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Lab talk, the good, the bad, and the ugly
3D Printer
This may be my last thread.
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<blockquote data-quote="Scott Bradley" data-source="post: 296681" data-attributes="member: 21128"><p>Even if we could cure that resin in the impression it would be a solid model. Resin is too expensive to do solid models. I am able to create hollow models where I am just getting half of each adjacent tooth to check the contact after glazing. I never have to add contacts and the occlusion is spot on. It takes me 2 min to design a model and then I batch print and walk away. When they are done printing 2-4 hours later I put the units in a wash and when the cycle is done I put them in the cure unit. All in all there is practically zero labor on my part and the models are extremely accurate. I have it down to about 3ml of liquid resin per model. At $150 per liter I am paying about $.50 per model. </p><p>Add to that the formlab printers I have cost around $3400 and the wash and cure systems together are around $1000 I find it SO much cheaper and accurate to scan the impressions (which take a couple of minutes longer than a model but you have to consider that I am going to scan the model anyways) and design a model than to pour up, cut, trim, prepare, break, re-pour, curse.... The investment in the software and printers seems huge at first but the return is massive!</p><p>Also, formlabs just came out with a denture resin where you can print the base and the teeth at a fraction of the cost and time compared to the traditional methods.</p><p>There is almost zero waste in printing models.</p></blockquote><p></p>
[QUOTE="Scott Bradley, post: 296681, member: 21128"] Even if we could cure that resin in the impression it would be a solid model. Resin is too expensive to do solid models. I am able to create hollow models where I am just getting half of each adjacent tooth to check the contact after glazing. I never have to add contacts and the occlusion is spot on. It takes me 2 min to design a model and then I batch print and walk away. When they are done printing 2-4 hours later I put the units in a wash and when the cycle is done I put them in the cure unit. All in all there is practically zero labor on my part and the models are extremely accurate. I have it down to about 3ml of liquid resin per model. At $150 per liter I am paying about $.50 per model. Add to that the formlab printers I have cost around $3400 and the wash and cure systems together are around $1000 I find it SO much cheaper and accurate to scan the impressions (which take a couple of minutes longer than a model but you have to consider that I am going to scan the model anyways) and design a model than to pour up, cut, trim, prepare, break, re-pour, curse.... The investment in the software and printers seems huge at first but the return is massive! Also, formlabs just came out with a denture resin where you can print the base and the teeth at a fraction of the cost and time compared to the traditional methods. There is almost zero waste in printing models. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
3D Printer
This may be my last thread.
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