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Lab talk, the good, the bad, and the ugly
Dental-CAM
Problems milling zirconia inlays/onlays with a Rolland DWX-52dci, chips and more chips
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<blockquote data-quote="AKP" data-source="post: 323833" data-attributes="member: 23103"><p>I used to have issues that my margin would chip like that. But usually after checking some things i was able to fix it. Here is what i would do:</p><p>1. Check air pressure on your Roland (should be at 2)</p><p>2. Clean mill very well.</p><p>3.Run calibration.</p><p>4.Check your tools. (2mm tool should be in slot 1,1mm in slot 2, 0.6mm in slot 3)</p><p>5. Are you using brush on your Roland 52DCi? If yes remove it and during caming disable it (Millbox had been having issue for over a year now with brush that it comes with - we dont use it anymore).</p><p>6. Make sure that tools are set up correctly.</p><p>7. Cam case in brand new puck. Create new puck for that case (maybe somewhere there was an issue of the hight of the puck. You want to cover everything). Make sure puck is very secure in fixture.</p><p>8. while caming change offset from 2.5 to 3 or higher. Just to add extra space for tools to work around this case. </p><p>9. Based on your picture I would put pins higher on the crown, as far from margin as possible, onthe thickest parts of the crown.</p><p>10. Someone advise to remove margin from Veneer. It something that I would do as well. With margin on that veneer what is the angle of the restoration? Maybe you dont have enough space for tools to work around because angle is high.</p><p>11. Cam case; watch simulation. If nothing comes out on simulation and it is still brakes call your support company. Something is off with mill.</p><p></p><p>If you cover all those steps and it is comes out bad, at least you can tell your support that you have done everything that is possible from your side and they better figure it out right the way!! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /> </p><p></p><p>PS. I heard about new version of Millbox that came out in April, and lets face it, half country was on lockdown, so I didnt get it yet. Waiting few more months before I update my system. Not enough people got newer version which means we dont know about gliches. Which in the end could be an issue.... But that is your last step, going back to previous version of MillBox.</p></blockquote><p></p>
[QUOTE="AKP, post: 323833, member: 23103"] I used to have issues that my margin would chip like that. But usually after checking some things i was able to fix it. Here is what i would do: 1. Check air pressure on your Roland (should be at 2) 2. Clean mill very well. 3.Run calibration. 4.Check your tools. (2mm tool should be in slot 1,1mm in slot 2, 0.6mm in slot 3) 5. Are you using brush on your Roland 52DCi? If yes remove it and during caming disable it (Millbox had been having issue for over a year now with brush that it comes with - we dont use it anymore). 6. Make sure that tools are set up correctly. 7. Cam case in brand new puck. Create new puck for that case (maybe somewhere there was an issue of the hight of the puck. You want to cover everything). Make sure puck is very secure in fixture. 8. while caming change offset from 2.5 to 3 or higher. Just to add extra space for tools to work around this case. 9. Based on your picture I would put pins higher on the crown, as far from margin as possible, onthe thickest parts of the crown. 10. Someone advise to remove margin from Veneer. It something that I would do as well. With margin on that veneer what is the angle of the restoration? Maybe you dont have enough space for tools to work around because angle is high. 11. Cam case; watch simulation. If nothing comes out on simulation and it is still brakes call your support company. Something is off with mill. If you cover all those steps and it is comes out bad, at least you can tell your support that you have done everything that is possible from your side and they better figure it out right the way!! :D PS. I heard about new version of Millbox that came out in April, and lets face it, half country was on lockdown, so I didnt get it yet. Waiting few more months before I update my system. Not enough people got newer version which means we dont know about gliches. Which in the end could be an issue.... But that is your last step, going back to previous version of MillBox. [/QUOTE]
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Problems milling zirconia inlays/onlays with a Rolland DWX-52dci, chips and more chips
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