Early Peri-Implant Osteogenesis with Functionally Graded Nanophase Hydroxyapatite/Bioglass Coating on Ti Alloys

Tan, Yan; Wang, Xianghua; Wu, Qiong; Yan, Wei

doi:10.4028/www.scientific.net/kem.330-332.553

Cited by 3 publications

(3 citation statements)

References 7 publications

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“…Thereafter, the animals are euthanized, and the samples are extracted and analyzed. Usually, mice [37,38], rats [39,40], rabbits [41,42], dogs [43], and sheep [20] are used.…”

Section: The Mechanism Of Bone Tissue Formation On the Surface Of The Bioactive Glassmentioning

confidence: 99%

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Bioactive Glass—An Extensive Study of the Preparation and Coating Methods

Maximov

Crăciun

et al. 2021

Coatings

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Diseases or complications that are caused by bone tissue damage affect millions of patients every year. Orthopedic and dental implants have become important treatment options for replacing and repairing missing or damaged parts of bones and teeth. In order to use a material in the manufacture of implants, the material must meet several requirements, such as mechanical stability, elasticity, biocompatibility, hydrophilicity, corrosion resistance, and non-toxicity. In the 1970s, a biocompatible glassy material called bioactive glass was discovered. At a later time, several glass materials with similar properties were developed. This material has a big potential to be used in formulating medical devices, but its fragility is an important disadvantage. The use of bioactive glasses in the form of coatings on metal substrates allows the combination of the mechanical hardness of the metal and the biocompatibility of the bioactive glass. In this review, an extensive study of the literature was conducted regarding the preparation methods of bioactive glass and the different techniques of coating on various substrates, such as stainless steel, titanium, and their alloys. Furthermore, the main doping agents that can be used to impart special properties to the bioactive glass coatings are described.

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“…Thereafter, the animals are euthanized, and the samples are extracted and analyzed. Usually, mice [37,38], rats [39,40], rabbits [41,42], dogs [43], and sheep [20] are used.…”

Section: The Mechanism Of Bone Tissue Formation On the Surface Of The Bioactive Glassmentioning

confidence: 99%

“…Very good coating results were obtained by enameling with bioactive glass on metal and metal oxide substrates, such as Vitallium and Co-Cr alloy [72][73][74][75], alumina [76][77][78][79][80][81], zirconia [82,83], titanium, and alloys [43,[84][85][86][87][88][89]. The thickness of the obtained layer varies between 25 and 60 µm.…”

Section: Enamelingmentioning

confidence: 99%

Bioactive Glass—An Extensive Study of the Preparation and Coating Methods

Maximov

Crăciun

et al. 2021

Coatings

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“…For example, Henao et al [101] used HVOF to spray HA/TiO 2 -graded coatings onto the Ti6Al4V substrate reaching satisfactory behavior at SBF testing. The use of FGC of HA and bioglasses was favorably compared with the conventional plasma-sprayed HA [322]. The improvement of mechanical properties of coatings was achieved by the use of the composites of HA or bioglasses by nano-diamond or reduced graphene oxide [323,324].…”

Section: Biomedicalmentioning

confidence: 99%

Review of Functionally Graded Thermal Sprayed Coatings

et al. 2020

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The paper briefly describes major thermal spray techniques used to spray functionally graded coatings such as atmospheric plasma spraying, high velocity oxy-fuel spraying, suspension and solution precursor plasma spraying, and finally low and high pressure cold gas spray method. The examples of combined spray processes as well as some examples of post spray treatment including laser and high temperature treatments or mechanical one, are described. Then, the solid and liquid feedstocks used to spray and their properties are shortly discussed. The reviewed properties of functional coatings include: (i) mechanical (adhesion, toughness, hardness); (ii) physical (porosity, thermal conductivity and diffusivity, thermal expansion, photo-catalytic activity), and; (iii) bioactivity and simulated body fluid (SBF) corrosion. These properties are useful in present applications of functionally graded coatings as thermal barriers, the bioactive coatings in prostheses, photo-catalytic coatings in water treatment, coatings used in printing industry (anilox and corona rolls). Finally, some of the future possible fields of functional thermal sprayed coatings applications are discussed, e.g., to coat polymer substrates or to use the cheap technology of low pressure cold gas spray method instead of expensive technology of vacuum plasma spraying to obtain bond coatings.

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