When found to have caries bad to fillings as soon as possible, otherwise it will need to be pulled out a tooth, the tooth is not renewable, once removed will not be able to recover, so filling reciprocated.

      Generally speaking, there are three levels of tooth decay, superficial caries, caries, deep caries. When filling only superficial caries removal of enamel, without touching the tooth nerve, this time is not painful.

      When the cavities developed to caries in the state, this time a depends on the specific circumstances, if from the pulp is very close to the need to do at the bottom, and then filling. In a state of decay, high levels of dental doctors in the removal of damaged teeth when very precise, will not hurt the pulp tissue, if the doctor level is not high enough, it is easy to hurt the pulp, causing serious consequences.

      As cavities to the development state of deep caries, tooth on the doctor's supplementary requirements higher, this time filling requirements of dental practitioners with rich clinical experience, the first diagnosis of dental pulp infections. If the infection need to do root canal treatment, and then filling.

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