In vitro investigation of coupling-agent-free dental restorative composite based on nano-porous alumina fillers

Thorat, Sanjay; Diaspro, Alberto; Salerno, Marco

doi:10.1016/j.jdent.2013.12.001

Cited by 58 publications

(52 citation statements)

References 29 publications

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“…Limited loading levels were reached (up to maximum 6% volume), which would still exhibit a significant pharmaceutical effect, with sustained release during a time longer than 2 days ( Figure 6C). This experiment has been repeated in conditions of APA sealed under a coating of the same resin base as that used in our novel restorative composite of Thorat et al (2014). Also, in this case, an effective release of silver was observed in a solution of phosphate buffer saline.…”

Section: Implant Surface Functionalizationmentioning

confidence: 97%

“…Thus, we could retrieve quantitative information on setting and working time of four impression materials, three belonging to the class of polyvinyl-siloxanes (VPS) and one being a conventional polyether (work under review). As compared to techniques such as shark fin test and Shore hardness durometer, FTIR can give a deeper insight into the chemistry FIGURE 6 | (A) compositional SEM image (backscattered electrons) of the cross-section of an APA membrane as that used in the novel restorative composite of Thorat et al (2014), showing high-atomic number nanoparticles dispersed in the pores. (B) SEM EDS spectra obtained from the same area as in (A), displaying the silver of the nanoparticles in (A).…”

Section: Additional Dental Applications Of Nanotechnology: Molecular mentioning

confidence: 99%

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Dentistry on the Bridge to Nanoscience and Nanotechnology

Salerno

Diaspro

2015

Front. Mater.

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Dentistry is the area of medical sciences that is most resistant to the introduction of the novel methods arisen from the development of nanoscience and nanotechnology in the last 20 years. Without moving on to science-fiction-like views pointing to times far ahead in the future, we show that the available nanoscale devices and processes of current science and technology, partly inherited from the areas of microscopy and microelectronics, have already proven to be useful for research and development in different fields of dental research. To this goal, we review some results obtained in the last few years at our Institute in the area of dental materials and their characterization, which showed successful application of our background in microscopy and nanoengineering.Keywords: dental materials, microscopy, surface roughness, nanofabrication, resin composites, implants THE BROAD SCOPE OF DENTISTRYDentistry is considered to be a branch of medicine, such as orthopedics or physiology or neurology. In fact, while based on common foundations of medicine, dentistry is a large stand-alone area, which has its own grasps to the different fields mentioned above (American Dental Association, 2014). For example, topics of periodontal ligament health and dental implant osteointegration clearly relate to a peculiar "dental orthopedics"; the fact that teeth are not a mineralized appendix but rather a living organ in a living environment (gingiva, oral liquids) involves a specific "dental physiology"; the sensitivity of the living tooth, in connection with the pulp and related nerves, can be associated to a possible "dental neurology." Indeed, the oral environment, which is the place where dental functions are operated, is one of the most complex ones in the human body.As a result, within the dental area several specialized disciplines exist (see Figure 1). Conservative dentistry aims to maintain the original denture and largely overlaps with restorative dentistry, the latter encompassing prosthodontics, periodontics, and endodontics. Prosthodontics (or prosthetic dentistry) is required in case of massive irreversible tooth damage that cannot be fixed with simple resin composite filling, and requires the use of prosthesis for teeth, namely crowns, bridges, and even whole dentures. Periodontics (or periodontology) addresses the diseases of the periodontum, i.e., the teeth ligaments. Endodontics focuses on therapy of the root canals and connected pulp diseases. Oral surgery relates to the extraction of teeth that cannot be saved anymore and should be replaced by implants, and is usually combined with maxillo-facial surgery, extending the treated area around the denture. Prosthodontics, periodontics, and surgery correlate to implantology, which deals with the installation of dental implants. Orthodontics concerns the alignment and straightening of teeth, as well as fixing midface and mandibular growth issues. Pedodontics (or pediatric dentistry) relates to the specific dental issues of children's temporary dentures. Of course, oral...

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Section: Implant Surface Functionalizationmentioning

confidence: 97%

Section: Additional Dental Applications Of Nanotechnology: Molecular mentioning

confidence: 99%

Dentistry on the Bridge to Nanoscience and Nanotechnology

Salerno

Diaspro

2015

Front. Mater.

