Porcelain or Metal crown
in [Dentistry]
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From: churin on 27 Jun 2008 12:58 I had metal crown on molar(#31)but it lasted about ten years. A part of the top surface area was removed and cement underneath was exposed. The broken crown was replaced with again a metal crown. This time it lasted only one year. The damage was done in the same way as the previous one. I chose metal crown because the both dentists who did the first one and second one recommended metal crowns. I still keep the removed crown which lasted 10 years. It really looks "worn out" and appears badly deformed from the original shape. It looks as though the opposing porcelain bridge struck hard on the metal crown which appears softer than porcelain so that it yielded to the impact by deforming itself. Now I have to decide for a new replacement crown whether to go for metal crown again or switch to porcelain. My question: What is typical life of a metal crown on molar? What is a downside(s) of porcelain(PFM), cosmetic aspect aside? Any suggestion for choosing type of crown?
From: Steven Fawks on 28 Jun 2008 22:27 Sounds like a pre-fab stainless steel job. Chewing through one of them in a year or two is not such a tough job for many. Steve churin wrote: > Now I have to decide for a new replacement crown whether to go for metal > crown again or switch to porcelain. > > My question: > > What is typical life of a metal crown on molar? > What is a downside(s) of porcelain(PFM), cosmetic aspect aside? > Any suggestion for choosing type of crown?
From: Amatus Cremona on 29 Jun 2008 12:10 Something seems silly. "Steven Fawks" <tuthjockey(a)myturbonet.com> wrote in message news:1214694130_56155(a)news.newsville.com... > > Sounds like a pre-fab stainless steel job. Chewing through one > of them in a year or two is not such a tough job for many. > > Steve > > churin wrote: > >> Now I have to decide for a new replacement crown whether to go for metal >> crown again or switch to porcelain. >> >> My question: >> >> What is typical life of a metal crown on molar? >> What is a downside(s) of porcelain(PFM), cosmetic aspect aside? >> Any suggestion for choosing type of crown?
From: Bill on 30 Jun 2008 01:44 On Jun 27, 9:58 am, churin <krone8...(a)mypacks.net> wrote: > I had metal crown on molar(#31)but it lasted about ten years. A part of > the top surface area was removed and cement underneath was exposed. The > broken crown was replaced with again a metal crown. This time it lasted > only one year. The damage was done in the same way as the previous one. > I chose metal crown because the both dentists who did the first one and > second one recommended metal crowns. > > I still keep the removed crown which lasted 10 years. It really looks > "worn out" and appears badly deformed from the original shape. It looks > as though the opposing porcelain bridge struck hard on the metal crown > which appears softer than porcelain so that it yielded to the impact by > deforming itself. > > Now I have to decide for a new replacement crown whether to go for metal > crown again or switch to porcelain. > > My question: > > What is typical life of a metal crown on molar? > What is a downside(s) of porcelain(PFM), cosmetic aspect aside? > Any suggestion for choosing type of crown? It sounds as though it might have been a cheap stainless steel crown. We call those "temporary." But even a cast metal crown (much better than stainless steel pre- formed) can eventually be worn through by harsh contact from an opposing porcelain bridge. Generally I like to make a crown of a material similar to that which it's going to occlude against (bite against). So if there are no other confounding factors, generally if the tooth is going to bite against a porcelain bridge, I like to place a porcelain crown to match. - dentaldoc
From: Lobo on 30 Jun 2008 12:32
I have gold crowns that have lasted 30+ years. I wore holes through a couple of those because I clench and grind my teeth. I have been using a night guard for the last 20 years which has probably prevented my chewing through them sooner. My mother had gold crowns that lasted 50 years. Gold is worth the initial cost if you have a good dentist. Lobo ~~~~~~~~~~~~~~~~~~~ Delete the obvious to reply to me personally. ~~~~~~~~~~~~~~~~~~~ "churin" <krone8141(a)mypacks.net> wrote in message news:PcCdnW3zNeuBgfjVnZ2dnUVZ_u2dnZ2d(a)earthlink.com... >I had metal crown on molar(#31)but it lasted about ten years. A part of the >top surface area was removed and cement underneath was exposed. The broken >crown was replaced with again a metal crown. This time it lasted only one >year. The damage was done in the same way as the previous one. I chose >metal crown because the both dentists who did the first one and second one >recommended metal crowns. |