About ten years ago, I had four porcelain crowns placed for a smile makeover. One of them had always had what my dentist called a craze line, but it was never a problem. Now, I can see it as a horizontal crack. I can also feel it with my tongue as well. I am worried this is going to break. Should I get this replaced? Is it a dental emergency or do I just schedule a regular appointment?
Laura
Dear Laura,
I’m glad you wrote. While craze lines are usually harmless, your dental crown has obviously changed. Given that you can feel and see a crack, it is very likely to break at some point. I would not consider it a dental emergency, but I would schedule an appointment. That crown will need to be replaced. While you are there, you can have the dentist check out the other three crowns to see what kind of condition they are in.
If they’re fine, then you have a couple of options. You could just replace all of them at the same time and get it over with. Or, you can simply replace the one with the crack and then leave the others to replace one at a time when they live out their lifespan.
I am curious as to why your dentist suggested porcelain crowns for your smile makeover. The typical procedure for a smile makeover is to have porcelain veneers placed. Was there some structural damage to your teeth or some other reason for your dentist suggesting using crowns instead?
Some dentists who do not have serious training will point patients to a procedure they are comfortable with. Every dentist studies dental crowns. Unfortunately, even though it is a massive overtreatment, you will always have to have crowns on those teeth. There is not enough structure left for your dentist to place porcelain veneers.
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