CURAPROX denture care BDC the first-class system for first-class dentures Denture care is important for maintaining oral hygiene, health and quality of life. The CURAPROX Biological Denture Care BDC system has decisive benefits. It has a natural basis of citric acid: the solutions used for daily and weekly cleaning are naturally gentle – dentures stay as good as new. Easy to use: the combination of natural cleaning agents and patented denture brush make all the difference in terms of a fresh feeling and wearing comfort. No discoloration: dentures are not bleached,, do not become brittle or even fragile, as often happens with regular denture cleaners. White stays white and pink stays pink.