Temporary Filling Material Repair Kit is a one step process to repair lost fillings or secure loose crowns. It requires no mixing and is safe to eat on. The filling material is designed to repair lost fillings with the same ingredients that dentists use. This is a temporary remedy meant to replace a lost filling or inlay until you have a chance to visit your dentist. Read all of the directions carefully before use.To avoid infection and/or serious injury, this product should not be used if there is throbbing pain, ulceration or swelling in the affected area. If any of these symptoms exist, consult your dentist immediately.