The Efficacy of Different Sealer Removal Protocols on Bonding of Self-etching Adhesives to AH Plus–contaminated Dentin

Roberts, Susan Jo; Kim, Jong Ryul; Gu, Li sha; Kim, Young Kyung; Mitchell, Quinn M.; Pashley, David H.; Tay, Franklin R.

doi:10.1016/j.joen.2009.01.001

Cited by 52 publications

(114 citation statements)

References 26 publications

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“…Endosolv R is an organic solvent that has been shown to aid in fresh AH Plus removal after filling (13) and to dissolve set AH Plus in vitro better than orange oil and distilled water (14). As ultrasonic agitation might be beneficial for improving the chemical properties of organic solvents, such as their dissolving capacity, the aim of this study was to investigate whether PUI of Endosolv R as a final flush during retreatment results in cleaner root canal walls.…”

Section: Introductionmentioning

confidence: 99%

Efficacy of an Organic Solvent and Ultrasound for Filling Material Removal

et al. 2013

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The aim of this study was to investigate whether a final rinse with Endosolv R ® solvent and ultrasound resulted in cleaner root canal walls during endodontic retreatment. A total of 56 extracted premolar teeth were manually instrumented using a step-back flare technique and filled with gutta-percha and AH Plus sealer. After 9 months, the canals were retreated by removing the gutta-percha and sealer with ProTaper Universal Retreatment and rotary preparation with ProTaper Universal System up to an F5 file. As a final step, the teeth were randomly divided in 4 groups (n=14) and were subjected to passive ultrasonic irrigation (PUI) with either Endosolv R or distilled water. In the control groups, the irrigants were left undisturbed. Roots were cleaved and examined under scanning electron microscopy (SEM), and the amount of filling remnants on the canal walls was assessed by two calibrated examiners in a blinded fashion. Data were analyzed by the Kruskal-Wallis test and the Student-Newman-Keuls post hoc test (α=0.05). All groups presented filling debris in the three root canal thirds after retreatment. There were no significant differences between the groups or among the root canal thirds within each group (p>0.05). PUI with Endosolv R was not effective in the removal of filling debris from root canal walls.

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Section: Introductionmentioning

confidence: 99%

Efficacy of an Organic Solvent and Ultrasound for Filling Material Removal

et al. 2013

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“…On the contrary, in the root canal obturation the principal material present is the gutta-percha and the solvent action of these substances on the gutta-percha are similar. 12,17 Therefore, this fact favored the results from the retreatment protocols were similar. Intracanal residues persistence is related to the local anatomy.…”

Section: Discussionmentioning

confidence: 75%

“…11 Its chemical composition presents formamide and 2-phenylethanol with the former being the major ingredient. 12 It is more effective in softener epoxy-based sealer, such as AH 26, AH Plus, and Adseal, in relation to xylol. 13 The residue removal of the epoxybased sealer (AH Plus) from the dentin preventing the adhesion deterioration of the self-etch adhesive systems is another favorable property.…”

Section: Introductionmentioning

confidence: 99%

Persistence of Residues after Endodontic Retreatment related to the Obturation Technique and to the Solvent

Bandéca¹,

Kuga²,

Jordão-Basso³

et al. 2017

World Journal of Dentistry

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Objective: To quantify the persistence of residues after endo dontic retreatment related to the root canal obturation technique (lateral compaction or single cone) previously performed and the solvent used (xylol or EndosolvR) in the cervical and root apical segment using digital radiograph. Materials and methods:Forty root canals were prepared using the F2 instrument and filled with gutta-percha and AH Plus, 20 canals using #25 point by lateral compaction and the other 20 using F2 point by single cone. The root canals were transversely sectioned, and two segments (cervical and apical) were obtained. Radiographs were taken from the segment in buccolingual and mesiodistal direction, as well as the area that was originally filled with the root canal obturation was measured using ImageJ. After the specimens were set on special devices, the obturations were removed using the rotary system and divided into four groups (n = 10): G1 -lateral compaction and xylol; G2 -lateral compaction and EndosolvR; G3 -single cone and xylol; and G4 -single cone and Endosolv-R. A new radiograph was taken and the area occupied by residues was measured. The persistence of residues was obtained from the obturation remaining in the root canal in percentage. The data were analyzed using Kruskal-Wallis test (p = 0.05).Results: There was no difference among the examined groups, regardless of the radicular segment or the radiograph direction (p > 0.05). Conclusion:The endodontic retreatment using xylol or EndosolvR in the obturations previously performed by lateral compaction or single cone technique presented similar persis tence of residues in the root canal, regardless of the radicular segment.

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“…Resin merupakan suatu polimer sintetik yang mempunyai sifat adaptasi baik pada dinding saluran akar yang disebabkan daya adesinya tinggi dan perubahan dimensi kecil. 5 Sealer resin lambat mengeras dan dalam temperatur tubuh memerlukan waktu antara 9-15 jam, sehingga waktu kerja dan waktu setting cukup panjang. 6 Kekurangan sealer berbahan dasar resin adalah selalu mengalami pengerutan pada saat polimerisasi (polimerization shrinkage) sehingga mempengaruhi kerapatan apikalnya.…”

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“…Jenis resin yang banyak digunakan sebagai siler adalah resin-epoxy yang berbasis bisphenol A-diglycidyl ether dengan kandungan hexamethylentetramine sebagai bahan katalisator dan bismuth oxide untuk sifat radiopaknya. 5,6 Sampai saat ini belum ditemukan bahan yang memenuhi semua persyaratan ideal suatu sealer saluran akar. Hal ini yang mendorong selalu dicari usaha untuk meningkatkan mutu suatu sealer, antara lain dengan menambahkan suatu bahan pengisi (filler) pada bahan sealer yang digunakan.…”

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