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Old 09-30-2011, 08:41 PM
 
Location: Ohio
10 posts, read 29,716 times
Reputation: 16
Default Lifespan of a Filling

What is the average lifespan of a dental filling, both amalgam and composite..

I have a mouthful and try to take very good care of my teeth. I'm just trying to plan ahead as some of them probably can't be filled again and I need to start a savings plan for implants.

My dad has had some amalgams since the late 60's when he was in service, but that seems like a rather long time. Just curious how long they tend to last.

Thanks in advance!
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Old 09-30-2011, 08:51 PM
 
Location: Wallis and Futuna
11,168 posts, read 14,269,996 times
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I've only had three fillings, all of them were done before I was 12. I'm 50 now. All three fillings are metal. They are all on my lower teeth, on molars. I -have- had decay in two upper teeth but they were dead teeth that had been previously capped, and had to be removed and bridged.
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Old 10-01-2011, 09:38 AM
 
420 posts, read 1,256,320 times
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Depends on how well you take care of them and how well they were placed. Alot of people sit in my chair and want the white fillings, which is fine because I mostly do the white fillings anyhow. But every once in awhile I'll have to, yes I'll have to do an amalgam. When you place those white fillings you can't have any contimination in the preparation, meaning now saliva or blood or anything else. It should be absolutely spotless before starting to etch, bond, and then composite. Sometimes I'll rinse the prep with chlorhexidine before placing the composite to clean the preparation better. Sometimes though the preparations go near the gumline and it's hard to maintain moisture control, thereby using an amaglam wouldn't be a bad idea. I have amaglams in my mouth and unless there's a problem, which there isn't, they aren't coming out. One of my old instructors once told me, if it was placed properly and doesn't get any secondary decay, it should last until your grave! Hope this helps.
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Old 10-01-2011, 06:53 PM
 
Location: Ohio
10 posts, read 29,716 times
Reputation: 16
If the top portion of a filling goes bad does the whole filling need to be replaced or just the decayed portion?

I have several teeth with deep fillings and wonder if they can ever be filled again if needed or will I loose the tooth.

I try to limit my snacks between meals and brush/mouthwash after each meal. Floss once daily.
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Old 10-01-2011, 07:10 PM
 
Location: Wallis and Futuna
11,168 posts, read 14,269,996 times
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Not sure what you mean. Fillings don't have top middle bottom. It's a filling, or it isn't a filling. If your filling comes loose or falls out, it has to be replaced. The whole thing. You can't plug a fresh filling over a years-old filling. You -can- replace fillings, without replacing the whole tooth. It depends on whether or not there's further decay in the tooth.
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Old 10-03-2011, 02:58 PM
 
420 posts, read 1,256,320 times
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Hmmmm.... be careful what you're saying about not being able to put a fresh filling over an existing filling, be very careful how you say that. It all depends on the filling and yes there is a top, middle and bottom if you break the restoration down into thirds. For example, if someone came in with a very large restoration that was encroaching the pulp tissue and the top portion of the white filling (composite) chipped away, you certainly can bond another white filling on top of the existing white filling, what made you think you couldn't do that? In fact, if it's encroaching the pulp you had better leave well enough alone or else you'll be asking for trouble. Now if there's decay underneath the existing restoration and the whole thing needs to be replaced, then replace it, no doubt about it. Also, you really can't place an new amalgam (silver) filling over top an existing amalgam filling. Those amalgam fillings aren't really bonded anyhow and they rely on a certain preparation technique for retention.
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Old 10-05-2011, 10:36 AM
 
525 posts, read 382,991 times
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I just had all of the amalgam replaced with composite because they were locking fragile and decomposed I love the composite it is great.
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