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Advances in Applied Ceramics
Structural, Functional and Bioceramics
Volume 119, 2020 - Issue 5-6: Advanced Ceramics for Dentistry
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Research Articles

Effect of monocalcium phosphate on the physical, chemical, mechanical and biological properties of calcium silicate cement: an in vitro study

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Pages 348-356 | Received 04 May 2019, Accepted 23 May 2019, Published online: 04 Jun 2019
 

ABSTRACT

This study evaluated the effect of monocalcium phosphate (MCP) on the mechanical and biological properties of calcium silicate (CS) cement. Cements composed of CS with different weight ratios (0–40%) of MCP were prepared and their pH and compressive strength were tested using the pH detector and Universal Testing Machine, respectively. Cell viability, migration, mineralisation and differentiation were evaluated using the Cell Counting Kit 8 (CCK-8), Transwell, alkaline phosphatase activity assay, Alizarin Red-S staining and real-time polymerase chain reaction, respectively. With the MCP content increase, the pH of the cements decreased from 11.5 to 8 and the compressive strength decreased from 25.81 to 3.45 MPa. The extracts of cements promoted cell proliferation, migration, osteoblastic differentiation and mineralisation when MCP was 10–20 wt-%. These suggested that MCP powder can regulate the properties of CS cement. Composite cement containing 10–20 wt-% MCP showed improved biocompatibility and mineralisation and promising for bone defect restoration.

Disclosure statement

No potential conflict of interest was reported by the authors.

Ethical approval

The experimental protocol was approved by the Ethical Committee of Peking University School of Stomatology and was performed in accordance with the institutional guidelines of the Biomedical Ethics Committee of Peking University School of Stomatology (protocol number: PKUSSIRB-201734036).

Additional information

Funding

This work was funded by the National Natural Science Foundation of China (NSFC, No 81771119).

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