Temporary dental crowns - Precautions you should take
Generally speaking, properly executed provisional crowns rarely fail. Loss or fracture is usually associated with deficiencies involving either the tooth's preparation (shape) or the temporary's construction.
It would be our conjecture that due to the throw-away nature of these restorations, taking shortcuts when making them is relatively commonplace. The good news being that your permanent crown is unlikely to suffer from these same deficiencies.
A temporary dental crown is usually cemented using "temporary" cement, so it can be removed easily at that appointment when your permanent one is placed.
And since this kind of cement is not as strong as others, your dentist will probably recommend that you take the following precautions. (Ask them if there are any other steps that they feel are important for you to take too.)
1) Favor the side of your mouth that has the temporary.
There's no need to look for trouble, so give your temporary crown some consideration when eating. As much as possible, shift the bulk of your chewing activities to other areas.
2) Keep sticky foods away.
Anything sticky (caramel, chewing gum, etc...) has the potential to grab onto your temporary crown and pull it off.
3) Avoid hard foods.
Exceptionally hard foods, such as raw vegetables (carrots), can break or dislodge a temporary crown.
4) Be careful when you floss.
A tooth with a temporary can usually be flossed in normal fashion, with the following consideration.
When finished, it may be best to remove the floss by way of letting loose of one end of it and then pulling it out to the side. Pulling the floss back up and out in normal fashion might snag the edge of the crown and pull it off.