Application of piezosurgery combined with contra-angle high speed turbines in extraction of impacted mandibular teeth

ObjectiveTo investigate the application in minimally invasive extraction of impacted mandibular teeth by using piezosurgery combined with contra-angle high speed turbines.

MethodsEighty-four eligible patients were selected and randomly divided into piezosurgery, contra-angle high speed turbines, and the combined groups, with 28 cases in each group.The impacted teeth of the three groups were extracted by contra-angle high speed turbines, piezosurgery, and piezosurgery combined with contra-angle high speed turbines, respectively.The operation time, postoperative pain degree within 24 hours, mouth opening degree, and postoperative swelling degree of patients were compared among the three groups.

ResultsThe operation time of patients in the combined group was shorter than that in contra-angle high speed turbines and piezosurgery groups (P < 0.05).Twenty-four hours after the operation, the VAS score of the combined group was lower than that of the contra-angle high speed turbines group (P < 0.05).There were statistically significant differences in postoperative pain degree, mouth opening degree, and postoperative swelling degree among the 3 groups (P < 0.05), and the combined group was better than the other two groups.

ConclusionsPiezosurgery combined with contra-angle high speed turbines can shorten the operation time of teeth extraction, improve teeth extraction efficiency, reduce the postoperative reaction, and improve the comfort of patients.