If a crown dislodges, put a bit of toothpaste inside it and put it back in place, Messina advises. The toothpaste can act as a temporary cement. If orthodontic wires are irritating, cover the ends with beeswax or orthodontia wax, sold in drugstores, or a cotton ball. If a filling falls out, temporary cements, which are sold at drugstores, can be used. Kits to repair broken dentures are also sold.
Travelers can easily assemble their own emergency kits.