• This topic has 4 replies, 3 voices, and was last updated 4 months ago by Allen Ali Nasseh.
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    • #4168
      Allen Ali Nasseh

      In this final segment, Dr. Nasseh shares some thoughts and ideas for best use of BC Liner.
      [See the full post at: BC Liner, Conclusions and Clinical Tips (Part 8 of 8)]

    • #4364
      faymansouri

      I was wondering you never mentioned anything about the usage of primer while you using etch and bonding. Does that mean it can go into dentinal tubes due to yo fluidity? Please clarify.

    • #4370
      Allen Ali Nasseh

      @Feymansouri: You’re right. I wasn’t clear about that. In general, Etch/Prime/Bond with the Liner is one step. It’s included in the material. However, like all self etching materials, this combination is an average of the ideal properties of each of those steps. Therefore, while it does provide some etching and bonding on its own, in situations where enamel etching or bond strength is paramount (longer term applications) the use of conventional etching and bonding prior to placement is recommended for the highest material to dentin-enamel bond. Hope his clarifies. 🙂

    • #6540
      Jason Wu

      Hi Dr. Nasseh,
      I’m assuming BC Liner is a sort of RMGI type of material. Do you treat it more like a resin material and only rely on the glass ionomer self setting portion for reduced shrinkage? I ask because if you place bonding prior to using a glass ionomer like material, then you don’t get the glass ionomer chemical bond to dentin properties as you’ve placed bond over the dentin already. If isolation is not a problem, would you prefer using normal composite for transcrestal defects like from external resorptive lesions? And if the lesion is deep enough to stay sub sulcular, would you prefer to use BC putty to repair the lesion instead of using BC liner?

    • #6541
      Allen Ali Nasseh

      @Jason Wu: Yes, it’s basically a RMGI. And yes, if you want GIC bonding then no bonding agent is needed. It also self etching and self bonding. So you do get some resin bonding too. However, it’s not strong. So the application matters. If you want a very solid bond for most tensile strength then etch/bond as it will give you the maximum bond with bulk flow. But for most access fill applications it’s not needed; however you have to judge the quality of the dentin and it’s sometimes better to fresh up the surface with a bur after endo to avoid NaClO action on dentin throughout the procedure. Also, you have to place and make sure you wait at least 30 seconds before you attempt to light cure. Otherwise, premature light curing causes shrinkage! (so be careful with operatory and/or microscope light. Cheers!

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