Wednesday, January 17, 2024

in mean of compressive strength ,tensile strength which is strongest.. resin cement

in mean of compressive strength  ,tensile strength  which is strongest:

  • A- resin cement***
  • B- zinc phosphate
  • C- G.I

The correct answer:

The answer depends on whether you're asking about compressive strength or tensile strength:

Compressive Strength:

  • Strongest: Resin cement generally has the highest compressive strength, ranging from 100 to 200 MPa. This means it can withstand a significant amount of pressure before breaking.
  • Intermediate: GIC (glass ionomer cement) comes next with a compressive strength of around 80 to 120 MPa.
  • Weakest: Zinc phosphate has the lowest compressive strength, typically around 60 to 100 MPa.

Tensile Strength:

  • Strongest: Resin cement also wins here, with a tensile strength of around 20 to 50 MPa.
  • Intermediate: GIC again falls in the middle with a tensile strength of about 5 to 10 MPa.
  • Weakest: Zinc phosphate has the weakest tensile strength, usually around 4 to 8 MPa.
Therefore, depending on the specific property you're interested in:
  • For compressive strength, resin cement is the strongest.
  • For tensile strength, resin cement is also the strongest.

Various factors:

However, it's important to remember that the choice of cement depends on various factors, not just strength. These include:
  • Application: Different cements are better suited for specific uses, such as crown cementation, fillings, or luting.
  • Durability: Some cements wear down faster than others.
  • Bonding: Some cements bond better to specific tooth structures.
  • Cost: Resin cements are generally more expensive than zinc phosphate or GIC.
It's always best to consult with a dentist to determine the most appropriate cement for your specific needs based on the application and desired properties.