First, for the cost of the problem, in different areas, different levels of hospitals, public or private oral health care institutions, the price is slightly different; second, for the filling of this problem, generally speaking, simple tooth repair is cheaper, even in the public three hospitals, the cost of filling the tooth in general is also in the 200-300 yuan; third, if you have determined that there is a wormwood tooth, that is, caries must be filled as soon as possible, because if not repaired as soon as possible, caries will further develop and gradually form pulpitis, pulpitis further development may form periapical periodontitis, periapical periodontitis and pulpitis. Third, if it has been determined that there are dental caries, it must be filled as soon as possible, because if it is not repaired as soon as possible, dental caries will further develop, and gradually form pulpitis, pulpitis further development may form apical periapical inflammation, jaw bone osteomyelitis, peripheral gap infection and a series of diseases. This is in fact the same as we usually see a doctor, a small disease does not see, will develop into a major disease, a small disease does not cost money, for the more serious disease will need to spend more money. So for the early stage of dental caries, you should go to a professional dentist as soon as possible for caries decalcification and filling treatment, which is the most sensible choice.