Effect of immersion in distilled water or phosphate‐buffered saline on the solubility, volumetric change and presence of voids within new calcium silicate‐based root canal sealers

Torres, Fernanda Ferrari Esteves; Zordan-Bronzel, Cristiane Lopes; Guerreiro-Tanomaru, Juliane Maria; Chávez-Andrade, Gisselle Moraima; Pinto, Jáder Camilo; Tanomaru‐Filho, Mário

doi:10.1111/iej.13225

Cited by 72 publications

(136 citation statements)

References 28 publications

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“…3,16 Since gutta-percha is considered a dimensionally stable material, 17 this thin film of sealer is considered more favorable in the case of sealers presenting solubility above the values recommended by the ISO 6876:2012 standard, such as Bio-C. 22,32 Nevertheless, a great amount of sealer is expected when the single-cone technique is used. 5,16 The suitable filling of the flattened areas when Bio-C Sealer and the thermoplastic technique were used could be attributed to the low percentage of voids and good flow values of Bio-C. 22,32 These results may be related to the small size of the calcium silicate-based sealer particles (smaller than 2 µm). 1,17 AH Plus is an epoxy resin-based sealer considered the gold standard regarding physical properties 33 , and is used in different studies together with thermoplastic filling techniques.…”

Section: Resultsmentioning

confidence: 99%

Effect of obturation technique using a new bioceramic sealer on the presence of voids in flattened root canals

et al. 2021

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The aim of this study was to evaluate the filling ability of a new ready-to-use calcium silicate-based sealer using thermoplastic or single-cone technique in flattened root canals. Twenty-four flattened distal canals of mandibular molars with a buccolingual diameter 4 or more times larger than the mesiodistal diameter were selected. The root canals were prepared and filled (n = 12), according to the following techniques: thermoplastic or single-cone technique using Bio-C Sealer. The teeth were scanned using Skycan 1176 micro-computed tomography (micro-CT)-voxel size 8.74 µm, before and after filling the root canal. The percentage of voids in the filled root canals was evaluated, and the data were statistically analyzed using the unpaired t-test (α = 0.05). The root canals filled using the thermoplastic technique created a smaller percentage of voids in the cervical/middle thirds than those filled using the single-cone technique (p < 0.05). There was no difference in the percentage of voids using either technique in the apical third (p > 0.05). The flattened root canals in the cervical/middle thirds were better filled using the ready-to-use calcium silicate-based sealer associated to the thermoplastic technique, compared with the single-cone technique. In the apical third, the techniques showed similar filling ability.

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Section: Resultsmentioning

confidence: 99%

Effect of obturation technique using a new bioceramic sealer on the presence of voids in flattened root canals

et al. 2021

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“…In the Torres et al study, after immersion in distilled water, all calcium silicate-based cements had high solubility values [22]. The values after immersion in phosphate-buffered saline were significantly lower compared to immersion in water, in any case the values were higher than the minimum required according to ISO 6876.…”

Section: Chemical-physical Propertiesmentioning

confidence: 84%

Calcium Silicate Cements vs. Epoxy Resin Based Cements: Narrative Review

Dioguardi

Quarta

Sovereto

et al. 2021

Oral

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In recent years, calcium silicate cements have been introduced. The purpose of this study is to analyze the main differences between calcium silicate-based cements and epoxy resin-based cements, analyzing the scientific literature of the last year to highlight the main advantages for predictable clinical use. Data collected from the included studies were used in order to analyze different features: chemical-physical properties, cytotoxicity and cell migration, inflammatory response, mineralizing and osteogenic activity, ion release and the filling efficiency of root canals. The calcium silicate cements analyzed in these studies showed good biological and mechanical properties compared to conventional resin-based cements, resulting in better biocompatibility and less cytotoxicity; long-term studies are needed, but these cements have ideal characteristics to allow efficient filling of root canals.

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“…Many studies have been proposed the use of micro-CT for the evaluation of endodontic materials [ 1 3 4 12 20 21 22 ]. Micro-CT allows a nondestructive, quantitative and qualitative high-resolution imaging-based assessment [ 3 ].…”

Section: Discussionmentioning

confidence: 99%

“…This is the first study to evaluate the filling ability of Bio-C. However, a previous study showed a low percentage of voids for this sealer, even after immersion in distilled water or phosphate buffered saline [ 22 ]. Moreover, the scanning resolution of the micro-CT images is fundamental for small voids detection.…”

Section: Discussionmentioning

confidence: 99%

Micro-computed tomographic evaluation of a new system for root canal filling using calcium silicate-based root canal sealers

et al. 2020

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Objectives This study evaluated by using micro-computed tomography (micro-CT) the filling ability and sealer apical extrusion promoted by a new Sealer Injection System (SIS; Angelus) with side openings needle, in comparison with the conventional injection system, associated with a new ready-to-use calcium silicate-based sealer (Bio-C Sealer). Materials and Methods Acrylic resin models containing a main curved artificial canal and 3 simulated lateral canals in apical, middle and cervical thirds were used. The main root canals were prepared using a rotary system up to size 35.05. The canals were filled with Bio-C sealer by using a single cone technique and the conventional delivery system or SIS. Samples were scanned in micro-CT. The percentage of voids throughout the entire extension of the main root canal and in each third of the lateral canals, besides the apical extrusion of the sealer was calculated. Data were submitted to t -test ( p < 0.05). Results There was no difference between both systems in the main root canals filling. Although the volume percentage of voids was similar in the apical and middle thirds of lateral canals, SIS had the greatest filling ability of the cervical third lateral canal. Moreover, the conventional system showed the highest apical extrusion of the sealer. Conclusions The conventional and SIS obturation systems had an appropriate filling ability of the main root canal. SIS had the best filling of the cervical third of the lateral canals, besides lower sealer apical extrusion, suggesting its clinical indication.

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Effect of immersion in distilled water or phosphate‐buffered saline on the solubility, volumetric change and presence of voids within new calcium silicate‐based root canal sealers

Cited by 72 publications

References 28 publications

Effect of obturation technique using a new bioceramic sealer on the presence of voids in flattened root canals

Effect of obturation technique using a new bioceramic sealer on the presence of voids in flattened root canals

Calcium Silicate Cements vs. Epoxy Resin Based Cements: Narrative Review

Micro-computed tomographic evaluation of a new system for root canal filling using calcium silicate-based root canal sealers

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