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Implants
broken screw head
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<blockquote data-quote="dmonwaxa" data-source="post: 146296" data-attributes="member: 927"><p>I wouldn't want to be drilling and tapping either, but I believe that the established protocol for failure of the screw is warranted. As stated before, that particular design may further reduce hard tissue trauma as in the case if an accident. So its more of a safety net, an asset rather than a liability. In the old days patients had recalls for maintenance of the restoration and that included placing new screws. We've gotten away from that protocol. Most screw breakage I have seen has happened on single implant restorations, a few on splinted: 3-4 unit bridges and were more than likely due to a non passive fit which over time lead to failure of the screw caused by cyclic fatigue.</p></blockquote><p></p>
[QUOTE="dmonwaxa, post: 146296, member: 927"] I wouldn't want to be drilling and tapping either, but I believe that the established protocol for failure of the screw is warranted. As stated before, that particular design may further reduce hard tissue trauma as in the case if an accident. So its more of a safety net, an asset rather than a liability. In the old days patients had recalls for maintenance of the restoration and that included placing new screws. We've gotten away from that protocol. Most screw breakage I have seen has happened on single implant restorations, a few on splinted: 3-4 unit bridges and were more than likely due to a non passive fit which over time lead to failure of the screw caused by cyclic fatigue. [/QUOTE]
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