# Best Separator For Pressure Formed Dental Retainers

**URL:** <https://forum.formlabs.com/t/best-separator-for-pressure-formed-dental-retainers/21180>\
**Category:** Support & Troubleshooting\
**Created:** [November 13, 2018, 2:50pm UTC](https://forum.formlabs.com/t/best-separator-for-pressure-formed-dental-retainers/21180 "2018-11-13T14:50:12Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Twinblock](https://avatars.discourse-cdn.com/v4/letter/t/5fc32e/32.png) [@Twinblock](https://forum.formlabs.com/u/Twinblock)\
**Post date:** [November 13, 2018, 2:50pm UTC](https://forum.formlabs.com/t/best-separator-for-pressure-formed-dental-retainers/21180/1 "2018-11-13T14:50:12Z")

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Hi we are about to start using formlabs 2 printed models to pressure form orthodontic dental retainers. What’s the best seperator to use. And which resin works best grey or dental model.

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**Author:** ![DGalakt](https://avatars.discourse-cdn.com/v4/letter/d/73ab20/32.png) [@DGalakt](https://forum.formlabs.com/u/DGalakt)\
**Post date:** [November 13, 2018, 4:48pm UTC](https://forum.formlabs.com/t/best-separator-for-pressure-formed-dental-retainers/21180/2 "2018-11-13T16:48:00Z")

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Regarding resin the dental model resin gives by far the best result. Now regarding a separation agent, I also had the same question when starting but I found out that I did not need any (in a few cases where you have edentulous areas and you have difficulty removing the retainer, it is better to add block out on the mesio-distal of those teeth to remove the retainer easier).

Just noting that I have used the normal separation agent I use for gyps models and it did not have any effect at the surface of the model, so if you are keen on using a separation agent you can go for the one you use already for plaster models.

 ![IMG_6508](https://us1.discourse-cdn.com/flex025/uploads/formlabs/original/2X/4/421f94b51960ca2fcdedee656e84a15cbec019eb.jpg)

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**Author:** ![Twinblock](https://avatars.discourse-cdn.com/v4/letter/t/5fc32e/32.png) [@Twinblock](https://forum.formlabs.com/u/Twinblock)\
**Post date:** [November 13, 2018, 5:37pm UTC](https://forum.formlabs.com/t/best-separator-for-pressure-formed-dental-retainers/21180/3 "2018-11-13T17:37:31Z")

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Thanks, I will try that. It will be so much easier if we can avoid using a separator.

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**Author:** ![system](https://us1.discourse-cdn.com/flex025/uploads/formlabs/original/3X/5/b/5bc2bdf993ff27c2e0eecab5010b25626fbb327a.png) [@system](https://forum.formlabs.com/u/system)\
**Post date:** [November 27, 2018, 5:37pm UTC](https://forum.formlabs.com/t/best-separator-for-pressure-formed-dental-retainers/21180/4 "2018-11-27T17:37:47Z")

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