Quantitative Evaluation of Proximal Contacts in Posterior Composite Restorations Part I. Methodology

An in vivo method of quantitative measuring intertooth distance before and after placement of a Class 2 composite resin restoration has been developed. A Kaman Sciences KD-2611 non-contact displacement measuring system with a 1 U unshied sensor, based upon the variable resistance of eddy current, was used for the intraoral measurement. Quantitative evaluation of proximal wear, therefore, can be made preoperatively, postoperatively, and at subsequent recall interval for posterior composite resin restorations.