Minimally Invasive. Maximally Precise.
Inlays and Onlays require a higher level of precision than standard crowns. Our Inlay & Onlay Design Service focuses on exact internal adaptation and smooth margin transitions to ensure your milled restorations drop in perfectly without binding.
Whether you are milling Lithium Disilicate (E.max) or Zirconia, our senior technicians adjust the cement gap and drill radius compensation to match your specific milling machine capabilities.
Technical Specifications
We strictly follow the parameters required for successful conservative restorations:
Design Parameters
- Internal Fit: Customized cement gap (typically 30-50µm) based on your material.
- Minimum Thickness: 1.0mm – 1.5mm (cusp coverage) to prevent fracture.
- Undercuts: Blocked out strictly to the path of insertion.
- Contacts: Broad and firm contact points for stability.
Restoration Types
- Standard Inlay/Onlay: For MOD or complex cavities.
- Tabletops (Occlusal Veneers): For wear cases and vertical dimension increase.
- Endo-Crowns: Retention driven by the pulp chamber.
Why Outsource Inlays?
Inlay designs can be time-consuming due to the complex geometry of the preparation. By outsourcing to China Dental Designs, you free up your scanners and designers to focus on high-value full arch cases while we handle the meticulous posterior work overnight.
Simple Submission Process
- Scan: Ensure margins are clearly visible (retraction cord recommended).
- Send: Email STL files or use our upload portal. Specify material (e.g., E.max Press or Mill).
- Receive: Download the design file by 8:00 AM EST the next day.
Get A Quote / Trial
Have a complex multi-unit onlay case? Send us the files for a test design.
Email your STL files to: chinadentaldesigns@gmail.com


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