Beta tricalcium phosphate ceramics with controlled crystal orientation fabricated by application of external magnetic field during the slip casting process

Hagio, Takeshi; Yamauchi, Kazushige; Kohama, Takenori; Matsuzaki, Toshiya; Iwai, Kazuo

doi:10.1016/j.msec.2013.03.024

Cited by 16 publications

(11 citation statements)

References 35 publications

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“…β-TCP transforms automatically but irreversibly into a more resorbable α-form at 1160 ± 40 °C. However, β-TCP is usually preferred as a biomaterial for its chemical stability, mechanical strength, and bioresorption properties [ 44 ]. β-TCP has been shown to be biocompatible and osteoconductive in both animal and clinical studies [ 31 ].…”

Section: Materials Used For Ridge Preservationmentioning

confidence: 99%

Grafts for Ridge Preservation

Jamjoom

Cohen

2015

JFB

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Alveolar ridge bone resorption is a biologic phenomenon that occurs following tooth extraction and cannot be prevented. This paper reviews the vertical and horizontal ridge dimensional changes that are associated with tooth extraction. It also provides an overview of the advantages of ridge preservation as well as grafting materials. A Medline search among English language papers was performed in March 2015 using alveolar ridge preservation, ridge augmentation, and various graft types as search terms. Additional papers were considered following the preliminary review of the initial search that were relevant to alveolar ridge preservation. The literature suggests that ridge preservation methods and augmentation techniques are available to minimize and restore available bone. Numerous grafting materials, such as autografts, allografts, xenografts, and alloplasts, currently are used for ridge preservation. Other materials, such as growth factors, also can be used to enhance biologic outcome.

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Section: Materials Used For Ridge Preservationmentioning

confidence: 99%

Grafts for Ridge Preservation

Jamjoom

Cohen

2015

JFB

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“…Since calcium orthophosphates are either thermally unstable (MCPM, MCPA, DCPA, DCPD, OCP, ACP, CDHA) or have a melting point at temperatures exceeding ~1400 °C with a partial decomposition (α-TCP, β-TCP, HA, FA, TTCP), only the first and the second consolidation approaches are used to prepare bulk bioceramics and scaffolds. The methods include uniaxial compaction [198,199,200], isostatic pressing (cold or hot) [108,201,202,203,204,205,206,207], granulation [208,209,210,211,212,213], loose packing [214], slip casting [93,215,216,217,218,219,220], gel casting [188,189,221,222,223,224,225], pressure mold forming [226], injection molding [227,228,229], polymer replication [230,231,232,233,234,235,236,237], extrusion [238,239,240,241,242], slurry dipping and spraying [243]. In addition, to form ceramic sheets from slurries, tape casting [105,223,244,245,246], doctor blade [247] and colander me...…”

Section: Bioceramics Of Calcium Orthophosphatesmentioning

confidence: 99%

“…Various combinations of several techniques are also possible [ 95 , 223 , 249 , 250 , 251 ]. Furthermore, some of these processes might be performed under the electromagnetic field, which helps crystal aligning [ 216 , 220 , 252 , 253 , 254 , 255 ].…”

Section: Bioceramics Of Calcium Orthophosphatesmentioning

confidence: 99%

Calcium Orthophosphate-Based Bioceramics

Dorozhkin¹

2013

Materials

231

153

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Various types of grafts have been traditionally used to restore damaged bones. In the late 1960s, a strong interest was raised in studying ceramics as potential bone grafts due to their biomechanical properties. A bit later, such synthetic biomaterials were called bioceramics. In principle, bioceramics can be prepared from diverse materials but this review is limited to calcium orthophosphate-based formulations only, which possess the specific advantages due to the chemical similarity to mammalian bones and teeth. During the past 40 years, there have been a number of important achievements in this field. Namely, after the initial development of bioceramics that was just tolerated in the physiological environment, an emphasis was shifted towards the formulations able to form direct chemical bonds with the adjacent bones. Afterwards, by the structural and compositional controls, it became possible to choose whether the calcium orthophosphate-based implants remain biologically stable once incorporated into the skeletal structure or whether they were resorbed over time. At the turn of the millennium, a new concept of regenerative bioceramics was developed and such formulations became an integrated part of the tissue engineering approach. Now calcium orthophosphate scaffolds are designed to induce bone formation and vascularization. These scaffolds are often porous and harbor different biomolecules and/or cells. Therefore, current biomedical applications of calcium orthophosphate bioceramics include bone augmentations, artificial bone grafts, maxillofacial reconstruction, spinal fusion, periodontal disease repairs and bone fillers after tumor surgery. Perspective future applications comprise drug delivery and tissue engineering purposes because calcium orthophosphates appear to be promising carriers of growth factors, bioactive peptides and various types of cells.

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“…Texturing of ceramic materials by colloidal processing is one of these techniques. Colloidal processing has been extensively investigated for net shaping methods such as gel casting [1][2][3], electrophoretic deposition [4,5] and slip casting [4,[6][7][8][9]. Controlled conditions of the starting powder, slurry preparation, organic additive removal and sintering resulted in high-quality dense ceramic materials for industrial, medical and commercial use.…”

Section: Introductionmentioning

confidence: 99%

“…Texture of ceramic materials with interesting properties in a strong magnetic field has gained much attention recently. [2,3,5,8,9,12] The very low diamagnetic susceptibilities ( ) of ceramic materials did not make them very attractive for magnetic studies. However, the development of magnets with strong fields by the use of superconducting materials made the study of feeble diamagnetic ceramics much more appealing.…”

Section: Introductionmentioning

confidence: 99%

Texturing of hydrothermally synthesized BaTiO3 in a strong magnetic field by slip casting

Özen

Mertens

Snijkers

et al. 2016

Ceramics International

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Barium titanate powder was processed by slip casting in a rotating strong magnetic field of 9.4 tesla. The orientation factor of the sintered compact was analyzed by the X-ray diffraction technique and the microstructure (grain-size) was analyzed by scanning electron microscope. The hydrothermally prepared barium titanate was used as matrix material and the molten-salt synthesized barium titanate, with a larger particle-size, was used as template for the templated grain-growth process. Addition of large template particles was observed to increase the orientation factor of the sintered cast (5 vol% loading). Template particles acted as starting grains for the abnormal grain-growth process and the average grain-size was increased after sintering. Increasing the solid loading (15 vol%) resulted in a similar orientation factor with a decrease of the average grain-size by more than half. However, addition of templates to the 15 vol% cast had a negative effect on the orientation factor. The impingement of growing particles was stated as the primary cause of particle misorientation resulting in a low orientation factor after sintering. Different heating conditions were tested and it was determined that a slow heating rate gave the highest orientation factor, the smallest average grain-size and the highest relative density.

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Beta tricalcium phosphate ceramics with controlled crystal orientation fabricated by application of external magnetic field during the slip casting process

Cited by 16 publications

References 35 publications

Grafts for Ridge Preservation

Grafts for Ridge Preservation

Calcium Orthophosphate-Based Bioceramics

Texturing of hydrothermally synthesized BaTiO3 in a strong magnetic field by slip casting

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