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Lab talk, the good, the bad, and the ugly
Dental-CAM
Zirconium Titanium Hybrid?
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<blockquote data-quote="CoolHandLuke" data-source="post: 209638" data-attributes="member: 4850"><p>so you do want to continue making ti bars and adding zirconia overlay ? this you will have to engineer yourself.</p><p></p><p>let me give you a tip though, to help save time and aggravation with scanning.</p><p></p><p>do the design of the bar in 3 shape, then when it is time to design the zirconia use the Copy function. right click on your order, select Copy and Append design to preparation scan.</p><p></p><p>this will generate a new order, and pull up an order form.</p><p></p><p>at this stage just click OK and leave that new order ALONE. </p><p></p><p>scan the waxup in yet another new order and also save and leave it alone. if the waxup is on the bar on the SAME model as before for the bar, this will work: create the final order, mark the order as having a waxup, do your tooth elements and gingiva however they need to be. click OK, and IMPORT the scans from the previous two orders. to do this select your order, right click select import scans, and navigate to the location of the orders as appropriate. the import window will prompt you for what scan it needs.</p><p></p><p>this is why its important to segregate it - the order with the Appended design of the bar will have no holes in it, never need rescanning, and be a smooth working area with no distortion. once you begin working you can align the waxup and bar model using the alignment tools BUT only if they are scans of the WHOLE model - of the waxup and of the bar. the landmarks made un the palatal or lip areas will be the landmarks needed to align the wax over the bar for you to copy.</p><p></p><p>look i wish you the very best. but this is as you correctly pointed out, overengineered. a zirconia with no bar would appear far less grey and much more natural and a lot lighter weight. but if bars are your thing then more power to you. best of luck.</p><p></p><p>i'd like to help but honestly i can be of no further use here. been working 3shape since 06-7 and theres just too many preferences to juggle to help you further. </p><p></p><p>either way let us know how it goes.</p></blockquote><p></p>
[QUOTE="CoolHandLuke, post: 209638, member: 4850"] so you do want to continue making ti bars and adding zirconia overlay ? this you will have to engineer yourself. let me give you a tip though, to help save time and aggravation with scanning. do the design of the bar in 3 shape, then when it is time to design the zirconia use the Copy function. right click on your order, select Copy and Append design to preparation scan. this will generate a new order, and pull up an order form. at this stage just click OK and leave that new order ALONE. scan the waxup in yet another new order and also save and leave it alone. if the waxup is on the bar on the SAME model as before for the bar, this will work: create the final order, mark the order as having a waxup, do your tooth elements and gingiva however they need to be. click OK, and IMPORT the scans from the previous two orders. to do this select your order, right click select import scans, and navigate to the location of the orders as appropriate. the import window will prompt you for what scan it needs. this is why its important to segregate it - the order with the Appended design of the bar will have no holes in it, never need rescanning, and be a smooth working area with no distortion. once you begin working you can align the waxup and bar model using the alignment tools BUT only if they are scans of the WHOLE model - of the waxup and of the bar. the landmarks made un the palatal or lip areas will be the landmarks needed to align the wax over the bar for you to copy. look i wish you the very best. but this is as you correctly pointed out, overengineered. a zirconia with no bar would appear far less grey and much more natural and a lot lighter weight. but if bars are your thing then more power to you. best of luck. i'd like to help but honestly i can be of no further use here. been working 3shape since 06-7 and theres just too many preferences to juggle to help you further. either way let us know how it goes. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAM
Zirconium Titanium Hybrid?
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