if you are drinking water yes, but anything else like soda or coffee you need to take it out.
Most of the time its just clear plastic jewelery.
Clear retainers work well. However, you may not have the choice of using one. Your orthodontic doctor will determine the best retainer to use on your teeth. If you get a clear retainer be certain to keep it clean as you are instructed to do and keep it in a case with your name and phone number on it in case you lose your retainer.
If you thought "retainer", retainer is a custom-made device, made usually of wires or clear plastic, that hold teeth in position after surgery or any method of realigning teeth. Hope it is what you've seeking for, ZyNiX from cyberfish.110mb.com
Yes. Ask your piercer for one. Most places have glass retainers in stock.
A clear piercing retainer
When you go to get it pierced, as your piercer to use a clear glass retainer instead of a curved barbell. Don't use plastic or any type of organic. Glass is a very good material for initial jewelry.
You can use a piece of retainer jewelry made of plastic or silicone to keep the hole from closing without having a tongue ring in place. Alternatively, you can visit a piercing shop and ask them to insert a temporary acrylic or glass retainer that will maintain the hole until you can reinsert your tongue ring.
Not plastic/acrylic, its too porous for a new piercing. You can probably get glass though. Glass at smaller sizes is very fragile though. Bioplast is another option but its not as clear as glass.
clear retainer
Clear plastic is waterproof.
polycarbonate is the strongest clear plastic.
You don't. The only real thing that you can do to "hide" it would be to wear a clear retainer, but this will be an obvious rod of clear plastic through your lip. The only other alternative would be to leave it out, and with it new, the piercing will shrink up super quick.