Question: The tow cements which hold with the tooth are_______________?
- 1. GIC and polycarboxylate
- 2. GIC and ZnPO4
- 3. ZnPO4 and silicate
- 4. GIC and silicate
Question: The logical explanation for the unique anticariogenic property of most silicate cements is______________?
- 1. The reduction in enamel solubility due to fluoride uptake by enamel
- 2. That beryllium flux is used in silicates
- 3. That silicates show very little leakage at the margins of the restoration
- 4. Due to the high silica content
Question: Thermal conductivity of which material is close to dentin____________?
- 1. Amalgam
- 2. Silicate
- 3. Composite resin
- 4. Cavity varnish
Question: Eugenol may be replaced in the zinc oxide eugenol cement by______________?
- 1. Acetic acid
- 2. Alginic acid
- 3. Phosphoric acid
- 4. Ortho-ethoxy acid
Question: Which of the following do polycarboxylate and GIC have in common ?
- 1. Polysiloxane
- 2. Phosphoric acid
- 3. Polyacrylic acid
- 4. Ion leachable glass
Question: Which of the following show chemical bond with enamel (Calcified tissues)______________?
- 1. Composites
- 2. Direct filling resins
- 3. Polycarboxylate cements
- 4. BIS-GMA resins in pit and fissure sealants
Question: Increased amount of powder in zinc phosphate cement mixture will cause_______________?
- 1. Decreased strength
- 2. Decreased film thickness
- 3. Decreased solubility
- 4. Increased setting time
Question: The temperature (in °F) of the mixing slab for silicate cements should be_____________?
- 1. 55 – 65
- 2. 65 – 75
- 3. 75 – 85
- 4. 85 – 95
Question: Which one of the following dental cement accelerates the formation of reparative dentin ?
- 1. Eugenol
- 2. Calcium Hydroxide
- 3. Zinc oxide
- 4. Silica
Question: Fluoride rich materials include ?
- 1. Silicate cement
- 2. Glass ionomer cement
- 3. Polycarboxylate cement
- 4. All of the above