How do I clean the germs between an expansion-retainer and my palate? [more inside]
posted by anonymous on Aug 9, 2007 - 7 answers

How do I fix the problem of bad breath from dry mouth (due to medication)? [more inside]
posted by anonymous on Dec 1, 2006 - 9 answers

Should I tell someone that they've got extremely bad breath--and if so, how? [more inside]
posted by Brian James on Sep 9, 2006 - 14 answers