it almost doesnt make sense to say the canned foods can rot teeth. this theory is like saying that if we chew pretzels are teeth get cleaned. there is actually nothing in canned foods that promote teeth rotting. dry foods may provide a small amount of abrasive action on the teeth but cats who eat canned food are not more likely to get rotten teeth than cats that eat dry are. especially if the cat eats both dry and canned, if the dry cleans the teeth wouldnt the tarter caused from the canned be scrapped away? if you are really worried about your cats teeth i wouldnt avoid canned food, i would brush the cats teeth and/or keep up with dental cleanings at the vet. beside urinary tract infections occur most often when cats dont drink enough water and my cats dont seem to drink much of it so i feed them 50% canned and 50% dry. there was even an article in one of my cat fancy magazines on canned foods stating something in the effect of this. these are just my thoughts and my opinions. i would like to hear others opinions on this. also, here are some links.
http://cats.about.com/gi/dynamic/off...andkibble.html
http://www.api4animals.org/doc.asp?ID=689
http://cats.about.com/gi/dynamic/off...andkibble.html
http://www.api4animals.org/doc.asp?ID=689