Mixed Signals

Yesterday I went out to the garage and stepped off the rugs to look at Barney. (We bought a little radiator for him and set up a little box with a towel in it so he can stay warm out there.) As I stepped onto the cold garage floor I thought I had stepped in water. I looked down at the floor and it wasn't wet so I checked the bottom of my sock to see if it was wet and saw that there was a hole in my sock. I thought it was funny that my brain registered "wet" instead of "hole in sock."
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That reminded me of something that happened years ago. In the early 90's I had a terrible ache in my upper left jaw and went to the dentist. The dentist examined my mouth and told me that my teeth were fine. He said that I probably had a sinus infection. He also told me that the same nerve is used for sinuses and upper back teeth. I did not know that. So I went to the doctor and yes I had a bad sinus infection and my doctor fixed me up with meds.
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About 3 or 4 years later I got the same thing and went to the doctor. The doctor examined me and told me my sinuses were fine and that I probably had a tooth problem. He told me that the teeth and sinuses use the same nerve. I knew that. So then I went to the dentist and he told me I had a bruised tooth nerve caused by biting onto a bone chip or something hard. I had never heard of that. Anyway I was thinking about all that and wondered what I would do if I ever had that pain again. Would I go to the doctor first or the dentist? I guess I'd just flip a coin.