The last time I thoroughly cleaned my Taylor 214ce-SB DLX, I used toothpaste to polish the frets. I got lazy towards the end and stopped taping off the wood, resulting in toothpaste getting into the grain of the wood and the edges of the frets (see photos).
I'm wondering how I can safely get rid of the toothpaste residue. In a thread about a similar issue, one of the recommendations was to use mineral spirits and a new toothbrush. Would that be okay to use on an ebony fretboard? (I realize that it could dry out the wood at least a little, so I'd definitely follow up with Dr. Duck's Ax Wax.)
If that's not a good suggestion, what would be the best way to go about solving this problem?