could allow leakage of bacteria and their byproducts (12,13).…”

Section: Discussion:-mentioning

confidence: 99%

Assessment of Push-Out Bond Strength and Interfacial Adaptation of Two New Endodontic Sealers; Endosequence Bc and Mta Fillapex to Root Canal Dentine (An in Vitro Study).

Nafiz¹,

Yacoub²,

Ahmed³

2018

IJAR

View full text Add to dashboard Cite

Introduction: the aim of this in vitro study was to evaluate push-out bond strength and interfacial adaptation to dentine wall of EndoSequence BC (BC) and MTA Fillapex sealers compared to AH Plus sealer (AH+). Methods: sixty-six human extracted single rooted teeth with single root canal were selected and the crowns were removed at the level of CEJ to standardized the roots length (16 mm). Samples were instrumented using ProTaper universal NiTi rotary system up to size F5. After irrigation and smear layer removal samples were randomly divided according to tested sealer used into three groups of 22 sample each, and then obturated using lateral compaction technique and stored for 1 week before testing. Each group was subdivided according to test into two subgroups of 11 sample each, push-out test or interfacial adaptation. Data were statistically analyzed by one-way ANOVA and Tukay's post-hoc test (P≤0.05). Results: AH Plus has a statistically significant higher bond strength value than each of EndoSequence BC group and MTA Fillapex group. Regarding interfacial adaptation there was no statistically significant difference between the three sealers. Conclusion: EndoSequence BC bioceramic sealer, MTA Fillapex MTA based sealer showed their inferiority regarding push-out bond strength when compared to AH Plus resin based sealer. All of the three sealers showed different grades of gap width along the whole length of root canal wall.

show abstract

“…Furthermore, the nondestructive characteristic of the CLSM evaluation allows for use of the same sample for other evaluations. Various previous reports used the terms push-out or shear-bond strength test to classify the method used in the present study (27)(28)(29). These terminologies were not used here since a non-adhesive root canal sealer was tested, and it does not make sense to call it an adhesion strength test.…”

Section: Discussionmentioning

confidence: 99%

Epoxy Resin-Based Root Canal Sealer Penetration into Dentin Tubules Does not Improve Root Filling Dislodgement Resistance

De‐Deus¹,

BrandÓo²,

Souza³

et al. 2017

Eur Endod J

View full text Add to dashboard Cite

Objective: This study sought to evaluate the effect of the penetration of an epoxy resin-based root canal sealer into dentin tubules on the force required to dislodge the root canal filling. Methods: Sixty extracted human central incisors with single canals were decoronated, instrumented, and filled with gutta-percha and AH Plus sealer labeled with 0.1% rhodamine B dye. The roots were further sectioned horizontally at 3, 6, and 8 mm from the apex. The coronal surfaces of the resulting 180 slices were evaluated using confocal laser scanning microscopy to measure the amount of sealer that penetrated into the dentin tubules. To quantify the force required to dislocate the root filling material, the root fillings of the slices were subjected to a dislodgement resistance test (push-out). Spearman's rho correlation test was further used to test the correlation between the push-out bond strength and sealer penetration into the dentin tubules (P<0.05). Results: No significant correlation was observed between sealer penetration into the dentin tubules and the force required to dislodge the root canal filling (P=0.626). Conclusion:Following the results of this study, the penetrating ability of the AH Plus sealer into dentin tubules has no correlation with the force required to dislodge the root canal filling.

show abstract

The Effect of Obturation Technique on the Push-out Bond Strength of Calcium Silicate Sealers

Cited by 81 publications

References 19 publications

Dentinal Tubule Penetration of Tricalcium Silicate Sealers

Dentinal Tubule Penetration of Tricalcium Silicate Sealers

Assessment of Push-Out Bond Strength and Interfacial Adaptation of Two New Endodontic Sealers; Endosequence Bc and Mta Fillapex to Root Canal Dentine (An in Vitro Study).

Epoxy Resin-Based Root Canal Sealer Penetration into Dentin Tubules Does not Improve Root Filling Dislodgement Resistance

Contact Info

Product

Resources

About