no
32 when they are all in, but most people don't get all of them till they are about 21.If you have all your wisdom teeth, you should have 32.
Your orthodontist should be able to close all gaps and get your teeth to align perfectly
That all depends on the individual in question. My grandmother was 86 when she died, and she had all of her teeth intact.
A three year old should have 20 teeth. (They should all be in by the time he/she is two)
about 10 years old you should lose them all
None of a dog's teeth should be pulled at all, unless they are mouldy or infected, then expert medical attention should be sought.
Once all of your baby teeth have fallen out and grown in!
You should be able to remove the alternator bracket, on your 1995 Jetta, by removing the three retaining bolts. The bracket should easily come off.
In short, no. It depends on your age, by about 12 years old you should have lost all of your deciduous (baby) teeth, and your permanent teeth should all be there by about 17 years old with the exception of your 3rd molar (wisdom teeth) that usually come out between 17-25 years. Most people have 32 permanent teeth including the wisdoms, but some people don't get them leaving them with only 28.
Worms do not cause children to grind their teeth. You should speak with your child's doctor to find a remedy for the teeth grinding.
Staffordshire Bull Terriers should loose all of their milk/puppy teeth by the time they are six months old. After that, they should get their adult teeth which will not be replaced if they fall out in later life.
An o-ring goes around a bracket to keep the wire in place.