Crown doesn't cover my whole tooth. Should I ask for a new crown? Is this normal? (Photo)

It's difficult to tell from the photo you have provided, but it seems that the margins are sealed and that you have a little gum recession on the back of your tooth.  I would go back to your dentist and have them check to make sure the margins of the crown are sealed properly.  If they are, y...

Hi:In my experience with clencher and grinders, after any dental work even a simple filling, more clenching and grinding is activated for the period 2-4 weeks.  Wearing a nightguard is one way of controlling this process.Best,Dr. Maddahi

Well, Dear sorry to say but they are looking wired in pictures and even noticeable. If you are not feeling comfortable then ask your dentist to change the crowns.