Fundamental Concept of Monoblock in Endodontics

Nair, Sreeja; Patil, Amit; Jain, Ashish; Mali, Sheetal; Yadav, Pooja; Agrawal, Sonal S.; Dentistry, ProfessorConservative; Dentistry, Conservative

doi:10.21474/ijar01/12479

Cited by 2 publications

(3 citation statements)

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“…Tertiary monoblocks have a third boundary between the filler material and the bonding medium such as EndoRez or resin-coated gutta-percha with CLEARFIL LINER BOND 2V binder [187,188] or using ActiV GP [187,189]. It was generally shown in [190,191] that the monoblock concept is not true, despite its stable position in the literature. Schematically, the monoblock concept is presented in Figure 14.…”

Section: Scope Of Oral Cavity Diseases and The Endodontics Within The...mentioning

confidence: 99%

“…This material was first introduced by Resilon Research, LLC, Madison, CT, USA [193], and hence it is mainly known under the trade name resilon. The system also includes a dual-curing resin sealant containing about 70% calcium hydroxide, bismuth oxychloride, barium glass and silica filler, and a self-etching primer containing sulfonic acid-terminated functional monomer, HEMA 2-hydroxyelylmethacrylate, water, and a polymerization initiator [191,192,199,200]. RealSeal resilon studs and pellets (SybroEndo) from Sybron Dental Specialties, Orange, CA, USA and RealSeal sealant known as epiphany from Pentron Clinical Technologies, Wallingford, CT, USA were used.…”

Section: Materials For Research and Scope Of Experimental Researchmentioning

confidence: 99%

“…Both methods of thermoplastic hot obturation using the THC technique applied to the filling material based on gutta-percha and resilon, and the Thermafil methods applied to the filling material based on gutta-percha, require a much lower proportion of the sealant compared to the actual filling material in the root canal, compared to the method of cold obturation on the root canal (Figure 25). There is often a tight monoblock of dentin, sealant, and main filling material, despite claims contested this concept [190,191]. The chance of minimizing polymerization shrinkage increases because the application of the material to the root canal is divided into three or four parts, between which there is a sealant.…”

Section: Figure 23mentioning

confidence: 99%

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Development Strategy of Endodontic Filling Materials Based on Engineering and Medical Approaches

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This article is a literature review aimed at presenting the general state of knowledge in manufacturing engineering and materials engineering to develop engineering materials applied for endodontic treatment as filling materials. Particular attention was paid to theoretical analyses concerning the selection of methods for developing and obturating root canals and discussing the results of experimental studies available in the literature. These activities aimed to compare the importance of the most commonly used endodontic filling materials based on gutta-percha or polymeric polyester materials, commonly known as resilon, respectively. The motivation to take up this complex, multi-faceted topic in this paper is the extent of caries, periodontal disease, and other oral diseases in 3 to 5 billion people, often affecting toothlessness and contributing to an increase in the index of disability-adjusted life years (number). Endodontics is an important element of the authors’ concept of Dentistry Sustainable Development (DSD) > 2020. The principles of qualifying patients for endodontic treatment are discussed. The introduction of rotary tools, especially manufactured from Nitinol alloy, to develop root canals and the latest thermohydraulic and condensation techniques for obturation guarantee progress in endodontics. The “Digital Twins” methodology was used, rooted in the idea of Industry 4.0 and the resulting idea of Dentistry 4.0, as well as knowledge management methods, to perform experimental research in virtual space, concerning methods of developing and obturating the root canal and assessing the tightness of fillings. Microscopic visualization methods were also used. Significant factors determining the effectiveness of endodontic obturation are the selection of the filling material and the appropriate obturation method. The generalized dendrological matrix of endodontic filling materials considers the criteria of mechanical strength influencing the potential root fracture and the quality of root canal filling. The results of the SWOT point analysis (strengths and weaknesses, opportunities, threats) were also compared. For both filling materials, the weaknesses are much less than the strengths, while the threats are slightly less than the opportunities for the gutta-percha-based material, while for resilon the opportunities are much smaller than the threats. It requires the application of an appropriate development strategy, i.e., MAXI-MAXI in the case of a filling material based on gutta-percha and MAXI-MINI in the case of resilon. Therefore, the analysis of these experimental data does not indicate the real competitiveness of resilon for the gutta-percha-based material. This material deservedly maintains its strong position as the “Gold Standard of Endodontics”.

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Section: Scope Of Oral Cavity Diseases and The Endodontics Within The...mentioning

confidence: 99%

Section: Materials For Research and Scope Of Experimental Researchmentioning

confidence: 99%

Section: Figure 23mentioning

confidence: 99%

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Development Strategy of Endodontic Filling Materials Based on Engineering and Medical Approaches

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Dobrzańska²,

Dobrzański³

et al. 2021

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What Are the Chances of Resilon to Dominate the Market Filling Materials for Endodontics?

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Dobrzański²,

Dobrzański

et al. 2021

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This paper is a literature review with additional virtual analyses of the authors’ own experimental research results. Knowledge from various areas was synergistically combined, appropriately for concurrent engineering, presenting several possible methodological approaches used in research, optimizing the selection of engineering materials and the conditions of their application with particular application in endodontics. Particular attention was paid to the theoretical aspects of filling material strengths, weaknesses, opportunities, and threats SWOT analysis. Attention was paid to the original concepts of Sustainable Dentistry Development in conjunction with Dentistry 4.0, which includes endodontics as an important element. The dentists’ actions, among others, in conservative dentistry, along with endodontics, requires close cooperation with engineers and the enginering sciences. Methods of root canal preparation were described, together with selected tools, including those made of nitinol. Principles concerning the process of cleaning and shaping the pulp complex are presented. The importance of obturation methods, including the Thermo-Hydraulic-Condensation THC technique, and the selection of filling materials with the necessary sealants for the success of endodontic treatment are discussed. The experimental studies were carried out in vitro on human teeth removed for medical reasons, except for caries, for which two groups of 16 teeth were separated. After the root canal was prepared, it was filled with studs and pellets of a filling material based on polyester materials, which has gained the common trade name of resilon or, less frequently, RealSeal (SybronEndo) with an epiphany sealant. The teeth for the first group were obturated by cold lateral condensation. In the second case the obturation was performed using the Thermo-Hydraulic-Condensation technique using System B and Obtura III. The experimental leakage testing was done using a scanning electron microscope SEM and a light stereoscopic microscope LSM, as typical research tools used in materialography. The research results, in a confrontation with the data taken from the literature studies, do not indicate the domination of resilon in endodontics.

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Fundamental Concept of Monoblock in Endodontics

Cited by 2 publications

References 4 publications

Development Strategy of Endodontic Filling Materials Based on Engineering and Medical Approaches

Development Strategy of Endodontic Filling Materials Based on Engineering and Medical Approaches

What Are the Chances of Resilon to Dominate the Market Filling Materials for Endodontics?

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