γγOn the question of whether it is good to live pulp or dead pulp when porcelain restoration, there are different views in the restorative dentistry clinic, but in recent years tends to the following views: 1, if the affected tooth is still live pulp after the completion of treatment in other departments, can first not kill the pulp, direct porcelain tooth preparation; 2, if the porcelain restoration treatment process has been kept live pulp and; (1) no symptoms of pulp inflammation, can live pulp bonding restorations, the prognosis is better Better; (2) the symptoms of pulp inflammation, the first must be perfect root canal filling treatment, after the basic disappearance of the root filling reaction and then bonding restorations, the prognosis is also better.γγ3, for the location of the abnormal or the tooth body long extraction direction of the abnormal degree of the affected teeth can be pre-killed according to the cosmetic needs, because after killing the pulp and perfect root canal treatment of the tooth does not have the risk of pulpitis after porcelain restoration, if the patient himself requests, can also be killed first and then restoration.