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“…Especially for the filler particles the possible choices are widespread, since both the particle composition and size can be varied, and even provided in multiple populations such as it happens for e.g. the dental restorative composites [4,5].…”

Section: Introductionmentioning

confidence: 99%

Surface Morphology Analysis of Composite Thin Films based on Titanium-Dioxide Nanoparticles

et al. 2017

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This study addressed the advanced micro-morphological characterization of 3D surfaces of thin films based on composites of an organic matrix of poly-methyl-methacrylate and inorganic titanium-dioxide nanocrystals. The films were prepared by spin-coating of a series of solutions with increasing loading concentration of the nanocrystals, from 5 up to 40% by weight. The film surfaces were investigated by atomic force microscopy, and the resulting images were analyzed in detail to obtain a full quantitative description of their surface micromorphology. The fractal analysis of the surface roughness was used to extract the characteristics of amplitude, spatial distribution, and pattern. A fractal geometry was indeed observed, and the corresponding fractal dimension D was determined for all the samples. In view of the possible use of these thin films as functional coatings, the calculated quantities are discussed with respect to the foreseen durability of these surfaces during operation under wear.

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“…The use of metals in dentistry has great therapeutic advantages in many fields of dentistry, such as orthodontics, prostheses, conservative dentistry since its origins and more recently implantology [2]. Likewise, metals can be used on numerous and varied substrates: enamel, dentin, ceramics, resins or other metals [1].…”

Section: Introductionmentioning

confidence: 99%

“…Throughout history these mechanisms have been changing and evolving, from the purely mechanical retention to the present mechanisms of adhesion [2,3]. It is in the decade of the 70 when they begin to develop adhesion materials.…”

Section: Introductionmentioning

confidence: 99%

Is the Ditio-Octonoate Monomer the Ideal for Adhesion to Precious Metals and their Alloys?

Estrada

2017

IJRRT

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A descriptive bibliographic review of the evidence provided in indexed articles and other bibliographic sources, such as books, theses and others, has been made. These were analyzed and after checking whether or not they met the inclusion/exclusion criteria of this work, finally were 27 articles of bibliographic review published in a hairpin that goes from 2007 to 2016. IntroductionThe use of metals in dentistry has great therapeutic advantages in many fields of dentistry, such as orthodontics, prostheses, conservative dentistry since its origins and more recently implantology [2]. Likewise, metals can be used on numerous and varied substrates: enamel, dentin, ceramics, resins or other metals [1]. Examples of adhesion of enamel or dentin to metals, orthodontic bands and brackets, or Maryland type adhesive bridges. It may be necessary to attach a metal to ceramics in the case of a metal crown, which by aesthetics will be covered or another metal (such as a cast post) to the metal of the crown and / or ceramics thereof, or even when it is free of metal [4].The first and foremost objective of dental adhesives is the long-lasting attachment to their substrates or adhesives, whether hard dental tissues or a wide range of materials (some new and others already contaminated when already in the mouth). The adhesive system, already discovered by Bouncoure and Bowen in the 1960s, has meant an improvement in speed, efficiency and convenience by simplifying the joining steps of two bodies of disparate origin and nature and reducing the time in the clinician's working time. The current trend in the development of dental adhesive systems follows the line of self-etch adhesives, multipurpose primers or adhesives that give a strong and durable adhesion indiscriminately to a multitude of adherents that coexist in the oral environment, ranging from tejdios (Enamel and dentin), precious metals (noble), alloys of precious metals and alloys of non-precious metals to dental porcelain, ceramics based on aluminum oxide (alumina) and zirconium-based ceramics [6,7].Do not overlook the many detractors of self-etch adhesives. On the one hand self-etching adhesives are easy to use and less prone to cause postoperative sensitivity. Although on the other hand, AbstractThe use of metals in dentistry presupposes the need for mechanisms of retention or adhesion of the same to different substrates; Such as enamel, dentin, ceramics, old resins and other metals [1].Throughout history these mechanisms have been changing and evolving, from the purely mechanical retention to the present mechanisms of adhesion [2,3]. It is in the decade of the 70 when they begin to develop adhesion materials. Prior to this, retention was basically mechanical, having also evolved from macromechanical retention systems to micromechanical retention systems [3]. It is at the end of the 70 when the first generation of adhesives appears; These monomers were 4-META (4-methacryloyloxyethyl trimellitate anhydride) and 10-MDP (10-methacryloyloxydecyl dihydrogen phosphate). Thes...

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In vitro investigation of coupling-agent-free dental restorative composite based on nano-porous alumina fillers

Cited by 58 publications

References 29 publications

Dentistry on the Bridge to Nanoscience and Nanotechnology

Dentistry on the Bridge to Nanoscience and Nanotechnology

Surface Morphology Analysis of Composite Thin Films based on Titanium-Dioxide Nanoparticles

Is the Ditio-Octonoate Monomer the Ideal for Adhesion to Precious Metals and their Alloys?

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