bismuth subcarbonate

(redirected from bismuth carbonate)
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bis·muth sub·car·bon·ate

used for the same purposes as bismuth subnitrate, but has lower toxicity.

bismuth subcarbonate

Bi2O2(CO3), an odorless, tasteless powder used as an antacid, astringent, and protective. It is incompatible with sulfides, acids, acid salts.
CAS # 5892-10-4
See also: bismuth
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References in periodicals archive ?
The PC-based materials had the same constituents plus bismuth carbonate (JCPDS 01-073-6504) and MTA-Angelus had bismuth oxide (JCPDS 01-076-1730).
Alternative materials, including bismuth carbonate and others, have been proposed to substitute bismuth oxide (6); therefore, bismuth carbonate was chosen as the radiopacifying agent for this study.
PC-based groups had higher setting time than MTA-Angelus and increased proportionally with the amount of bismuth carbonate, which was also observed by other studies (21, 22).
The obtained results showed that the PC associated with 0 wt%, 2 wt% and 5 wt% bismuth carbonate did not have the required radiopacity to meet the criteria of an endodontic material.
Results for the cell viability assays showed no statistical-ly significant differences between the tested materials and negative control group for both 24- and 48-h experimental periods, suggesting that the addition of bismuth carbonate up to a 15 wt% concentration to PC is biocompatible and not damaging to HPDL cells.
The results of the present study demonstrated that the ad-dition of 15 wt% of bismuth carbonate to Portland cement did not result in sig-nificant changes to its physicochemical properties when compared to MTA-Angelus, except for the setting time, while maintaining cell viability and proliferation, and inducing min-eralisation and new bone formation.