Glass Ionomer

By Dr. Vishaal Bhat on Wednesday 2 July 2008 with 0 comments



-composition:

-powder: silicate glass (calcium, aluminum and fluoride)

-liquid polyacrylic acid

-compressive strength: 122-162 Mpa

-tensile strength: 12-17 Mpa



5 advantages to GI:

  1. high strength

  2. fluoride release

  3. adhesion to enamel and dentin

  4. biocompatibility

  5. low film thickness

3 disadvantages to GI:

  1. difficult manipulation

  2. moisture sensitivity

  3. can be dehydrated

Category: Dental Materials Notes

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