My tooth is decaying and its very visible can it be filled or fixed? (Photo)

You need to go to your dentist and have him evaluate why your 2 front teeth are so translucent. Do you drink or have you eaten food that has acid like coke or lemon that might cause this erosion. You also need to have your bite checked because this may be causing the problem. If...

From the photo you provided it seems like part of a calculus(tartar)build up chipped of and NOT your tooth structure. You should see a dentist to examine and most likely go through oral hygiene treatment to remove all those build ups and make your gum and bone which are the foundation...

Hmm, if you don't see a dentist, you will have these dramas. You'd best see a psychiatrist to address your past experience and then see the dentist.