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Medical Forum / General / Dentistry / January 2005Disinfecting alginate impressions
Which is most appropriate for disinfecting alginate impressions? A. Spray impression with 2% glutaraldehyde, then rinse after 8 minutes B. Rinse impression, immerse in povodine iodine for 30 minutes then rinse C. Spray impression with iodophor solution, then rinse after 15 minutes D. Rinse impression, immerse in 1:10 solution of sodium hypochlorite for 30 minutes, then rinse -- I got teeth >Which is most appropriate for disinfecting alginate impressions? The powder? No I am kidding. >A. Spray impression with 2% glutaraldehyde, then rinse after 8 minutes I like A. >B. Rinse impression, immerse in povodine iodine for 30 minutes then rinse >C. Spray impression with iodophor solution, then rinse after 15 minutes >D. Rinse impression, immerse in 1:10 solution of sodium hypochlorite for 30 >minutes, then rinse Hi Joel, Who cares? If you soak too much the impression is distorted anyway!  SignatureGregory P. Cole, B.S., D.D.S. (Flap) www.smilesforalifetime.com FullosseousFlap's Dental Blog http://flapsblog.blogspot.com/ Liberae sunt nostrae cogitationes >>Which is most appropriate for disinfecting alginate impressions? > [quoted text clipped - 9 lines] >>30 >>minutes, then rinse This is a question from the AGD fellowship exam... "Gregory P. Cole, B.S., D.D.S. (Flap)" <drgregorycole.dds@verizon.net> wrote > Hi Joel, > [quoted text clipped - 22 lines] > >>30 > >>minutes, then rinse Glad I never felt the need to have additional letters after my name. SignatureGregory P. Cole, B.S., D.D.S. (Flap) www.smilesforalifetime.com Flaps Dental Blog http://flapsblog.blogspot.com/ Liberae sunt nostrae cogitationes > This is a question from the AGD fellowship exam... > [quoted text clipped - 28 lines] >> >>30 >> >>minutes, then rinse >Glad I never felt the need to have additional letters after my name. That's actually Greg Cole, B.S., D.D.S., F.L.A.P. Just do not tell them how hard the F.L.A.P degree was! Joel >Glad I never felt the need to have additional letters after my name. Letters which no one outside of AGD even understands. I was going to take the test until I realized that the guys who sat in the back row of lecture halls, working crossword puzzles and talking to each other during lecture; plus leaving as soon as the attendance vouchers were made available, were the ones getting FAGD and MAGD certificates. I do at wish to be categorized with these folk. .. Stephen Mancuso, D.D.S. Troy, Michigan, USA I am writing on a Tablet-PC,so forgive me if the PC misreads my handwriting. How about pour the model with gloves on, then disinfect the stone model? 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. ...................... "Gregory P. Cole, B.S., D.D.S. (Flap)" <drgregorycole.dds@verizon.net> wrote > Hi Joel, > [quoted text clipped - 15 lines] >>>30 >>>minutes, then rinse Well according to this practice test the answer is D, immerse in 1:10 hypochlorite solution for 30 minutes. I just don't agree with that. I feel like immersing alginate in any liquid for 30 minutes has got to distort it. > How about pour the model with gloves on, then disinfect the stone model? > [quoted text clipped - 37 lines] > >>>30 > >>>minutes, then rinse > Well according to this practice test the answer is D, immerse in 1:10 > hypochlorite solution for 30 minutes. I just don't agree with that. I feel > like immersing alginate in any liquid for 30 minutes has got to distort it. Now you don't get the feeling that your learning anything similar to 'dental school dogma' do you? (just a different bunch of instructors) They probably ask questions on TMD and bruxism that I would get 'wrong' because I would treat them with an NTI instead of some wacko splint and equilibration. ;-) Fawks >> Well according to this practice test the answer is D, immerse in 1:10 >> hypochlorite solution for 30 minutes. I just don't agree with that. I feel >> like immersing alginate in any liquid for 30 minutes has got to distort it. > >Now you don't get the feeling that your learning anything similar to >'dental school dogma' do you? (just a different bunch of instructors) No doubt, why not use an antimicrobial alginate ? Me, I just rinse off any blood and pour or send to lab. >They probably ask questions on TMD and bruxism that I would get 'wrong' >because I would treat them with an NTI instead of some wacko splint and >equilibration. Yes indeed. >;-) >Fawks -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com >Well according to this practice test the answer is D, immerse in 1:10 >hypochlorite solution for 30 minutes. I just don't agree with that. I feel >like immersing alginate in any liquid for 30 