10 Questions
What type of cement is recommended for a short span?
Polycarboxylate
Which cement is known for its fluoride ion release and adhesion to tooth and metal?
Conventional Glass Ionomer
What type of cement is recommended for a deep preparation?
Adhesive composite resin
Which cement is known for its high strength and esthetics?
RelyXTM Veneer Cement
What type of cement is known for its low marginal solubility?
RelyXTM Luting Plus
Which cement is known for its ease of use and least postoperative sensitivity?
RelyXTM Unicem
What type of cement is recommended for a temporary phase till permanent cementation?
Reinforced zinc oxide and eugenol
Which cement is known for its high adhesion and no etching required on dentin?
PanaviaTM F
What type of cement is known for its high strength and low solubility?
Variolink II
Which cement is known for its capsule delivery system?
RelyXTM Unicem
Study Notes
Cements in Fixed Prosthodontics
Permeant Cements
- Zinc phosphate cement
- Zinc poly carboxylate cement
- Glass Ionomer Cements
- Resin cements
Temporary Cements
- Ideal characteristics:
- Easy removal of excess cement
- Good marginal seal to minimize sensitivity
- Good retention but easy removal of the temporary prosthesis
- Low solubility in oral fluids
- Types of temporary cements:
- Zinc oxide eugenol (ZOE) cement
- Zinc oxide non-eugenol temporary cement
- Glass ionomer temporary cement
- Polycarboxylate cement
Zinc Oxide Eugenol (ZOE) Cement
- Presentation forms:
- Powder: Zinc oxide, magnesium oxide, zinc acetate-accelerator
- Liquid: Eugenol, olive oils, acetic acid-accelerator
- Material's properties:
- Biological characteristics:
- Bacteriostatic
- Low thermal diffusivity
- Obtunding effect
- Sealing ability
- Mechanical characteristics:
- Weak cement
- Esthetic characteristics:
- Opaque
- Biological characteristics:
Applications of Adhesive Resin Cement
- Cementation of:
- Cast crowns and bridges
- Porcelain crowns, bridges, veneers, inlays, onlays, endocrowns, and occlusal veneers
- Fiber Posts
Mode of Setting
- Self-cured resin cements
- Light-cured resin cements
- Dual-cured resin cements
Applications of Different Cements
- Porcelain fused to metal crowns & FPD: All cement types can be used
- All-ceramic crowns, inlays, and onlays: Adhesive resin cement
- Porcelain veneers: Light-activated adhesive resin cement (Total etch)
- Zirconia substructure core & restorations: Self-adhesive resin cements containing MDP
- Ready-made post cementation:
- Metal post: Zinc phosphate cement
- Fiber post: Express dual-cure adhesive cement
- Cementation of a restoration to a core material:
- Amalgam core: All cements can be used
- Composite resin core: Composite resin cement
- Glass ionomer core: Glass ionomer cement
- Custom post and core:
- Base metal cast core: Adhesive composite resin cement
- Zirconia core: Adhesive composite resin cement
- Long-span FPD in high-stress areas: Glass ionomer, RMGI, Adhesive resin cement
- High caries index patients: Glass ionomer cement
- Hypersensitive vital teeth: Zinc polycarboxylate or reinforced zinc oxide and eugenol
- Young age with large pulp chambers/difficult moisture control: Zinc polycarboxylate or resin-modified glass ionomer
- Deep preparation: Polycarboxylate or reinforced zinc oxide and eugenol
- Cementation to a questionable preparation (short, over-convergence): Adhesive composite resin cement
This quiz covers different types of cements used in fixed prosthodontics, including permeant and temporary cements, and their composition. It is a part of the Prosthodontics department course.
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