The prevident was a toothpaste thick texture which did not work well in my trays. I switched to Cypress 1.1 Gel and it works fine. although cypress also makes a 1.1 SF3000 that is a toothpaste also. My pharmacy used to mix them up and i had to complain
Charm


65 yr Old Frack
Stage IV BOT T3N2M0 HPV 16+
2007:72GY IMRT(40) 8 ERBITUX No PEG
2008:CANCER BACK Salvage Surgery
25GY-CyberKnife(5) 3 Carboplatin
Apaghia /G button
2012: CANCER BACK -left tonsilar fossa
40GY-CyberKnife(5) 3 Carboplatin

Passed away 4-29-13