I've never used vaseline to get rid of a blister ! All I do is use a pin to prick it then, using light pressure and a tissue, soak up the fluid that comes out. I leave it 'open to the air' - to let it dry out, then remove the 'scab' after a few days once it's toughened. The skin underneath always fades to normal.
Use an anti-fungal ointment (as used to treat athlete's foot) and Vaseline. Also, change your underpants daily.
Oragel or some type of Vaseline works best.
Neosporin
because your foot rubs against your sock or shoe the whole day the sweat forms a blister as a sign that your skin is irritant.
Put salt on a spoon and keep it on the blister for 30 sec and repeat 3 times
Vaseline salt water mix
A blister has clear fluid under the skin, and a blood blister has blood under the skin. If it's a burn, it's most likely a blister.
A wart or blister.
Coolidge
You probably won't be able to completely get rid of a blister caused by a temporary crown. You could call your dentist and see if they had any recommendation. You could use Orajel to help with the pain.
5 to 7 days.
To get rid of a blood blister you will either need a sterilized needle or some time. There are two good ways to do it, you can either pop it with the strealized needle or you can wait for it to go away. but that will take time. for it to go away it will take about a week or two.