Calcium Release from Different Toothpastes after the Incorporation of Tricalcium Phosphate and Amorphous Calcium Phosphate
APPLIED SCIENCES-BASEL(2021)
Abstract
This study aimed to investigate the free calcium released from different brands of toothpaste after incorporation with a beta-tricalcium phosphate (beta-TCP)/amorphous calcium phosphate (ACP) mixed powder and with beta-TCP powder alone. Four brands of toothpaste were used for the experiment: Nano-Bio Activation Toothpaste, Colgate Total Advanced Whitening Toothpaste, BORONIA Herbal Whitening, and BioMin F. The investigated beta-TCP and ACP powders were prepared by a two-step sintering method using raw coral material. Analytical results found that the mean calcium concentration of the beta-TCP/ACP (2:1) powder in deionized water was 3.4% when the pH was between 5 and 9. Moreover, statistical results revealed that the toothpaste containing beta-TCP powder had significantly higher calcium concentrations than the normal toothpaste. The toothpaste containing mixed beta-TCP/ACP powder had a higher calcium concentration than the toothpaste containing only beta-TCP powder. Twice as much free calcium could be released from beta-TCP/ACP toothpaste than from beta-TCP-only toothpaste. Thus, toothpaste containing beta-TCP/ACP mixed powder offers greater benefits to facilitate the remineralization of enamel than toothpaste containing only beta-TCP.
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Key words
remineralization,β,-tricalcium phosphate,amorphous calcium phosphate,two–,step sintering
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