Nano grain sized zirconia–silica glass ceramics for dental applications

Persson, Cecilia; Unosson, Erik; Ajaxon, Ingrid; Engstrand, Johanna; Engqvist, Håkan; Xia, Wei

doi:10.1016/j.jeurceramsoc.2012.06.028

Cited by 41 publications

(24 citation statements)

References 17 publications

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“…It appears that zirconium incorporation into a glass This study showed that Zr incorporation into the bioactive glass increased the mechanical strength, decreased the chemical solubility, and maintained a more stable pH environment while maintaining the ability to form apatite. Additionally, Persson et al [38] proposed an optimized sol-gel method to produce nano-grain-sized zirconia-silica monolithic glass-ceramics with adequate properties for dental applications and concluded that their material showed promising results for use in dental application; however, the production method is sensitive, and large specimen sizes were difficult to produce. In addition to these two studies, which were intended to develop porous and monolithic Zr-containing bioactive glasses, Ananth et al [39] coated a Ti6Al-4V alloy with a ZrO 2 /bioglass mixture using electrophoretic deposition, and a sol-gelderived bioactive glass was used in their study.…”

Section: Introductionmentioning

confidence: 99%

Bioactivity and cell proliferation in radiopaque gel-derived CaO–P2O5–SiO2–ZrO2 glass and glass–ceramic powders

Montazerian

Yekta

Marghussian

et al. 2015

Materials Science and Engineering: C

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Section: Introductionmentioning

confidence: 99%

Bioactivity and cell proliferation in radiopaque gel-derived CaO–P2O5–SiO2–ZrO2 glass and glass–ceramic powders

Montazerian

Yekta

Marghussian

et al. 2015

Materials Science and Engineering: C

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“…is type of chemical synthesis based on the speci c chemical reactions taking place in solution, and in a further step on a series of transformations starting solution -rst in the form of sol, then gel, ending with the conversion of the gel into a solid amorphous or crystalline structure [43,44]. erefore, this method is used to produce glass [45,64,65]. e conversion of the sol into gel is based on a dehydrated colloidal solution of material hydroxide particles, thereby producing a gelatinous substance, called the gel.…”

Section: Synthesis Of Nano-zirconia By the Sol-gel Methodsmentioning

confidence: 99%

“…is has been proven in many publications [44,45,67,68], but also by a combination of hydrothermal methods leading to the acquisition of nanocrystalline powders [32,36].…”

Section: Synthesis Of Nano-zirconia By the Sol-gel Methodsmentioning

confidence: 99%

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Characteristics of selected methods for the synthesis of nanometric zirconium oxide – critical review

Kwaśny¹,

Balcerzak²

2017

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High chemical stability, resistance to changes in the pH, pressure and temperature meant that zirconium oxide is widely used in many elds. It is used in water treatment and waste water treatment processes, as well as air puri cation. In this paper, selected methods of nano-zirconia synthesis in liquid phase were characterized. ese methods include, among others, the microemulsion method. Based on literature data, the advantages and di culties associated with the use of each method are presented, in order to answer the question of which method of nanometric zirconium oxide synthesis in the liquid phase is the most advantageous. e authors also pointed out some directions of development for the discussed methods, which relate to, among others, solvent change and the use of additives in the form of polymers.Keywords: nano zirconia, hydrothermal method, synthesis, microemulsion method Streszczenie Wysoka stabilność chemiczna, odporność na zmiany pH, ciśnienia i temperatury sprawiły, że tlenek cyrkonu znajduje szerokie zastosowanie w wielu dziedzinach. Jest stosowany w procesach uzdatniania wody i oczyszczania ścieków, a także w oczyszczaniu powietrza. W niniejszej pracy scharakteryzowano wybrane metody syntezy nanotlenku cyrkonu w fazie ciekłej. Wśród grupy tych metod wyróżnia się m.in. metodę mikroemulsji. Na podstawie danych literaturowych przedstawiono zalety i trudności związane ze stosowaniem poszczególnych metod, aby móc odpowiedzieć na pytanie, która metoda syntezy nanometrycznego tlenku cyrkonu, w fazie ciekłej, jest najkorzystniejsza. Autorzy wskazali również na pewne kierunki rozwojowe omówionych metod, które wiążą się m.in. ze zmianą polarności rozpuszczalnika i stosowaniem dodatków w formie polimerów.Słowa kluczowe: nanotlenek cyrkonu, metoda hydrotermalna, synteza, metoda mikroemulsji 110

