In oral clinics, tooth demineralization, loss and loss are common phenomena. Once these conditions occur, we need to deal with the filling! So how much is a filling? How much does it cost? What material is good for filling and what material will not cause tooth demineralization depends on the type of tooth you have. So what are the common filling materials?

　　1. Resin

　　It is a translucent solid that can be dissolved in water. It has a good effect after being used for resin filling, will not damage the tooth tissue, and has high hardness and wear-resistance, which is an ideal filling material. Disadvantages: easy to adhesion, not easy to clean, light color. It can be used for the restoration of various defects (pulpitis, apical periodontitis, etc.), but it is not suitable for the restoration of teeth with deep decay. Price: The material will vary depending on the part and type. Scope of use: It is suitable for patients with tooth demineralization, non-serious defects, and normal tooth hardness and morphology.

　　2. Glass ions

　　Glass ionic filling material is made of glass as the main raw material and uses ionic resin for filling restoration. The material is inexpensive and simple to make, making it the most widely used restorative material in clinical practice. The disadvantage is that because the resin used for glass ion filling is an amorphous substance, it cannot tolerate cold and heat stimuli, such as acid, cold, heat and other stimuli, and the use time is short.

　　3. Jinjing titanium filling

　　Jinjing titanium filling has the advantages of high strength, good toughness, no metal taste, strong corrosion resistance and crack resistance, and is a commonly used filling material in clinical practice.

　　4. Porcelain crown

　　It is made of metal materials to make porcelain crowns with good compatibility with human tissues, with good biocompatibility and oxidation resistance, and is the most advanced and reliable repair method at present. But the disadvantages of porcelain crowns are also obvious: low strength, heavy weight, high price. The restoration effect of the tooth defect is limited, and the margin part of the tooth after complete tooth loss cannot be repaired.

　　6. Calcium fluoride filling

　　The main ingredient is calcium fluoride. Fluoride is absorbed from the teeth through the method of filling, calcium fluoride has a good whitening effect, and does not cause tooth demineralization. It is suitable for: missing teeth, missing teeth after trauma, filling defects after caries treatment. Scope of application: Calcium fluoride is used for filling fluoride caries and cavities, and can also be used for filling dental fluorosis. Indications: fluorosis, mild to moderate fluorosis.

　　7. Zirconium fluoride fillings are the most commonly used materials.

　　Advantages: It can effectively prevent tooth decay, will not damage the gums, and can also repair the defected teeth, and can be used for a long time.

　　8. Porcelain inlay is the most widely used and effective method of filling teeth.

　　Because it has good antioxidant properties, and there will be no allergic reactions after use, the price is relatively cheap.

　　9. Bio-glass filling, that is, glass ion repair material, has the functions of anti-caries, protection of tooth tissue, etc., and has a certain aesthetics, and is widely used in the restoration and treatment of defective teeth.

　　The price of bioglass filling materials is generally about 10-50 yuan, while the price of resin filling is about 100-200 yuan, but due to the characteristics of resin materials, it is necessary to pay attention to avoid resin penetrating into the tooth tissue, so that the decay speed of teeth is accelerated, resulting in dental calcium deficiency.

　　10- Fluorinated resin.

　　Fluoride ions can form fluoride with calcium on the surface of teeth, preventing the calcification of tooth enamel. However, fluoride ions have a certain toxic effect on the human body and can damage human bones.

　　11-fluorinated resin is an organic polymer material with good biocompatibility and oxidation resistance.

　　It is mainly used for the restoration of missing teeth, which can be compatible with human tissues, non-toxic, and can be converted into non-toxic substances through biodegradation.

　　12-metal alloy composite, commonly known as all-metal tooth, metal crown.

　　It is a kind of restoration material, which is widely used in clinical practice and is the most widely used dental restoration material at present. The metal alloy composite has the advantages of good histocompatibility and biocompatibility with the tooth. At the same time, it has the strength, hardness and color characteristics of metal, which is an ideal dental restoration material. Metal alloy compounds can form a tooth-like structure in the mouth, allowing patients to receive treatment more comfortably and naturally. And it has good biocompatibility and aesthetics, compared with other restoration materials, it has obvious advantages, and is an ideal dental restoration material.

　　13- Carbon fiber (thermosetting resin): used in the manufacture of porcelain all-ceramic crowns.

　　The main disadvantage is that there will be local irritation after use, which will have a certain effect on the adjacent teeth.

　　14-metal inlay filling, also known as all-ceramic crown or full-crown restoration.

　　It is mainly suitable for anterior teeth, buccal and lingual defects and other conditions that require dental repair. Advantages: beautiful, color close to real teeth, no metal allergic reaction, long service life, no gingival recession, no irritation to adjacent teeth. Disadvantages: The color of the metal inlay is uneven and cracked.

　　Generally, the metal inlay is made of silver alloy for the full crown. Scope of application: Generally suitable for restoration treatment when the tooth color is required to be high, the aesthetics is high, and the color is inconsistent; For patients with large tooth defects and poor tooth color, all-ceramic crowns can also be considered for restoration.

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