In most cases retreating a root canal conventionally is preferable to having and apicoectomy. Retreating a root canal usually has a higher success rate than apical surgical repairs (apicoectomey)since teeth with apicalectomies seem to have a higher failure rate (they get a reoccurring of the infection at the apex).
Apicoectomies are preferable if the canal can no longer be safely renegotiated. This can happen if a post has been placed and an endodontist or dentist doesn't believe it can be safely removed. Also some root canal filling materials can be difficult to remove( a small minority)
Many posts can be safely removed, but some can be more difficult than others. If attempting the removal of a post has a high likelihood of placing the future of the tooth in jeopardy, than an apical procedure or an extraction may be a better option.
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6 comments:
Hi.
Can you tell me are there any people root canal treatment does not work on??
I've had been very unlucky and had 4 root canalled teeth extracted due to failure. All abscessed (all were done by an endodontist)and never really were pain free after treatment.
Thanks.
I can not say answer this with certainty, but it may be possible for very small percentage of the population; root canals tend not to have a high success rate.
I have not read a study that supports this point of view, but I have come across a small number of patients with whom I have had difficulty achieving successful resolution of endodontic abscesses, even after seemingly well done root canals
Thank you for your reply.
My dentist said that all the teeth in question looked perfect in x-rays.
In one premolar that was extracted, the abscess was on the side of the root - does that mean that it had a nerve branch went out to the side (is that a lateral abscess?)of the tooth and therefore could possibly be removed?
My situation is so frustrating!
Thanks again.
Sounds like your tooth had a lateral canal. Often a lateral canal is sealed when a root canal is completed. The irrigants used during a root canal treatment can dissolve the contents of a lateral canal.
Hi there,
I presently have a chronic abscess on a root filled 24, the root canal looks perfect on the Xray. The restoration over top of this was resin based material. I am 35 weeks pregnant and the dentist I have just been to said we can try retreating although if it is due to fracture which he cant see then prognosis not good. He suggests I get the tooth extracted and implant placed?? This Dentist has a huge interest in implants and I am just wondering what I am best to do??
Sounds like you should consider a consultation with an Endodontist. Ask him or her about the advisability of retreating your root canal.
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