1. Use of optical standards for determining wear of posterior composite resins;Gerbo;J Esthet Dent,1990
2. Posterior composite resins: the materials and their clinical performance;Leinfelder;JADA,1995
3. Five year clinical evaluation of composite resins in anterior and posterior teeth;Leinfelder;J Oper Dent,1989
4. Evaluating a microfill posterior composite resin: a five-year study;Mazer;JADA,1992
5. One-year clinical evaluation of SureFil packable composite;Perry;Compend Contin Educ Dent,1999