Application of Auxiliary Pole in Esthetic Prosthodontic Treatment of Posterior Residual Root and Crown teeth

Objective To evaluate the treatment outcome of the auxiliary pole in posterior teeth restorations after 6~15months.Methods Total 142 posterior teeth were chosed from 84 patients.They were divided into two groups.Experimental group were composed of 85 teeth.Control group were composed of 57 teeth.The teeth of experimental group were restored using the MACRO-LOCK POST ILLUSION and Auxiliary pole.The teeth of control group were restored using the MACRO-LOCK POST ILLUSION.Results were recorded after 6-15months.Results There was no a crown fall off or loosened in the experimental group,The success rate was 100.0%.There were one crown fall off in the control group,and there were three crown loosened.The success rate was 92.9%.The experimental group and control group have the significant differences.Conclusion The MACRO-LOCK POST ILLUSION and Auxiliary pole is a good effect of the posterior teeth residual root and crown restorations.