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Implants
Guys, I need a lot of help, sep by step.
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<blockquote data-quote="JMN" data-source="post: 197180" data-attributes="member: 8469"><p>You would have to cut the hex off of the abutment carefully, just enough to let them seat as a group. If you cut any off the flat bottom it could seat onto the implant at a small angle instead of straight down and/or the screws may be too long. Both of which could cause loosening of the screws. You likely knew that, but I'm thinking replacements would be quite difficult for you to get if things go badly. It would work, it's just a higher risk method. And I'm risk shy if there's another way.</p><p></p><p>Best safe bet if it were me:</p><p>Before reducing the abutments, while they are fully screw to the model, lute them together with some acrylic and wrought wire pieces, or even superglue and paperclips, just something to keep them in the same relationship. After acrylic/glue/whatever dries/sets see if you can remove them and put them back onto the model as a set. This will let you see if they are too divergent to make as a single screw retained piece.</p><p></p><p>If you Can remove them and put them back on as a set: Yippee! modify the abutments as needed and then build a bridge that fits it. You can leave holes on the occlusal surface of the bridge for screw access, cement them to the abutments before delivery to dr or let him cement before seating in pt and let the dr fill the screw access holes with lightcure or whatever after seating.</p><p></p><p>If they are Not coming off the model and going back on while stuck together:</p><p>Modify abutments to parallel, and make a bridge to slide down the abutments just like they are bridge tooth preps. I'd still leave access holes in the occlusal surface for screws and let the dr light cure it closed after seating and cementing. Now, if the bridge ever has to be retrieved, the dr can cut it somewhere interpromial and hard to see, and then lift out the abutments seperately.</p><p></p><p>This would save the abutments and keep them strong as possible in every situation as they are what is hardest for you to get is what I'm thinking.</p><p>Need more explaning of what I typed, please ask, it's 3am my time as I type this and I might have said something stupid again or misunderstood what you are tryimg to do.</p><p>Hope that helps some.</p></blockquote><p></p>
[QUOTE="JMN, post: 197180, member: 8469"] You would have to cut the hex off of the abutment carefully, just enough to let them seat as a group. If you cut any off the flat bottom it could seat onto the implant at a small angle instead of straight down and/or the screws may be too long. Both of which could cause loosening of the screws. You likely knew that, but I'm thinking replacements would be quite difficult for you to get if things go badly. It would work, it's just a higher risk method. And I'm risk shy if there's another way. Best safe bet if it were me: Before reducing the abutments, while they are fully screw to the model, lute them together with some acrylic and wrought wire pieces, or even superglue and paperclips, just something to keep them in the same relationship. After acrylic/glue/whatever dries/sets see if you can remove them and put them back onto the model as a set. This will let you see if they are too divergent to make as a single screw retained piece. If you Can remove them and put them back on as a set: Yippee! modify the abutments as needed and then build a bridge that fits it. You can leave holes on the occlusal surface of the bridge for screw access, cement them to the abutments before delivery to dr or let him cement before seating in pt and let the dr fill the screw access holes with lightcure or whatever after seating. If they are Not coming off the model and going back on while stuck together: Modify abutments to parallel, and make a bridge to slide down the abutments just like they are bridge tooth preps. I'd still leave access holes in the occlusal surface for screws and let the dr light cure it closed after seating and cementing. Now, if the bridge ever has to be retrieved, the dr can cut it somewhere interpromial and hard to see, and then lift out the abutments seperately. This would save the abutments and keep them strong as possible in every situation as they are what is hardest for you to get is what I'm thinking. Need more explaning of what I typed, please ask, it's 3am my time as I type this and I might have said something stupid again or misunderstood what you are tryimg to do. Hope that helps some. [/QUOTE]
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Guys, I need a lot of help, sep by step.
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