IRM is a reinforced zinc oxide-eugenol composition for intermediate
restorations lasting up to one year:
1. For temporary restorations
2. Base material
It is an intermediate restorative material. In a clinical study it was compared to other ZOE (Zinc Oxide- Eugenol) compositions and an EBA (Eugenol and o-ethoxybenzoic acid) formulation. Result: it was judged superior for both Class I and II restorations ( at one and two year observations).
Among the many applications are: restoration of deciduous teeth (when permanent teeth are two years or less from eruption); restorative emergencies; caries management program; dental school clinics and public health dental programs.
Handling characteristics IRM powder and liquid should be mixed in less than one minute. The resulting putty consistency is then inserted into the cavity. If indicated, conventional methods of matrix application are appropriate.