R.L.
I used to work for a dentist that reccomended sealants. My teeth have always been in pretty good shape, but I have had cavities in my molars, and never had sealants.
My son just had his molars sealed. It took about 30 seconds and they are dry immediately. He was extremly well behaved at the visit and was not uncomfortable at all. I have seen sealants work for patients and I'd rather be safe than sorry, cavities can be expensive and painful so I'd rather not take a chance.
Just my 2 cents!