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Lab talk, the good, the bad, and the ugly
Dental-CAD
Analog vs Digital
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<blockquote data-quote="CoolHandLuke" data-source="post: 293262" data-attributes="member: 4850"><p>this is a job for Metrology.</p><p></p><p>so, job 1 is to scan your printed model and compare it with the scan of your stone model. download GOM inspection software (free) and use it to Align both scans, and then use the built in comparison tools to compare one scan to another. for this to work simply import one scan as CAD body.</p><p></p><p>job2, scan your emax and compare with the designed tooth.</p><p></p><p>this way you will be able to visualize the aspect of error, and pinpoint where it began to corrupt in the process. this way you will also be able to visualize how one swing in the +/- accuracy can eviscerate the quality of a case. scan +/- 20um (twice) and built in error of the printer (30um) gives you a total allowable error of 70um, so in your comparison in GOM ignore any data between -70 and +70 um</p><p></p><p>the same for your milled emax. but i dont know what you are using to mill so ive elected to not include an example on the grounds i think i've made it clear already.</p></blockquote><p></p>
[QUOTE="CoolHandLuke, post: 293262, member: 4850"] this is a job for Metrology. so, job 1 is to scan your printed model and compare it with the scan of your stone model. download GOM inspection software (free) and use it to Align both scans, and then use the built in comparison tools to compare one scan to another. for this to work simply import one scan as CAD body. job2, scan your emax and compare with the designed tooth. this way you will be able to visualize the aspect of error, and pinpoint where it began to corrupt in the process. this way you will also be able to visualize how one swing in the +/- accuracy can eviscerate the quality of a case. scan +/- 20um (twice) and built in error of the printer (30um) gives you a total allowable error of 70um, so in your comparison in GOM ignore any data between -70 and +70 um the same for your milled emax. but i dont know what you are using to mill so ive elected to not include an example on the grounds i think i've made it clear already. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAD
Analog vs Digital
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