Black fillings?

I have a lot of amalgam fillings in my teeth but recently I've noticed that some of them seem to have turned black instead of looking silver. Why is this? And is it anything to be concerned about?

Black fillings?
Hi I am a dental nurse so may be able to help. Amalgam fillings can turn black due to a couple of reasons.


1. It could be oxidisation, just the contact of air and food can cause the amalgam to change colour. But this happening can cause a leakage around the filling.


2. Could be that it is breaking down and needs replacing


3. Could just be that it is aged and needs replacing.


4. Sometimes the powder to liquid mix can be irregular.


All though could cause further decay so it is best that you get it checked and replaced if needed because when decay occurs the fillings will conduct temperature and cause extra pain. Good luck.
Reply:do you brush, them i could be a built up off bacteria, i have had one for like 4 years and its still silver
Reply:no, I have the same problem...I think its how they mix the filling before they put it in. As long as its just the filling and not your actual tooth its normal.
Reply:yes there is a back build up on them -also its a bad build up-see your dentist-the problem is in all likelyhood in one source and is effecting the other fillings-the longer you wait the worse it will get- in time needing root canal cap and more.





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Reply:I to have a few too many of the horrible fillings.


i thinks its just what they do with age.


I am thinking of asking my dentist next time i go to see her about having them taking out ant the white ones put in.


If i can afford it of course.
Reply:They turn black due to oxidisation and corrosion, it's nothing to be concerned about :)
Reply:The amalgam filling has gone black because of tarnish and corrosion.Tarnish is the surface discoloration of the amalgam filling.Corrosion,on the other hand is the surface deterioration of the metal by reaction with the oral environment(meaning saliva,food,et.al) To prevent tarnish and corrosion,what we do is to polish the amalgam filling which is done after 24 hours after filling was placed(allowing the amalgam filling to set-coz it hardens/sets after 24 hours.It sets in the mouth once placed,but this is just initial setting,that's why we advice our patients not to bite too hard on the side of the filling just yet-after 24hours than its hard already).There's nothing to worry about this,only that it has gone black,which is not nice too look at.
Reply:Mercury amalgum has been banned and discontinued in some countries because of health concerns-I would contact a holistic dentist for an alternative point of view-that will help you come to a decision.If you decide to have metal fillings replaced with safer ones,see a dentist who is experienced in


removing amalgum safely.
Reply:My 2 back fillings were chipping and they were black too. I just got them done again when I went to the dentist... good and new!
Reply:Old fillings look blacker than the more recent amalgam ones. I think it has something to do with the reaction to the acid in your food and saliva.
Reply:This is due to surface corrosion and, though unsightly, does not, in itself, indicate a problem with the material. Get the dentist's advice at your next check-up. It's nothing to be concerned about.





This mercury in amalgam thing is a real hoot. The only time you will encounter free mercury from amalgam is if it is heated to a high temperature. When a filling is removed a water spray cools the material. No problem. Why do dentists not get mercury poisoning?





Actually, it's a shame amalgam is so safe otherwise I would be a millionaire many times over replacing amalgam with something else (composite, gold, whatever).





Beware 'white' fillings. Their life expectancy is a third of amalgam and they give off a vapour similar to oestrogen (in insignificant quantities). When they fail they tend to do so pretty quickly and a lot of decay can develop under the material before the dentist gets a chance to spot it.





Better still, avoid sugar and don't have fillings.





Keep smiling.

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