Guide for 3D Printing Custom Trays

Utilizing custom impression trays created through digital means offers several advantages, including consistent and accurate impressions, ultimately leading to improved patient outcomes.

This application guide serves as a comprehensive resource, detailing the step-by-step process for creating 3D printed custom trays. By following the recommended workflow outlined below, you can ensure precise and reliable results in your impressions.

Required Hardware

• Shape X RP
• Shape X 3D Printer
• Shape X Wash/Dry
• Shape X Cure

• 3rd Party Dental Lab scanner for dental models or impression.
• 3rd Party Intraoral scanner for direct patient scan.

Required Software

• Shape X CAM

• 3rd Party Dental CAD software for designing restoration.

Required Materials

• Shape X Custom Tray Resin.

• Isopropyl alcohol (IPA) ≥99% .
• Cutting tools.

In order to design a dental prosthetic using dental CAD software, it is necessary to obtain a digital representation of the patient's anatomy. This can be accomplished by either directly scanning the patient's mouth using a 3D intraoral scanner or by scanning a physical impression or poured model using a desktop 3D scanner.

To generate a custom impression tray for your dental model, it is important to carefully follow the instructions provided by your dental CAD software. These instructions will guide you in creating a dental model that meets the necessary requirements.

We recommend a minimum thickness of 2mm, Minimum handle thickness of 3mm, Retention holes of 3mm.

ZirkonZahn.Tray is a free dental CAD software for designing custom trays . Download it here for free.

Most dental design software typically generates a manufacturing file in the .stl format. To proceed, you need to find this file and transfer it to Shape X 3D Printer.

* Before Press "Print" button:

> Please ensure that the black screw of the build platform and the set of two screws that hold the resin container are securely tightened.

> Carefully inspect both the build platform and the resin container film to ensure there is no cured resin present.

> Ensure that the resin temperature falls within the recommended range of 25 to 35°C. Preheat the resin if necessary and mix it thoroughly with Shape X RP. Before use, clean the resin container with a filtration paper if it has been previously used. Additionally, ensure that the resin is not expired and that the quantity in the container is above the indicated minimum level.

4.1 Part Removal

To remove the printed parts from the build platform, utilize a scraping tool positioned beneath the part raft. By rotating the tool, gently separate the parts from the platform.

4.2 Washing

In a well-ventilated area and while wearing appropriate protective masks and gloves, submerge the printed parts in an isopropyl alcohol (IPA, ≥99%) solution within the Shape X Wash/Dry apparatus. Allow the parts to undergo a 3-minute washing cycle.

or submerge the printed parts in an isopropyl alcohol (IPA, ≥99%) solution within a black box. Allow the parts to undergo a 6-minute washing cycle.

4.2 Drying

Utilize compressed air to aid in the drying process of the parts, facilitating a quick inspection of unwashed resin remaining after using Shape X Wash/Dry machine.

4.3 Curing

1> While keeping the raft and supports intact, position the printed parts in the Shape X Cure device with the raft side facing downwards. Proceed to post-cure the parts for a duration of 2 minutes.

2> Remove Support structure and raft with cutting disc.

3> Clean Parts from white powder with IPA, then compressed air.

4> Position the printed parts in the Shape X Cure device. Proceed to post-cure the parts for a duration of 2 minutes.

4.4 Polishing

In the event that there are any rough marks remaining on the surface of the 3D printed tray after removing the supports, it is recommended to enhance patient comfort by smoothing down those areas. This can be accomplished using a wheel or carbide rotary with a handpiece, ensuring a smoother surface texture.

Now is ready to deliver.