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“…Given this mechanism, Y-TZP possesses adequate mechanical properties for clinical use as fixed prostheses when subjected to high stresses. Meanwhile, the excellent biocompatibility and optical properties of Y-TZP make it a suitable material for aesthetic and metal-free dental restoration [5,6]. Recently, Y-TZP has been extensively applied in dental crown applications because it offers better aesthetics and biocompatibility compared with metal restoration [4,5].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Y-TZP for Dental Crowns Applications by Combining Slip Casting and Cold Isostatic Pressing

Hao

Muchtar²,

Azhari³

et al. 2016

MJAS

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Yttria-stabilized tetragonal zirconia polycrystalline (Y-TZP) is a popular material for dental restoration because of its outstanding mechanical properties and biocompatibility. Cold isostatic pressing (CIP) and slip casting are among several consolidation methods for Y-TZP. These methods produce Y-TZP with high mechanical properties. This study aims to enhance the mechanical properties of Y-TZP by combining slip casting and CIP. Y-TZP samples were fabricated using CIP, slip casting, and their combination. Subsequently, the green bodies of the samples were sintered at 1600 °C. Their mechanical properties (density and hardness) were tested and their microstructures were scrutinized under a scanning electron microscope. Compared with the other two methods, the combined method significantly improved the mechanical properties of Y-TZP. In addition, the combined method also produced a compact and homogeneous microstructure. Therefore, the combination of slip casting and CIP is recommended in the production of Y-TZP with high mechanical properties for dental crown applications.Keywords: cold isostatic pressing, slip casting, colloidal processing Abstrak Polikristal tetragon zirkonia yang distabilkan dengan yttria (Y-TZP) merupakan bahan restorasi pergigian yang popular disebabkan sifat mekanik dan bioserasi yang baik. Kaedah penekanan isostatik sejuk (CIP) dan penuangan buburan adalah kaedah pengukuhan yang lazim digunakan untuk Y-TZP. Kedua-dua kaedah ini berupaya menghasilkan Y-TZP yang bersifat mekanik tinggi. Kajian ini bertujuan meningkatkan sifat mekanik Y-TZP melalui gabungan penuangan buburan dan CIP. Sampel Y-TZP dihasilkan melalui kaedah penuangan buburan, CIP dan gabungan kedua-dua kaedah tersebut. Seterusnya, jasad anum yang terhasil disinter pada suhu 1600 ˚C. Sifat mekanik sampel Y-TZP (ketumpatan dan kekerasan) diuji dan mikrostruktur juga diteliti di bawah mikroskop elektron imbasan. Kaedah gabungan didapati meningkatkan sifat mekanik Y-TZP dengan ketara. Selain itu, mikrostruktur yang padat dan homogen juga diperolehi. Justeru, gabungan kaedah penuangan buburan dan CIP dicadangkan untuk penghasilan Y-TZP yang bersifat mekanik tinggi dalam aplikasi korona gigi.Kata kunci: penekanan isostatik sejuk, penuangan buburan, pemprosesan berkoloid

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Nano grain sized zirconia–silica glass ceramics for dental applications

Cited by 41 publications

References 17 publications

Bioactivity and cell proliferation in radiopaque gel-derived CaO–P2O5–SiO2–ZrO2 glass and glass–ceramic powders

Bioactivity and cell proliferation in radiopaque gel-derived CaO–P2O5–SiO2–ZrO2 glass and glass–ceramic powders

Characteristics of selected methods for the synthesis of nanometric zirconium oxide – critical review

Fabrication of Y-TZP for Dental Crowns Applications by Combining Slip Casting and Cold Isostatic Pressing

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