Coatings on zirconia for medical applications

Ferraris, Monica; Verné, Enrica; Appendino, Pietro; Moisescu, C.; Krajewski, A.; Ravaglioli, A.; Piancastelli, Andreana

doi:10.1016/s0142-9612(99)00209-4

Cited by 125 publications

(75 citation statements)

References 15 publications

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“…Ferraris reported that by heating bioglass above its melting point, glass penetrates into the zirconia substrate and zirconia granules are surrounded by the glass matrix. As the result, a tough composite layer with a mean thickness of 25 μ is formed with thermal and mechanical properties in between those of zirconia substrate and glass coat 35) . Ferraris observed three layers in AP40 bioglass coated specimens under SEM: a composite layer comprising of glass phase, zirconia particles and glass layer, that based on the type of thermal treatment during cool off was seen in glassy or glassceramic forms 35) .…”

Section: Sem Resultsmentioning

confidence: 99%

“…In our study, bioglass was used as a coating for zirconia substrate using firing technique in order to create an intermediate, etchable layer on the zirconia surface. Many studies have used this type of coating on zirconia implants to benefit from the bioactive properties of glass and mechanical properties of zirconia 35,36) . Bond strength values of different bioglass-coated groups in the current study were comparable with that of the sandblasted group (positive control).…”

Section: Bond Strengthmentioning

confidence: 99%

“…In a study by Ferraris et al in 2000 zirconia samples were directly coated with bioglass powder yielding a coating thickness of 100-300 μ 35) . This finding is in agreement with our results.…”

Section: Thickness Assessmentmentioning

confidence: 99%

See 2 more Smart Citations

Effect of bioglass and silica coating of zirconia substrate on its bond strength to resin cement

2017

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This study aimed to assess the effect of bioglass and silica coating of zirconia substrate on its bond strength to resin cement. A total of 120 specimens were used in this in-vitro, experimental study. Zirconia discs measuring 10×7×2 mm were cut from Y-TZP zirconia blocks, sintered, cleaned and received different surface treatments of sandblasting, bioglass powder coating+etching, bioglass powder coating+etching+silanization, bioglass slurry coating+etching, bioglass slurry coating+etching+silanization, silica coating+silanization, silica coating+etching+silanization and no treatment group (control). Then the microshear bond strength testing and scanning electron microscope (SEM) analysis were done. Data were analyzed using the Mann Whitney U and the Kruskal Wallis tests. Significant differences existed in bond strength of different groups (p<0.001). The sandblasted and bioglass coated groups showed higher and the colloidal silica-coated groups showed lower bond strength compared to the control group.

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Section: Sem Resultsmentioning

confidence: 99%

Section: Bond Strengthmentioning

confidence: 99%

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Effect of bioglass and silica coating of zirconia substrate on its bond strength to resin cement

2017

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“…Regarding RKKP, many researchers have also reported on the properties and biocompatibility to bone tissue in vivo and in vitro [16][17][18][19][20][21][22]. Nicoli et al [18] investigated the biocompatibility and osteointegration of zirconia (ZrO 2 ), either coated with RKKP bioglaze or uncoated, both in vitro and in vivo.…”

Section: Resultsmentioning

confidence: 99%

Novel Bioactive Glass as a Potential Clinical Appliance

Oguchi¹

2017

JMSE-A

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This paper examined the biocompatibility with the bone of novel types of bioactive glass (AP40, RKKP) in vivo. And we investigated the possibility to clinical applications. For the experimental studies, mirror polished titanium, bioactive glasses (RRKP and AP40) and coated HA (hydroxyapatite) were prepared. The investigation period was 72 weeks and observations were conducted at the interface by toluidine staining (undecalcified section) and by TEM (transmission electron microscopy). As a result, novel bioactive glasses are considered as biomaterials that can be fully applied in clinical practice as bone filling materials, scaffolds for regenerative therapy, and coating materials for titanium and/or zirconia similar to Hydroxyapatite and Titanium.

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“…8,13 Zirconia (ZrO 2 ) is an interesting oxide material which has found wide applications such as bioactive material, thermal barrier coating, antireflection coating, optical humidity sensor and for surface with controlled hydrophilicity. 5,[14][15][16] For the synthesis of ZrO 2 thin film, variety of techniques i.e. r.f.…”

Section: Introductionmentioning

confidence: 99%