The problem of filling teeth, only one month after filling teeth, is a good material for filling teeth. I also know what materials are. Anyway, their place is the most expensive. After a month of use, they broke down. I There are mainly the following kinds of filling materials: 1, amalgam: This is a kind of filling material that has been neglected by everyone, and many people are afraid of the harm brought by amalgam. In fact, it is the most widely used one in clinic. It is an amalgam compound with the interaction of mercury and silver-tin alloy powder, which can bear the tooth force so much that it will not break the tooth. Moreover, because the amalgam has no cohesive force with the tooth tissue, it is necessary to prepare the designed retention form, so that the amalgam can be closely attached and embedded with each other, and have good moisture resistance, so that the teeth restored by the amalgam can be firm and lasting.

2. Composite resin: This material is especially suitable for the restoration of anterior teeth. By chemically curing the composite resin, the operation is simple. Although there is slight discoloration, it is also suitable for the tongue (palate) cavity of posterior teeth and anterior teeth. It is an organic synthetic resin with a large number of specially treated inorganic fillers, photosensitive curing composite resin, which has the characteristics of stable color and strong adhesion.

3. Glass ionomer cement powder: it is a universal material that can stimulate dental pulp and have adhesive effect on hard tissues of teeth, but its strength is lower than that of amalgam. Suitable for class III and V cavities, used to fill deciduous teeth and used as cavity sealant to prevent dental caries.

4, clove oil zinc oxide cement powder: also known as temporary cement powder, butoxide paste. Used as bottom non-load-bearing material of deep hole double bottom, or non-load-bearing single bottom material, as temporary hole sealing material for 1 ~ 2 weeks, as root canal filling material, with excipient as periodontal plugging agent.

5. Polycarboxylate cement powder (also known as polyacrylic cement powder): it is a cushion and cement material. It can be used as a cavity bottom material, a cavity sealing material within half a year, a root canal filling material, an adhesive for bonding crowns and bridges of dental restorations, and an excipient can also be added as a periodontal plugging agent.

6. Zinc phosphate cement powder: also known as permanent cement powder and zinc cement. It can be used as a bearing material for deep holes and double bottoms, as a hole sealing material within half a year, and can also be used for crown and bridge restoration in oral cavity repair.

7. Calcium hydroxide cement powder: it is a new type of pulp-protecting matrix material. Used as the base material of class III and V cavities, used as the base material for protecting dental pulp to block the stimulation of composite resin on dental pulp, and used as direct and indirect pulp capping agent.

8. Toothpaste: It becomes soft and plastic when heated at 40℃ and hardens after cooling. The auxiliary material use for root canal filling can temporarily seal that cavity, or the temperature of the teeth can be teste after heating.