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I had 8 lumineer veneers placed on my top teeth about 4 weeks ago. My dentist placed 3 of the front veneers with different shades of bonding for my approval before final placement. We looked at them in three different lights and I picked the one I liked best. He placed them all and although I thought them to be a little bulky I loved the color. He told me that we could shorten and round them a week later at my follow up visit but that he wanted me to wear them for a week to get used to them before making any changes. A week later I still thought them to be a little bulky and long and asked him to shorten them and round them. When I left the office on the second visit I was overall very happy with the look and again still loved the color. After a day or two I started to notice that two of them started to look gray. I also noticed that these two no longer had the same shine the others had. A few more days have past and now 6 of my front 8 teeth look gray.Why is this happening?

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Female, Age: 40, California

Customer (name blocked for privacy)

Status: Closed Value: $15

Hello,

Although the skillful application of premium porcelain veneers can endure for up to 10 or more years, reports of veneers failing, cracking, popping off and turning gray within a few short weeks are not uncommon.

Usually, when a tooth turns quite a bit darker right after bonding veneers, it's because of a chemical that the dentist uses that has iron in it. The most popular brand name is Viscostat. There is an interaction between that chemical and the bonding chemicals that causes a dark stain on the tooth that develops under the veneer after it is bonded.

I'd ask the dentist whether any of iron chemical such as Viscostat, ferric sulfate or others, were used in taking your impressions. If so, the only way to get rid of the discoloration is to take the veneer off and clean the tooth off with concentrated hydrogen peroxide. Then a new veneer needs to be made and bonded on.

I would suggest that you make an appointment to return to your dentist as soon as possible so he can document the disortion and decide what should the next step should be.

Reply to Deborah's Post: So if this is the case, will they continue to get darker if they are not removed? I have the bottom set going on next Tuesday and although I called to get in earlier to have the gray teeth checked, he asked me to wait so that he could address everything at one time. I'm not even sure if I want to have the bottom ones put on now, and if what you say is true, will the same thing happen to the bottom set after they have been set?

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