 "Above & Beyond" Member (300+ posts)
Joined: Apr 2004 Posts: 837 | Edd,
I've never heard of using them all night. For one thing, you're generally not supposed to swallow any of the types of fluoride that I've seen (and I don't know how you could go all night without inadvertently swallowing some of it). I've been told to use them anywhere between 10 and 30 minutes at a time.
Cathy
Tongue SCC (T2M0N0), poorly differentiated, diagnosed 3/89, partial glossectomy and neck dissection 4/89, radiation from early June to late August 1989
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