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Medical Forum / General / Dentistry / March 2005root canaled teeth
i was just wondering why teeth that have had root canals abcess again , i have 3 teeth that have had root canal treatment several years ago that have abcessed again .my dentist didnt have a reason for this , but recommended extracting the teeth instead of retreating . >i was just wondering why teeth that have had root canals abcess again , >i have 3 teeth that have had root canal treatment several years ago >that have abcessed again .my dentist didnt have a reason for this , but >recommended extracting the teeth instead of retreating . If we saw the x-ray we could comment more intelligently. Normally teeth do not re-abscess ....... Joel Do you have other missing teeth? i have several other missing teeth , but when the 3 lower teeth are extracted i will only have 4 lower teeth remaining 1 back molar , 2 canines and 1 premolar on the bottom . my dentist said he could make me a very useable lower partial >i have several other missing teeth , but when the 3 lower teeth are >extracted i will only have 4 lower teeth remaining 1 back molar , 2 >canines and 1 premolar on the bottom . my dentist said he could make me >a very useable lower partial Okay if the teeth are truly non-salvageable then the partial denture may be the route to go (with only four left in that arch). So these are the four front teeth? Any x-rays? Joel Sometimes root canals fail due to leakage. Usually this is from not having a crown placed on the root canalled tooth. Or, root canals can fail from cracks developing in the roots. Or, the tooth may have been treated as well as possible and yet some portion of the root canal system was not removed or could not be found. This could lead to re-formation of an abscess. > i was just wondering why teeth that have had root canals abcess again , > i have 3 teeth that have had root canal treatment several years ago > that have abcessed again .my dentist didnt have a reason for this , but > recommended extracting the teeth instead of retreating . does retreatment usually work for an extended period of time ? or do they need it again eventually? all 3 teeth had a crown put on shortly after root canal. IF the crown seals well and the patient does not allow any decay to begin on the root surface, and the patient does not forcibly grind/clench at night, and the root did not have a fracture in it prior to the first RCT, then the re-treatment should last for decades. Assuming the re-treatment is due to the RCT not being well enough cleaned out and filled the first time.  Signature~+--~+--~+--~+--~+-- Stephen Mancuso, D.D.S. Troy, Michigan, USA .................................................... This posting is intended for informational or conversational purposes only. Always seek the opinion of a licensed dental professional before acting on the advice or opinion expressed here. Only a dentist who has examined you in person can diagnose your problems and make decisions which will affect your health. ...................... > does retreatment usually work for an extended period of time ? or do > they need it again eventually? > all 3 teeth had a crown put on shortly after root canal. I've heard re-treats are 70% effective while first treats are 90-95% effective YMMV > IF the crown seals well and the patient does not allow any decay to begin on > the root surface, and the patient does not forcibly grind/clench at night, [quoted text clipped - 17 lines] > > they need it again eventually? > > all 3 teeth had a crown put on shortly after root canal. so what you are saying is that even after all the expense and time for retreating some times the tooth still has to be extracted ? Extreme variability in the human race from one specimen to the next. No guarantees in health care. Signature~+--~+--~+--~+--~+-- Stephen Mancuso, D.D.S. Troy, Michigan, USA .................................................... This posting is intended for informational or conversational purposes only. Always seek the opinion of a licensed dental professional before acting on the advice or opinion expressed here. Only a dentist who has examined you in person can diagnose your problems and make decisions which will affect your health. ...................... > so what you are saying is that even after all the expense and time for > retreating some times the tooth still has to be extracted ? >so what you are saying is that even after all the expense and time for >retreating some times the tooth still has to be extracted ? Each case is unique and sucess of re-treatment largely depends on the cause of failure. Get evaluated by an endodontist ASAP. -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com I think the lower figure the second time around is due to the number of RCT failures not related to the actual RCT procedure (fractures, caries, etc.) Signature~+--~+--~+--~+--~+-- Stephen Mancuso, D.D.S. Troy, Michigan, USA .................................................... This posting is intended for informational or conversational purposes only. Always seek the opinion of a licensed dental professional before acting on the advice or opinion expressed here. Only a dentist who has examined you in person can diagnose your problems and make decisions which will affect your health. ...................... > I've heard re-treats are 70% effective while first treats are 90-95% > effective YMMV [quoted text clipped - 27 lines] >> > they need it again eventually? >> > all 3 teeth had a crown put on shortly after root canal. I agree with that > I think the lower figure the second time around is due to the number of RCT > failures not related to the actual RCT procedure (fractures, caries, etc.) [quoted text clipped - 42 lines] > >> > they need it again eventually? > >> > all 3 teeth had a crown put on shortly after root canal. >IF the crown seals well and the patient does not allow any decay to begin on >the root surface, and the patient does not forcibly grind/clench at night, >and the root did not have a fracture in it prior to the first RCT, then the >re-treatment should last for decades. Assuming the re-treatment is due to >the RCT not being well enough cleaned out and filled the first time. Parafunction??? >does retreatment usually work for an extended period of time ? depends, each case is unique. >or do >they need it again eventually? Chance of sucess decreases with the number of operative procedures. >all 3 teeth had a crown put on shortly after root canal. I still say get a consult with an endodontist. Check out: www.aae.org -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com > Sometimes root canals fail due to leakage. Usually this is from not having a > crown placed on the root canalled tooth. Or, root canals can fail from > cracks developing in the roots. Uh oh. If a person had a crown that broke and cracked, her root canal might abcess? If this happened, would she need another root canal? I have a bad feeling about this . . . It depends on a lot of things. Mostly how long the RCT filling (gutta percha rubber) is exposed to saliva. Signature~+--~+--~+--~+--~+-- Stephen Mancuso, D.D.S. Troy, Michigan, USA .................................................... This posting is intended for informational or conversational purposes only. Always seek the opinion of a licensed dental professional before acting on the advice or opinion expressed here. Only a dentist who has examined you in person can diagnose your problems and make decisions which will affect your health. ...................... > >> Sometimes root canals fail due to leakage. Usually this is from not [quoted text clipped - 5 lines] > might abcess? If this happened, would she need another root canal? I > have a bad feeling about this . . . >It depends on a lot of things. Mostly how long the RCT filling (gutta >percha rubber) is exposed to saliva. Modern endodontic theory suggests that if the gp is exposed to saliva the RCT should be retreated. -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com >> Sometimes root canals fail due to leakage. Usually this is from not having a >> crown placed on the root canalled tooth. Or, root canals can fail from [quoted text clipped - 3 lines] >might abcess? If this happened, would she need another root canal? I >have a bad feeling about this . . . Read again, if the root cracks, not the crown. -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com >i was just wondering why teeth that have had root canals abcess again , >i have 3 teeth that have had root canal treatment several years ago >that have abcessed again .my dentist didnt have a reason for this , but >recommended extracting the teeth instead of retreating . Go see an endodontist, a specialist in root canal treatment. There are many reasons for failure, impossible to tell from here. -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com |
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