Recently, I had my wisdom teeth out. Then things started to get… strange. Naturally, when faced with any kind of medical dilemma, I turn to the open, loving arms of the Internet. However, even the sage guides at Yahoo! Answers couldn’t tell me exactly what a “sinus communication” was. So for posterity, I’ve decided to illustrate it here as I understand it. Come forth, seekers of knowledge. Learn from my trials.