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How often do you get rocking bridges?
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<blockquote data-quote="wwcanoer" data-source="post: 82891" data-attributes="member: 706"><p>Couple additional techniques to think about as being possible cause for problems.</p><p></p><p>Your sprue wire probably comes off a spool. Long ago, I found that after I snipped off a length, I , then "straightened" it and then attach to waxed bridge, my chances of having a rocking casting increased considerably until I stopped that habit.</p><p></p><p>This second thought, I haven't completely worked out but: I'm beginning to wonder if the pre-waxed abutments might also be part of the problem.. I finally had worked through my old stock of Williams-Ivoclar abutments ( those light blue forms with the holes in them ),The new ones are definitely made out of a much softer wax. The number of bridges that now need to be soldered since using these new pre-waxed abutments has definitely gone up.</p></blockquote><p></p>
[QUOTE="wwcanoer, post: 82891, member: 706"] Couple additional techniques to think about as being possible cause for problems. Your sprue wire probably comes off a spool. Long ago, I found that after I snipped off a length, I , then "straightened" it and then attach to waxed bridge, my chances of having a rocking casting increased considerably until I stopped that habit. This second thought, I haven't completely worked out but: I'm beginning to wonder if the pre-waxed abutments might also be part of the problem.. I finally had worked through my old stock of Williams-Ivoclar abutments ( those light blue forms with the holes in them ),The new ones are definitely made out of a much softer wax. The number of bridges that now need to be soldered since using these new pre-waxed abutments has definitely gone up. [/QUOTE]
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How often do you get rocking bridges?
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