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Question

Posted on: March 6 2013

Dental gel with NaF has insufficient viscosity NaF 1g sodium phosphate 380mg potassium dihydrogen phosphate 180mg methyl hydroxypropylcellulose 2g methylhydroxybenzoate 100mg demineralised

Water up to 100ml < br/>

Answer

There are multiple solutions. The choice depends on your range of raw materials and the intended application.
  1. one opt for a gel without any cleaning so only as a fluoride source then you can increase the amount of HPMC 4000 to 3.75 g
  2. You also want some cleaning then you can opt for the addition of SiO2 Coll +/-8% and SiO2 Praecip. +/-10%: best with The half concentration begins to see which viscosity is obtained.