minutes has got to distort it. I agree with you. Alginate is hydrophilic. Joel >> How about pour the model with gloves on, then disinfect the stone model? >> [quoted text clipped - 41 lines] >> >>>30 >> >>>minutes, then rinse > Well according to this practice test the answer is D, immerse in 1:10 > hypochlorite solution for 30 minutes. I just don't agree with that. I feel > like immersing alginate in any liquid for 30 minutes has got to distort it. ....It's irreversible hydrocolloid.... Pretty inert, IMO... Remember you often (be honest) wrap the impressions in wet paper towels and only get to finally pour them 30 minutes or so later.... SignatureNot a real Addy, yet >>Well according to this practice test the answer is D, immerse in 1:10 >>hypochlorite solution for 30 minutes. I just don't agree with that. I feel [quoted text clipped - 3 lines] > often (be honest) wrap the impressions in wet paper towels and only get > to finally pour them 30 minutes or so later.... We were told that an alginate impression begins to distort almost immediately, whether it dries out or not. There was even a name for the phenomenon--syneresis or something like that (maybe someone can help me out here). I certainly don't necessarily get my alginates poured up immediately for study models. But on the occasion that I'm using alginate for a partial frame, I certainly try to get it poured up right away. I'm pouring it myself, so I'm not worried about sending germs to my lab. ;-) Steve > I certainly don't necessarily get my alginates poured up immediately > for study models. But on the occasion that I'm using alginate for a > partial frame, I certainly try to get it poured up right away. I'm > pouring it myself, so I'm not worried about sending germs to my lab. ;-) > > Steve Total agreement: If using alginagte for anything else than study models, must pour it right away: I do it myself as soon as it/they come out. I rinse the models to get all the salive out anyway, if not it'll give bubbles... SP SignatureNot a real Addy, yet >Remember you >often (be honest) wrap the impressions in wet paper towels and only get >to finally pour them 30 minutes or so later.... Alginate impressions are never wrapped in a wet paper towel in my office. An 'ad hoc' humidor is created by putting a small corner of damp paper towel in the corner of a heat sealed clear plastic autoclave bag. -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com >>Remember you >>often (be honest) wrap the impressions in wet paper towels and only get [quoted text clipped - 10 lines] > Take out the G'RBAGE > wubbabubbazG@RBAGEyahoo.com Do you own any acoustic guitars? Use a Dampit or anything like it? Steve SignatureMark & Steven Bornfeld DDS http://www.dentaltwins.com Brooklyn, NY 718-258-5001 > Do you own any acoustic guitars? Use a Dampit or anything like it? > >Steve Got a couple, never used a Damn Pit on it though <hehe> What is it supposed to do ? -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com > Got a couple, never used a Damn Pit on it though <hehe> > What is it supposed to do ? [quoted text clipped - 4 lines] > Take out the G'RBAGE > wubbabubbazG@RBAGEyahoo.com Humidifies the case. I wouldn't put anything with water in the guitar though. I do have vaporizers going pretty much all winter in my bedrooms. Steve SignatureMark & Steven Bornfeld DDS http://www.dentaltwins.com Brooklyn, NY 718-258-5001 >> Got a couple, never used a Damn Pit on it though <hehe> >> What is it supposed to do ? [quoted text clipped - 9 lines] > >Steve Not really a problem for me. Have a somewhat climate controlled storage area. Contact me privately if you wish. -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com >> Humidifies the case. I wouldn't put anything with water in the guitar >>though. I do have vaporizers going pretty much all winter in my bedrooms. [quoted text clipped - 6 lines] >Contact me privately if you wish. >-- There are products that are good for this ...... Ban Roll-On is one .... >>> Humidifies the case. I wouldn't put anything with water in the guitar >>>though. I do have vaporizers going pretty much all winter in my bedrooms. [quoted text clipped - 8 lines] > >There are products that are good for this ...... Ban Roll-On is one SORRY, I thought you mean damp under arm areas. >.... > >Remember you > >often (be honest) wrap the impressions in wet paper towels and only get [quoted text clipped - 7 lines] > > W_B Hey Zeus.... How long do you keep them like this befor you pour them? I always thought that if you wait more than 1/2 hour, there is so much distortion (even for study models) that you can't even articulate them properly. Thanks AP SignatureNot a real Addy, yet >> >Remember you >> >often (be honest) wrap the impressions