“Printing aligners in-house” sounds like a single purchase. It is not — it is a short chain of equipment, and each link has a job. Here is the honest list, in the order a case moves through it.
1. Intraoral scanner
Everything starts with the scan. Accuracy at this stage sets the ceiling for everything downstream: no printer corrects a poor impression. If a practice already scans for crown and bridge, that scanner is usually the starting point.
2. Treatment planning
Staging the case is a separate decision from printing it. Some practices plan in-house; others send the scan for planning and print the returned files themselves. This is the single biggest fork in the road, because planning is a clinical skill with a real learning curve, while printing is a production process.
3. 3D printer
The printer must be validated for the aligner resin being used — resin and printer are a matched system, not interchangeable parts. Build volume determines how many stages you can produce per run, which matters more than headline speed once you are running multiple cases a week.
4. Spinner and curing unit
Post-processing is where in-house programmes most often go wrong. Excess resin is removed (a spinner is used for this rather than a manual rinse alone), and the aligner is then cured in the unit specified for the material. Under-curing and over-curing both change the mechanical behaviour of the finished aligner, so this step is not the place to improvise.
5. Finishing and QC
Inspection, trimming where required, and a documented check before delivery. Practices that run this well tend to have a written protocol and one person accountable for it.
Space, staffing and time
- Space: a bench with ventilation for the printer and post-processing equipment, away from clinical treatment areas.
- Staffing: one trained team member who owns production. Splitting it across everyone is the most common cause of inconsistency.
- Time: plan for a genuine onboarding period. Configuration and training are part of the purchase, not an afterthought.
Start where your volume is
A practice treating a handful of aligner cases a year rarely gets a return on a full production setup. A practice treating cases every month often does — and can move in stages, starting with planning support and adding production later. Our Aligner Solutions page compares the three routes side by side.
Talk to i-VISTAMED about Graphy
i-VISTAMED supplies and supports Graphy across Canada, with free shipping on registered dental practice accounts and a team that can help you match products to your workflow. Browse the Graphy range or download the Graphy catalogue.
Questions? Call +1 437 421 7746 or email info@ivistamed.com.
