3rd endovac case
Multiple CaOH case
Last molar case
Extensive carious lesion
Retreatment & Internal bleaching
Dental questions & answers
Infection related resorption
Going to USA?
Miracle of CaOH
Extra-oral fistula in nostril |
Use of antibiotics
10 myths about latex allergy
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From: Joseph Rubner Sent: Sunday, October 14, 2001 7:58 AM To: ROOTS Subject: [roots] obturation material Hi Rooters, I have a patient who after biocompatibility testing,has found out that's she's sensitive to gutta-percha,CaOH,cavit and certain resins ! Would appreciate any ideas what I could obturate the canals with. Thanks - Joseph
From: danny Sent: Sunday, October 14, 2001 10:11 PM What made the patient test for those particular materials? - Danny
Hi Danny, I don't know what prompted her to get tested.I originally did the RCT in the summer and was still symptomatic to percussion. So I suggested to redo,and place CaOH in the canals for a period of time,and when she'd be comfortable to reobturate with gutta-percha.When I intially removed the g.p. and placed the CaOH she came back in severe pain,which eventually subsided. When I saw her last time ,she said the tooth felt better but was still somewhat sensitive to percussion. Some additional points to keep in mind : I placed VITAPEX ( CaOh paste with Iodofom manafactured by Diadent),which I only got 1/2 - 2/3rds down the canal.None of the radiographs showed any periapical pathology/no difference appears radiographically from the inital Rct to the CaOH-filled canals.I only located 3 canals,(possible undetected canal ?).[I don't have the ability to scan the radiographs Sorry !] - Joseph
From: Fred Barnett Sent: Monday, October 15, 2001 6:35 AM Have her tested for MTA.
From: Peter Cancellier Sent: Monday, October 15, 2001 10:50 AM Sure test the the MTA, then test for two separate pieces of your gutta percha, the same gutta percha. One of the gp's will test positive.
Another option is Biocalex, a heavy calcium oxide, which is sold by Biodent in Quebec. I use it if you have any Q's about it. www.biodent.com Chris Christopher Tsang Aurora, Ontario
Welcome, Christopher Tsang. I am interested to know how long you have used Biocalex... Are you satisfied with it? Are the patients comportable? How do the post-op film look? Have you opened a tooth, perhaps a year after obturation to inspect the consistency of it in the tooth? What did you see? Was it solid, in spite of reduced radiopacity? I realize that radiopacity measures radiopacity, (not density...) Just wanting to know what is there.... I have visited the website in the past , as a result of some questions from a colleague.. What I read there spawned these questions...Wes Rampton, also a newbie on Roots.
From: Rampton Sent: Tuesday, October 16, 2001 2:27 AM Subject: [roots] RE: obturation material Joseph, It would be interesting to know whether the biocompatibility test was a skin allergy test, a kinesiology test, or something else. Was the tester an MD, OD, DMD, DC, ND, Midwife, etc. These tidbits, of course, help us in viewing the claimed results with credulity/incredulity... As we know, there is a pseudoscientific subculture out there advocating avoidance of GP along with sundry other alternative medical approaches to personal health. Am I being too skeptical? Maybe they just know something I don't know. Plausible... very plausible. At any rate, you may want to determine the validity of the biocompatibility tests before tossing out the old tried and true GP. Keep us posted...Wes
From: Sirendo@aol.com Sent: Tuesday, October 16, 2001 2:56 AM Subject: [roots] Re: obturation material We have a latex free office and have done tx on many latex sensitive individuals. The organization for latex sensitivity has reported that in many cases gutta percha can be used as long as it is kept within the root canals. I do warm vertical but in this case I would use MTA followed by backfill and be fairly comfortable. The biocompatability testing may not be a valid test in this case as the material is presented in a different fashion than how used in the root canal - Bob
Bob, They will probably have silicone available for obturation by next year. It will replace GP from what I hear. This will no longer be an issue in these cases. Joey D
From: Bernard Lynch To: ROOTS Sent: Tuesday, October 16, 2001 7:52 AM Is gutta percha actually balata?
From: Michael I Pascal DDS To: ROOTS Sent: Tuesday, October 16, 2001 4:25 PM Does anyone remember Hydron? Late 70's silicone RC filling material. I had, as a patient, the attorney who handled all of the plaintiffs in the class action law suits for silicone breast implants outside of North America. He was extrememly interested to hear that dentistry might have a silicone material that could be extruded into tissue - accidentally or otherwise. I can't believe that anyone would consider a free silicone material for use in the body. Michael Pascal
There is a research project that was just completed this year (submitted for marking as part of a MDSc Thesis) that looked at Roeko's new two component sealer - it looks and behaves like a silicone impression material - anyway it leaked like a sieve and performed very badly in both bacterial and dye based studies. In know that apical leakage is not as significant as coronal but it is fails to seal it fails to seal. I hope this isnt the one you were alluding to. - Tim
From: Danny O'Keefe To: ROOTS Sent: Tuesday, October 16, 2001 6:12 PM This can be complicated at times. Thanks for sharing this thought and action process. It is one of those things that I couldn't see in the past because I had no clue to be looking for it ( Allergies to these substances, so many 4th canals, ect.. How much more do I not know that I am not even looking for? Danny
From: Joseph Dovgan To: ROOTS Sent: Tuesday, October 16, 2001 7:59 PM Subject: [roots] Re: obturation material Michael, I do remember Hydron, but this is some space age stuff from what I hear. They are seeking FDA approval prior to marketing. That's part of the hold up. I'm not privy to the details. I just heard about on the "grapevine". - Joey D