in wet paper towels and only get [quoted text clipped - 14 lines] >Thanks >AP The prosthetics lab is close, they either pick them up or I bring them to the lab. Rarely longer than an hour, usually less. Sometimes the next day, but not for prostheses. Remember they are sealed in a humid environment, not sitting on the bench. -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com Yes, I agree with this answer. I want my prostheses to fit! SignatureGregory P. Cole, B.S., D.D.S. (Flap) www.smilesforalifetime.com Flaps Dental Blog http://flapsblog.blogspot.com/ Liberae sunt nostrae cogitationes > How about pour the model with gloves on, then disinfect the stone model? > [quoted text clipped - 18 lines] >>>>30 >>>>minutes, then rinse I run mine through the dry heat sterilizer. Of course we only make retainers from alginate impressions. Then we run the retainers through again just to be safe. Some minor adjustments are needed occasionally to fine tune the fit. We may start sterilizing mouths first to reduce the redundancy of two cycles. carabelli >I run mine through the dry heat sterilizer. Of course we only make >retainers from alginate impressions. Then we run the retainers through >again just to be safe. Some minor adjustments are needed occasionally to >fine tune the fit. The dry heat sterilizer causes the impression to shrink by 35%. Therefore it becomes necessary to put the retainer through to shrink the exact same 35%. Now the only problem is getting the kid's head inside the dry heat sterilizer ...... Joel >We may start sterilizing mouths first to reduce the redundancy of two >cycles. > >carabelli > I run mine through the dry heat sterilizer. Of course we only make > retainers from alginate impressions. Then we run the retainers through [quoted text clipped - 5 lines] > > carabelli Just wrap the patient's head in industrial size Saran wrap. It'll get in their mouths under the alginate, and so you have a physical barrier. Wait FIVE minutes for the alginate to set real good, and THEN poke holes in the Saran wrap at the nostrils... A scalpel with a number 11 blade would be good here.... Just ask the parents to leave the room before you start... At five minutes the patient is usually quite cooperative... SP SP SignatureNot a real Addy, yet .... Just ask the parents to leave the room before you > start... Might be better if you ask the *patient* to leave the room five minutes before you start. Vaughn >Hi Joel, > >Who cares? > >If you soak too much the impression is distorted anyway! YUP pour immediately. Joel >>Hi Joel, >> [quoted text clipped - 5 lines] > >Joel Pour immediately, then disinfect the model. .. Stephen Mancuso, D.D.S. Troy, Michigan, USA I am writing on a Tablet-PC,so forgive me if the PC misreads my handwriting. >Pour immediately, then disinfect the model. >.. >Stephen Mancuso, D.D.S. With ? -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com > >Pour immediately, then disinfect the model. > >.. [quoted text clipped - 7 lines] > Take out the G'RBAGE > wubbabubbazG@RBAGEyahoo.com Disinfectant hand soap. You're going to rinse the model anyways... SP SignatureNot a real Addy, yet >> >Pour immediately, then disinfect the model. >> >.. [quoted text clipped - 10 lines] >Disinfectant hand soap. You're going to rinse the model anyways... >SP I'd buy that for a dollar. -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com I will normally spray the model with a surface disinfectant, let it air dry. 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. ...................... > >>Pour immediately, then disinfect the model. [quoted text clipped - 8 lines] > Take out the G'RBAGE > wubbabubbazG@RBAGEyahoo.com >I will normally spray the model with a surface disinfectant, let it air dry. Lysol ? -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com Matar 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 will normally spray the model with a surface disinfectant, let it air [quoted text clipped - 7 lines] > Take out the G'RBAGE > wubbabubbazG@RBAGEyahoo.com Is that like Tartar ? Never heard of it. >Matar >>>I will normally spray the model with a surface disinfectant, let it air >>>dry. [quoted text clipped - 3 lines] >> >> W_B -- W_B Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com It is a phenol compound made by Huntington. It comes in a concentrate that you mix a few ounces to a quart of water. 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. ...................... > > Is that like Tartar ? [quoted text clipped - 17 lines] > Take out the G'RBAGE > wubbabubbazG@RBAGEyahoo.com >Hi Joel, > >Who cares? > >If you soak too much the impression is distorted anyway! Check Greg's blog. It is cool! Joel |
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