A cavity that has rotted and emptied out a filling usually costs about $500-$10,000. 1. tooth decay has rotted empty usually indicates that the root of the tooth also exists the possibility of caries, tooth retention value is not great, the residual root can be extracted after the choice of invisible activity denture to fill a tooth, the price of its single is generally in the 500-1000 yuan. However, the stability is not high, more suitable for the elderly or suffering from heart disease and other contraindications to the use of patients, every night you need to take it off to clean and soak in cold water. 2. And better health patients can choose crown repair, its single price is generally about 1200-3000 yuan. It needs one missing tooth to fill three, so the total price of filling one tooth is around 3600-9000 dollars. Fixed restorations require a solid dental bridge on both sides of the missing tooth, and the dentin needs to be abraded to a thickness of about 2mm to facilitate the bonding of the artificial crown. The appearance and use are almost indistinguishable from normal teeth. 3. If the patient does not want to polish the neighboring teeth or require higher stability, on the basis of good health, you can choose dental implants to fill a tooth, the price depends on different brands, generally in the range of 4,000-10,000 yuan. It requires pioneering implant placement and 3-6 months of post-operative care before a crown can be worn, which is time-consuming. In addition, prices vary from person to person and regionally, so patients are advised to visit the hospital for consultation.