Cement

Cements are used in dentistry for two primary purposes: as restorative filling materials, and to retain restorations or appliances in a fixed position within the mouth. In addition, certain cements are used for specialized purposes in the restorative, endodontic, orthodon-tic, periodontic, and surgical fields of dentistry. The following is a classification* of selected dental cements, based on their chief chemical ingredients and application; click on the link for each type of to view a description and demonstration of the procedures for mixing and applying these cements for use in restorative dentistry to protect the pulp in a cavity preparation when necessary.

Calcium Hydroxide
Low-strength bases

Glass and Hybrid Ionomers
Class 5 restorations
Retention of alloy restorations
High-strength bases
Provisional restorations
Retention of orthodontic bands

Zinc Oxide-Eugenol
Low- and high-strength bases
Provisional restorations
Temporary and permanent retention of restorations

Zinc Phosphate
Retention of alloy restorations
High-strength bases
Provisional restorations
Retention of orthodontic bands

*taken from Craig & Powers, Restorative Dental Materials, 11th ed. Chapter 20, pg. 594.

For more information about cements see:

· Craig & Powers, Restorative Dental Materials, 11th ed. Chapter 20.

“Current Status of Dental Luting Cements” (US Air Force Dental Investigation Service)