That depends on the method you are using, and also the case of your teeth. I can tell you I had REALLY bad teeth and had braces for a little over 3 years.
Shouldn't take much time at all. Go to your county voter registration office and file for the correction. In states that use drivers licenses as registration cards, (motor/voter law) just file for a correction with the DMV.
Getting braces on your teeth will take around an hour. Depending on how much adjustment and improvement is needed on your teeth will change the amount of time you need braces. On average it takes around a year.
a long time.
Many teeth fall out each time a shark bites., so in a lifetime sharks have about 2000 teeth. But I think the megaladon has about as much as the great white does, only much bigger. (at a time).
If you have an overbite, and still wear elastic bands, the amount of time you have left can only be answered by your orthodontist. Not everyone's teeth move at the same rate or need the same amount of correction.
Before bed, after breakfast, and after lunch if you have time.
how to open master for correction at the time of voucher entry
It take a long time. You have to either get a BA in something pertaining to that field or preferably a MA.
the time is how much time i take to take a shower
If you eat too much ice teeth will be tiny. My neighbor does it all the time and his teeth are about the size of a piece of rice, length wise.
It depends on the health of the tooth. Teeth which have been neglected for long periods of time can be damaged by normal activity (e.g., eating). Healthy teeth which are brushed/flossed regularly can withstand a substantial amount of force without chipping. It is what teeth are meant to do.
Depending on the cause and severity of the mal-occlusion and the appliance used in treatment, a patient may expect correction of the condition to take 2 or more years.