Question
Posted on: March 6 2013Dental 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.
- 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
- 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.