No. When I was a child, fillings were routinely done without anaesthesia or numbing. It did hurt, but you could take it. Sometimes the Novocaine shot can be just as brutal.
Of course, those were also the days when you got a sugar candy treat on your way out as a reward for being good. We hadn't really made the connection between sugar and cavities yet. Things are better now on both scores.
This entirely depends on the cavity.
For most moderate size cavities, that don't go too near the pulp (blood and nerve supply to the tooth) you can actually have filled without anaesthetics. You would just feel the vibration and pressure of the drill, possibly a bit of sensitivity- but no sharp pain.
However if you have alot of toothache and it is a very large cavity, you may get pain on drilling.
The actual filling of a cavity with material is painless, obviously.
you get one for every cavity you have
You can get rid of a cavity by having the tooth pulled. If you want to keep it, you have to have it filled.
1 hour depending on how big the cavity was. Bst to ask the dentist when you get it filled.
A blastocoele is the fluid-filled cavity in the blastula.
A sinus is an air cavity in bone.
Mold
the bladder
The vacuole is a fluid-filled membrane-surrounded cavity located inside a cell
the cavity filled with grains of sand or clay.
A vesicle is a fluid, or air, filled cavity.
A blastocoel is the fluid-filled cavity in the blastula.
A blastocele is the fluid-filled cavity in the blastula.