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Dental Biomaterials (The Tooth (Enamel (Hard, Produced by ameloblasts…

- - - - Can be filled with debris after
        drilling (removed with acid)
      - Can be used to adhere to materials
  - - - Neural crest lineage
      - Bone, fat, cartilage
- - - - Ag, Hg, Sr, Cn
      - Strong adhesion
      - Doesn't look nice
    - - BisGMA
      - TEGDMA
      - UDMA
      - BisEMA
      - Inorganic fillers
      - Polymerised in situ with blue light
      - Shrinkage - pulls at surrounding structures
  - - - Decayed tissue is drilled out
      - Dentine tubules are
        maintained if possible
        
        Removal of degradation process
        
        Promoting healing
      - Glass ionomer cements form pulp cap
      - Acid treatment liberates
        ions from glass
      - These act as polymer cross-linkers
    - - Can be cytotoxic
      - Takes a long time to polymerise
    - - Calcuim hydroxide
      - Mineral trioxide aggregate
      - Biodentine
      - All highly basic
  - - - Remove central enamel and dentine
      - Remove all pulp tissue
      - File cavity
      - Fill with gutta-percha
      - Place post to support crown
      - Place crown
    - - Natural rubber
      - Malleable
      - Bioinert
- - - - Elastin-like recombinamers
  - - - incorporated into sponge
      - Implanted
      - Activate a specific differentiation pathway
      - Encouragement of dentinogenesis
- - - - Thiol-ene crosslinked triacrylates
    - - Fast bulk curing
      - Mechanically robust
      - Step-growth polymerisation
        
        No residual monomer
      - Regenerative
  - - - Dental material placed in contact w vital tissue
      - Check polymerisation and integrity
      - Compare to other products