neocolloid C302205Recalls & reported problems
Zhermack SPA · Alginate impression material · Class 2
Data updated Oct 16, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 2
- Deaths reported
- 0
- Injuries reported
- 2
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI EZHIC3022050), received between Jun 9, 2023 and Apr 5, 2024 — classified as 2 injuries.
The most frequently reported specific device problem is “Patient-Device Incompatibility” (2 reports).
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 16, 2026.
Reports received per month
Most reported problems
Device problems
- Patient-Device Incompatibility2
Patient problems
- Hypersensitivity/Allergic reaction2
Recent adverse event reports
The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.
InjuryApr 5, 2024Patient-Device Incompatibility; Patient-Device Incompatibility
IN THIS EVENT IT IS REPORTED THAT NEOCOLLOID LL BUSTA 500 G. WAS USED IN A FULL MOUTH IMPRESSION THAT WAS TAKEN USING THE PRODUCT IN THE ORAL CAVITY. THE NEXT DAY, THE PATIENT REPORTED THAT THEIR GUMS WERE SWOLLEN AND UNCOMFORTABLE. AFTER ORAL EXAMINATION, IT WAS FOUND THAT REDNESS, SWELLING, AND WHITE PUNCTATE PLAQUES WERE PRESENT IN THE MUCOSAL FOLDS OF BILATERAL MAXILLARY NODULES. LOCAL IODINE GLYCERIN WAS APPLIED AND MOUTHWASH WAS USED TO RINSE THE MOUTH. THE PATIENT WAS ADVISED TO OBSERVE. EVENT CAUSE ANALYSIS DESCRIPTION MENTIONED BY DOCTOR: ALGINATE IMPRESSION MATERIAL HAS A STIMULATING EFFECT ON MUCOUS MEMBRANES.
Patient problems: Hypersensitivity/Allergic reaction
MAUDE report 19048993 ↗InjuryJun 9, 2023Patient-Device Incompatibility; Patient-Device Incompatibility
IN THIS EVENT IT IS REPORTED THAT NEOCOLLOID LL BUSTA 500 G. DURING USE PATIENT DEVELOPED MUCOSAL SWELLING AFTER USING THE PRODUCT TO TAKE IMPRESSION. A SALINE GARGLE WAS GIVEN AND SYMPTOMS IMPROVED.
Patient problems: Hypersensitivity/Allergic reaction
MAUDE report 17098119 ↗
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- tropicalgin C302240Zhermack SPA · MATERIAL, IMPRESSION1 report
- Aquasil® Ultra+ Smart Wetting® Impression Material 678684Dentsply International Inc. · MATERIAL, IMPRESSION1 report
- Express™ 73123m Company · MATERIAL, IMPRESSION1 report
- hydrogum C302025Zhermack SPA · MATERIAL, IMPRESSION1 report
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 16, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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