Dental and Medical Problems

Dent. Med. Probl.
Index Copernicus (ICV 2018) – 113.05
MNiSW – 20
Average rejection rate – 70.86%
ISSN 1644-387X (print)
ISSN 2300-9020 (online)
Periodicity – quarterly

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Dental and Medical Problems

2019, vol. 56, nr 2, April-June, p. 167–172

doi: 10.17219/dmp/105561

Publication type: original article

Language: English

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Creative Commons BY-NC-ND 3.0 Open Access

SEM and EDS study of TotalFill BC Sealer and GuttaFlow Bioseal root canal sealers

Badania SEM i EDS uszczelniaczy kanałowych TotalFill BC Sealer i GuttaFlow Bioseal

Przemysław Reszka1,A,B,C,D,F, Alicja Nowicka2,E,F, Włodzimierz Dura3,C,E,F, Ewa Marek3,C,E,F, Mariusz Lipski3,A,D,E,F

1 Private Dental Practice, Koszalin, Poland

2 Department of Conservative Dentistry and Endodontics, Faculty of Medicine and Dentistry, Pomeranian Medical University of Szczecin, Poland

3 Department of Preclinical Conservative Dentistry and Preclinical Endodontics, Faculty of Medicine and Dentistry, Pomeranian Medical University of Szczecin, Poland

Abstract

Background. Recently, a new generation of calcium silicate-based root canal sealers has been developed. These new types of sealers have the ability to set in wet environment, have high alkalinity and present potential antimicrobial activity.
Objectives. The aim of this study was to determine the chemical composition and microstructure of 2 novel calcium silicate-containing root canal sealers – TotalFill® BC Sealer and GuttaFlow® Bioseal.
Material and Methods. The tested sealers were prepared according to the manufacturers’ instructions. Sixteen cylindrical dishes (inner diameter: 4 mm; height: 3 mm) were placed on a glass Petri dish and packed with the materials. The Petri dish was transferred to an incubator. After the sealers set, excess material was removed with diamond discs and polishing paste. The materials were assessed using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) X‑ray microanalysis.
Results. Both TotalFill BC Sealer and GuttaFlow Bioseal contained calcium, zirconium, oxygen, carbon, silicon, and a trace of sodium. In the case of TotalFill BC Sealer, trace amounts of copper and technetium were also present, and for GuttaFlow Bioseal, iron, zinc, and a trace of magnesium and hafnium were noted. No bismuth was found. Both of the assessed sealers contained fine particles embedded in the matrix; however, GuttaFlow Bioseal also had larger particles with a diameter of 2–10 μm.
Conclusion. TotalFill BC Sealer represents a higher degree of purity in comparison with GuttaFlow Bioseal. The clinical implications of heavy metals present in GuttaFlow Bioseal need to be investigated. Both materials have a fine particle structure, which is desirable for root canal sealers.

Key words

heavy metals, scanning electron microscopy, energy dispersive spectroscopy, calcium silicatebased root canal sealers

Słowa kluczowe

metale ciężkie, skaningowa mikroskopia elektronowa, rentgenowska spektroskopia energodyspersyjna, uszczelniacze kanałowe na bazie krzemianów wapnia

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