Getting Started with 3D Printing in Dentistry: What Every Dental Professional Should Know

Getting Started with 3D Printing in Dentistry: What Every Dental Professional Should Know

Digital technology is transforming dentistry, and 3D printing is at the heart of this change. While many offices have already adopted chairside milling, many are adopting 3D printing. Whether you’re a dentist, dental assistant, or part of a lab team, learning how to use 3D printing can save time in the lab, improve accuracy, and open up new opportunities for careers and patient care.

If you’ve been curious but don’t know where to start, this guide will walk you through the essentials. Let's review how it works, the equipment needed, some beginner mistakes to avoid, and some examples of real-world cases showcasing what is truly possible when embracing digital dentistry.

 

 

Why 3D Printing Matters in Dentistry

3D printing is no longer “just for labs.” Practices of all sizes are integrating in-office printing to:

  • Reduce turnaround times for dentures, guards, and guides.

  • Lower lab costs by fabricating appliances in-house.

  • Improve patient experience with same-day solutions.

  • Gain greater control over accuracy and quality.

In short, digital printing isn’t the future — it’s becoming the new standard of care.

 

 

The Essential Equipment You’ll Need

Starting with 3D printing doesn’t require a full lab setup. At minimum, you’ll need:

3D Printer –Dental-grade resin printers have come a long way—they’re compact, increasingly user-friendly, and often more affordable than many clinicians expect. Today’s market offers a wide range of options, from hobbyist printers available on Amazon to highly specialized systems designed specifically for dental applications. Printers generally fall into two categories: open systems and closed systems.

Closed systems restrict you to the manufacturer’s validated resins, but in exchange, they are often considered “plug-and-play.” These printers are designed with clinicians in mind, offering straightforward setup, pre-set parameters, and strong technical support. This makes them ideal for dental teams who want to start printing with minimal troubleshooting. SprintRay, for example, is a popular closed system that comes at a higher price point (around $12,000) but includes validated workflows, extensive research, and dedicated customer support. Open systems, on the other hand, provide more flexibility. With the correct parameters, you can print a wide variety of third-party resins. However, this freedom requires more responsibility—meaning more time spent testing, calibrating, and troubleshooting.

Some manufacturers, like Ackuretta, offer a hybrid approach: their systems come pre-programmed with partner resins for convenience, but also allow you to load parameters for other resins when needed.

There are also versatile platforms like Formlabs, which designs printers for both medical and dental use. These systems balance accessibility with high-quality output, making them popular across multiple healthcare fields.

At the other end of the spectrum, a basic hobby printer might cost around $1,000, but comes with limited guidance, few validated dental workflows, and little to no customer support—putting the burden of experimentation on the user. Ultimately, the best choice depends on your goals, budget, and the amount of time you’re willing to invest in setup and troubleshooting. While hobby printers can get you started at a lower cost, dental-specific printers provide peace of mind with validated materials, research-backed protocols, and clinical reliability.


  • Resins –Resins are at the heart of dental 3D printing. Unlike general-purpose materials, dental-grade resins are engineered with specific applications in mind—each designed to meet clinical standards for safety, strength, and accuracy. Choosing the right resin for the job is just as important as selecting the right printer.

  • There are resins validated for nearly every aspect of dentistry, including:

    • Model resins – Used for study models, aligner models, and diagnostic casts. These prioritize speed and dimensional accuracy.

    • Splint resins – Durable, biocompatible materials designed for occlusal guards, night guards, and bite splints. They balance strength with patient comfort.

    • Surgical guide resins – Transparent, sterilizable materials that allow doctors to place implants with precision and predictability.

    • Denture base and tooth resins – FDA-cleared materials for printing denture frameworks and teeth, offering cost-effective, same-day removable solutions.

    • Temporary crown and bridge resins – Tooth-colored, aesthetic materials used for short-term provisionals, often with impressive wear resistance.

    • Clear aligner and retainer resins – Direct-print materials that eliminate the thermoforming step and give practices more control over orthodontic workflows.

