Please look at the first part of the article which referenced variability from decade to decade which in itself is highly variable. (wattsupwiththat.com)
The condition of your teeth and gums is associated with a host of other health issues that involve your hormones and your heart, and your dental needs can change from decade to decade. (health.com)
So these ifs really don't mean anything because the variation from year to year or even decade to decade does nothing to disprove the larger warming trend. (dotearth.blogs.nytimes.com)