According to experts, even minor contact with the substance can cause severe necrosis of the gums, posing major treatment challenges. Bottles of Pâte Nécronerve containing arsenic trioxide (As2O3), a toxic substance. Police in Ho Chi Minh City have dismantled a criminal operation involving the unauthorized production and sale of arsenic-based dental materials. The substance in question - arsenic trioxide (As2O3), also known simply as arsenic - is listed as a highly toxic chemical subject to strict regulatory control. Forensic analysis confirmed that all samples contained arsenic trioxide - a carcinogenic and highly dangerous substance known to cause severe health damage.

Source: VietNamNet News January 29, 2026 09:34 UTC