Just don't swollow anything
Yes, you can brush your teeth before a fasting blood test. However, make sure not to consume anything other than water during the fasting period, as even toothpaste can affect blood test results. It's best to follow the fasting instructions provided by your healthcare provider.
not while you are fasting, but you can use a sewak- something that looks like a stick but it is not and comes in many types of flavors and you brush your teeth with it and it whitens your teeth. You just have to put it in water until it becomes soft and you brush your teeth with it. The Prophet p.b.u.h. used it.
True fasting does not include anything, even water. If you are fasting for a blood test or before surgery, you should not eat or drink anything at all. If you're fasting for religious reasons, water should be fine but double check with your religious leader to be certain. Different religions have different rules.
You can use as much water as you want when you brush your teeth. The amount varies from person to person.
The amount of water it takes to brush teeth can depend on the person. The average person probably uses about a cup of water.
If we used hot water to brush our teeth, we could burn our mouthes and the water doesn't clean the stuff in our mouth.
About a half cup
yes
100 gallons
it may take up to 1 gallon to brush your teeth. However, you should save water by using a glass, if you did that, you would use about a seventh of that.
It is recommended that you rinse directly after you brush your teeth and drink water. Reasoning: Most toothpastes contain antifreeze and it wont harm you if you get rid of it immediately. So continue to brush your teeth just rinse.
we would have no water to drink to bathe in in brush are teeth