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Dental Cement

Dr. Hicham Nuaimi
BDS. PGDip Implantology
PGDip Restorative Dentistry
Mclin in Operative and Esthetic Dentistry

ADA has teamed up to classify dental cements according to:

• biocompatibility
• safety
• effectiveness.
• has suitable physical properties for its intended use
Every cement must be assessed for its

2014

3 main Categories

ZNO E mixes on glass slab with spatula ratio (4 :1)

Characteristic

Bacteriostatic
Low thermal diffusivity
Water soluble
High sealing ability
Weak cement
Opaque

Indications

• Temporary cementation
• Temporary filling
• Indirect pulp capping
• Endodontic sealer
• Surgical pack

Zn phosphate mixes on glass slab with spatula liquid add in small increments

Characteristic

Stronger than ZOE and weaker than GI
Dycal requires before Zn Phosphate
Mechanical retained
thin mix dissolves more than the thick mix

ZINC POLYCARBOXYLATE CEMENT

Characteristic

insulate thermal and electrical irritations
Its strength is comparable to that of zinc phosphate cement
Chemically adhere
Ca(OH)2 liner is needed in deep cavities
More soluble in water than zinc phosphate cement

Thank you.

2014