The cost of extracting a rotten back tooth usually ranges from 300 to 1,000 dollars, which is mainly related to the difficulty of the procedure, the size of the hospital, and the local economic level. 1. If the tooth is loose and more serious, it is easier to extract and usually costs around 300 dollars. 2. If the tooth has an obstruction, it is more difficult to extract, and you also need to consider the suture after extraction, the cost is usually around 1,000 yuan. In addition, the cost may be higher in high-level hospitals in developed areas. The patient’s diet after surgery should be soft, fluid or semi-fluid, while the patient should pay attention to oral cleaning after meals, should avoid hard texture, too hot, too cold stimulating food, and should avoid smoking and drinking or eating stimulating food. Specific price patients should go to the local hospital for consultation, and pay attention to post-operative care.