Accuracy of model surgery: Evaluation of an old technique and introduction of a new one

摘要: This article evaluates the ability of 4th-year residents to accurately perform maxillary model surgical repositioning in conventional manner. Using a special surgery--measuring platform, measurements dental casts were recorded before and after surgery was performed by 20 bimaxillary cases. The usual manner described several texts, using reference lines scored on made incisal pin upper member articulator. Analysis differences between planned movements postsurgical position showed statistically significant errors for all measures. indicates that which residents, as reported literature, inaccurate. A new technique instrument more recording cast is introduced.