can i have veeners fitted over porcelin crowns for wonky teeth

Q. Hello i was wondering could you please give me some advice? i have 2 crowns as my 2 front teeth is it better to have full porcelin crowns fitted or just have veeners fitted over the exsisting crowns? also i have a wonky tooth beside my front 2 teeth is a veener the best option? and is it best to have tooth whitenening done after veenvers and crowns are fitted and how long do veeners last do they last longer than porcelin crowns? thanks you for your time.

A. Dear J,

Thank you for your questions . Answering them in order:

1. On the whole I would recommend new crowns instead of veneering existing ones. The simplest treatment is usually the best. Veneering over existing crowns can lead to cosmetic failure.

2. When treating relatively healthy poorly positioned teeth the first choice of treatment is a brace. I this is not acceptable to you then a veneer would be the best option over a crown. Veneers require considerably less tooth removal over a crown to get a wonderful aesthetic result.

3. Tooth whitening should be done before veneers and crowns are made. A settling of the colour over 2 weeks should also be allowed to take place prior to taking the shade for the new restorations.Be aware that if you do bleach that you will have to keep bleaching topped up whilst you have the veneers / crowns in your mouth.

4. Survival rate of any dental restoration is usually measured over a 5 year period. By far the majority of veneers last this amount of time and usually considerably longer. I have been fitting veneers for 14 years in my current practice and have a success rate of approximately 98%. This is provided they are correctly maintained by the patient and that the patient sees us for regular oral health evaluations on a regular basis.

5. When comparing veneers the porcelain crowns the survival rate is similar.

Hope this helps,

Regards,

dr julian caplan

Dr Julian Caplan – Director on the board of the BACD

View My Profile Dr Caplan

November 26th, 2008 at 08:47 PM
Gavin Says :

Hi I was wondering you can on advise on my situation?

I opted for cosmetic dental surgery nearly 2 years ago to replace 4 front teeth to improve the overall appearance. The method used was CEREC which proved unreliable. After 2 fittings I walked away only to return after 6 months when a fracture appeared on one of the crowns. This was probably a result of my bite and I do recall not being able to bite down fully which I did mention this at the time.

A replacement crown was then fitted only to reveal a tooth which far from matched the others. It was then decided to replace all 4 which unfortunatly did not have the appearance one hoped. These were then removed and I was fitted with a porcelain bridge with a result I was finally happy with.

Unfortunatly 3 months ago a gap between my top two teeth appeared and has got progressively worse. When the bridges were first fitted make up was applied which has since fallen out and revealed these gaps. Even breathing in can cause discomfort which I assume suggests that the actual teeth are exposed and open to decay?

I contacted my dentist today who to be fair has said he will do everything in his power to correct the problem. My concern is I have started to doubt his ability and to be honest I’m not sure I want to go through the entire process for a 5th time which has been a huge inconvenience.

He said today that the problem appears to come only from the makeup which will be a simple fix. My concern is if he is thinking of applying make up again surely this is only a temporary fix to what could be an ongoing problem?

I was wondering if you have heard of anyone experiencing such problems in the past. Is this down to poor training, equipment or could it be me! The dentist I choose recently opened the cosmetic surgery in addition to a number of standard practices so is certainly not new to this.

Any advice you can give on my circumstance would be greatly appreciated. I am keen to get this resolved and would like to return with a professional opinion.

Thanks

May 20th, 2011 at 08:47 PM
Abby Says :

I am an expanded function dental assistant. I would like to open a small dental lab business. I would like to start by purchasing a cerec machine. Are dentists the only people allowed to purchase them? If not, do you think this idea can work? Do you know of any companies willing to help out with grants for dentistry? I live in the US and Im sure there are many restrictions on what I can and can not purchase. What would be your suggestion about what route I should take? I am 27 year old mother of two children so, I do not have alot of money to start my business. But, Im sure I could lease some equipment and use payment plans.

May 20th, 2011 at 08:47 PM
Chris Says :

Not sure I can help you out as you live in the US..try asking a dentist local to you

February 11th, 2015 at 08:47 PM
Rhianna Says :

Hi, I am hoping you may be able to give me some advice. I had an accident when i was 8 years old that broke my two front teeth and the nerves died, over time I have a number of caps and they all seemed to break or come loose. I had root canal on one of the teeth and the other is very thin and currently has a cap. I’m 17 now and for the past 5 or so years the shape and appearance of my teeth has really gotten me down, the crown is far too big and sits outwards and the cap it mishaped. I was wondering of it would be possible for veeneers to be fitted? And also if I could have them on the nhs?
Many thanks

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