Comparative <i>in vivo</i> analysis of the sealing ability of three endodontic sealers in dog teeth after post‐space preparation

Pereira, Charles da Cunha; Oliveira, Elias Pandonor Motcy de; Gomes, Maximiliano Schünke; Bona, Álvaro Della; Vanni, José Roberto; Kopper, Patrícia Maria Poli; Figueiredo, José Antônio Poli de

doi:10.1111/j.1747-4477.2007.00069.x

Cited by 13 publications

(15 citation statements)

References 27 publications

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“…The introduction of new materials in endodontics is facilitated by technological innovations associated with the search for higher clinical success (18). These new materials need to be carefully evaluated (19).…”

Section: Basic Research-technology Discussionmentioning

confidence: 99%

Evaluation of Root Canal Obturation: A Three-dimensional In Vitro Study

Hammad

Qualtrough

Silikas

2009

Journal of Endodontics

186

171

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Section: Basic Research-technology Discussionmentioning

confidence: 99%

Evaluation of Root Canal Obturation: A Three-dimensional In Vitro Study

Hammad

Qualtrough

Silikas

2009

Journal of Endodontics

186

171

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“…Root canals were filled with AH Plus, which is a resin-based sealer of strong sealing ability due to great adhesion to dentin (13) and consequent reduced bacterial leakage, according to results reported by in vivo studies (14,15).…”

Section: Discussionmentioning

confidence: 99%

Computed tomography assessment of the efficiency of different techniques for removal of root canal filling material

Dall'Agnol

Hartmann²,

Barletta

2008

Braz. Dent. J.

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This study evaluated the efficiency of different techniques for removal of filling material from root canals, using computed tomography (CT). Sixty mesial roots from extracted human mandibular molars were used. Root canals were filled and, after 6 months, the teeth were randomly assigned to 3 groups, according to the root-filling removal technique: Group A -hand instrumentation with K-type files; Group B -reciprocating instrumentation with engine-driven K-type files; and Group C rotary instrumentation with engine-driven ProTaper system. CT scans were used to assess the volume of filling material inside the root canals before and after the removal procedure. In both moments, the area of filling material was outlined by an experienced radiologist and the volume of filling material was automatically calculated by the CT software program. Based on the volume of initial and residual filling material of each specimen, the percentage of filling material removed from the root canals by the different techniques was calculated. Data were analyzed statistically by ANOVA and chi-square test for linear trend (=0.05). No statistically significant difference (p=0.36) was found among the groups regarding the percent means of removed filling material. The analysis of the association between the percentage of filling material removal (high or low) and the proposed techniques by chi-square test showed statistically significant difference (p=0.015), as most cases in group B (reciprocating technique) presented less than 50% of filling material removed (low percent removal). In conclusion, none of the techniques evaluated in this study was effective in providing complete removal of filling material from the root canals.

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“…Two of the studies were performed using the hydrophilic self-priming methacrylate resin-based sealer described in Section 3.1. The first study compared the sealability of the hydrophilic self-priming methacrylate resin-based sealer and two other sealers, when root canals of dog's premolars were obturated with gutta-percha and one of three sealers after post-space preparation [178]. That study was essentially a dye leakage study as the teeth were extracted after exposure to the oral environment and immersed in India ink, and thus the results had limited value.…”

Section: In-vivo Animal Studies Involving the Recently-introduced mentioning

confidence: 99%

Ability of new obturation materials to improve the seal of the root canal system: A review

Li¹,

et al. 2014

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Objectives New obturation biomaterials have been introduced over the past decade to improve the seal of the root canal system. However, it is not clear whether they have really produced a three-dimensional impervious seal that is important for reducing diseases associated with root canal treatment. Methods A review of the literature was performed to identify models that have been employed for evaluating the seal of the root canal system. Results and Significance In-vitro and in-vivo models are not totally adept at quantifying the seal of root canals obturated with classic materials. Thus, one has to resort to clinical outcomes to examine whether there are real benefits associated with the use of recently-introduced materials for obturating root canals. However, there is no facile answer because endodontic treatment outcomes are influenced by a host of other predictors that are more likely to take precedence over the influence of obturation materials. From the perspective of clinical performance, classic root filling materials have stood the test of time. Because many of the recently-introduced materials are so new, there is not enough evidence yet to support their ability to improve clinical performance. This emphasizes the need to translate anecdotal information into clinically relevant research data on new biomaterials.

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Comparative in vivo analysis of the sealing ability of three endodontic sealers in dog teeth after post‐space preparation

Cited by 13 publications

References 27 publications

Evaluation of Root Canal Obturation: A Three-dimensional In Vitro Study

Evaluation of Root Canal Obturation: A Three-dimensional In Vitro Study

Computed tomography assessment of the efficiency of different techniques for removal of root canal filling material

Ability of new obturation materials to improve the seal of the root canal system: A review

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