The clinical Study in the use of the retainer in pulp chamber in the defect of the molar / 重庆医科大学学报

ABSTRACT

Objective:According to observe the 5-year clinical effect in the treatment of restoration of teeth with extensive de- fection through pulp chamber retainer,to discuss the usage and the defect of pulp chamber retainer.Methods:108 extensively damaged molars which had been finished pulp treatment were choosed.Retainers were fabricated correspond to the pulp chamber then full crow were factured.Results:108 molars were restored by full crown restoration with pulp chamber retainer,in which only 7 cases fell off.Conclusion:The retainer in pulp chamber can be used in the treatment of teeth with extensice defection and makes it easier in clinical operation.