yep, you can run it up and set your cool time around 4 mins. To be honest though, I wouldn't do it without calling the doctor letting him know that the bridge will most likely blow up (porcelain bubbles). Most times a porcelain bridge will be contaminated with saliva when it's been in a patients mouth for any duration. So what I usually do, is put it in the oven on 300 degrees Celsius all night. Then run it up on a glaze cycle on low fusing cycle, then work my way up. Like I said before though, it usually bubbles up and then you have to make a new one. You could always make a porcelain facing/veneer to go over the fractured part.
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