Clinical Update Naval Postgraduate Dental School National Naval Dental Center Bethesda, Maryland Vol. The purpose of this Clinical Update is to examine the advantages, disadvantages, latest methods, materials, recommendations, and indications for use of direct posterior resin composites, with emphasis on the importance of proper case selection.
Rubber dam is isolation of choice.
In a box preparation, extend only far enough buccally and lingually to remove caries or previously placed restoration. Follow directions of system carefully to achieve best results. Clear matrix bands aid light curing in interproximal areas from multiple directions and can be used with transparent reflecting wedges. Prewedging aids in adequate proximal contact development. Use of microfilled composite resins developed for anterior teeth in posterior teeth has been less than successful due to problems with accelerated localized wear.