I got the same advice as my fellow David, and I use the Prevident only at night in the trays. The rest of the time I HAVE BEEN using Biotene (R.I.P.) and will now looking for alternatives while watching my dwindling supply run out.

David 2
SCC of occult origin 1/09 (age 55)| Stage III TXN1M0 | HPV 16+, non-smoker, moderate drinker | Modified radical neck dissection 3/09 | 31 days IMRT finished 6/09 | Hit 14 years all clear in 6/23 | Radiation Fibrosis Syndrome kicked in a few years after treatment and has been progressing since | Prostate cancer diagnosis 10/18