Remember Alicia Silverstone? I give her kudos for vowing to live The Kind Life and all…but there’s a wildly good chance that girlfriend’s putting her adorable little son, Bear Blu, at big risk for cavities. (Sorry, sister! The only reason I’m calling you out as being clueless about cavities is because, up until a few days ago, I was too.) Now, I know what you’re thinking. You’re thinking, “Where’d she come up with that name for her kid?” (No, you’re too grown-up to judge, right? Of course, of course, me too!) No, what you’re really thinking is, “Old news!” because you’ve already seen the video of Alicia swapping spit with her son in an attempt to help him chew up his food—you and at least 169,000 other people, according…