What makes resins different from analog materials is not just their chemistry, but also their handling requirements. Each resin comes with validated print settings, wash protocols, and curing cycles to ensure it performs as intended. Skipping or altering these steps can compromise fit, strength, and safety.

It’s also important to understand that resins have limitations. Longevity varies depending on the application—what works perfectly for a temporary restoration may not be suitable for long-term wear. That’s why clinicians should always review a resin’s approved indications, clinical studies, and manufacturer guidelines before using it chairside.

As new formulations are released, the scope of what’s possible continues to grow. From same-day dentures to esthetic smile design mockups, dental resins are transforming workflows and expanding the services practices can confidently offer.



  • Wash Unit – The First Step in Post-Processing

Once a 3D print comes off the build plate, it isn’t ready to go straight into a patient’s mouth or even be tried in. At this stage, the printed object is still coated in a thin layer of uncured resin. This resin must be thoroughly removed—not only for accuracy, but also for biocompatibility and safety. Without this stage, prints would be covered in a high-volatility resin in its raw form and be dangerous to patients if not done correctly. That’s where the wash unit comes in.

A wash unit cleans freshly printed models, appliances, or guides in a bath of 91% or higher isopropyl alcohol (IPA) or other manufacturer-approved cleaning solution. The unit agitates the liquid around the print, dissolving and rinsing away excess resin. By using a wash unit rather than hand-rinsing, you get a far more consistent clean, which ensures the surface is smooth and ready for curing.

Proper washing is a critical step in achieving a high-quality, accurate final product. If any residual resin is left behind, it can interfere with fit, cause rough surfaces, or even compromise the appliance’s longevity. In addition, incomplete cleaning can pose safety risks, since uncured resin is not meant for intraoral use.

Different wash units vary in size, agitation method (magnetic stir vs. ultrasonic), and capacity. Some printers even have automated wash systems integrated into their workflow, which minimizes handling and reduces the chance of contamination. For busy practices, this can save time and help standardize results across every case.

When selecting a wash unit, it’s important to:

  • Use 91% or higher IPA (or the resin manufacturer’s recommended cleaner)

  • Change the alcohol regularly to avoid resin saturation

  • Ensure the unit is large enough for the type of models or appliances you plan to print.


Curing Unit – The Final Step to Strength and Safety

After a print has been washed to remove excess resin, it still isn’t ready for patient use. At this stage, the material has shape but not its final strength, accuracy, or safety. That’s where the curing unit comes in.

A curing unit uses controlled UV light and heat to fully harden the printed material, locking in its physical properties. This step transforms the print from a fragile object into a durable, biocompatible appliance that is safe to place in the patient’s mouth. Without proper curing, prints remain weaker, more prone to wear or breakage, and may even release residual monomers that could irritate soft tissues.

Proper curing is essential for:

  • Biocompatibility – ensures the appliance meets medical safety standards for intraoral use.

  • Strength and durability – finalizes the flexural strength and wear resistance needed for splints, dentures, and other load-bearing devices.

  • Accuracy and stability – helps prevent warping or distortion over time, ensuring a precise fit.

  • Longevity – maximizes the lifespan of the printed appliance for reliable daily use.

When choosing a curing unit, consider:

  • Compatibility with the resins you use

  • Chamber size for the appliances you plan to print

  • Validation studies provided by the manufacturer

Just as washing is critical for removing uncured resin, curing is the step that makes your prints clinically usable. Together, these processes ensure that every appliance meets the highest standards of safety, strength, and reliability.

 

 

 

A Simple Digital Workflow Example - Surgical Guide

Here’s a straightforward case every dental professional can visualize:

  1. Intraoral Scan – Capture the patient’s dentition digitally (no more alginate mess) nd take digital CT. These will be merged into the design for amazingly accurate results.

  2. Design – Use CAD software (or a lab service) to design a surgical guide.

  3. Print – Send the file to your 3D printer and produce the guide in about 40 minutes. (hands off)

  4. Post-Process – Wash and cure.

  5. Deliver – Make your implant placement appointments fast, predictable, and easy.

This workflow eliminates multiple appointments, removes challenges associated with unguided surgery, keeps lab costs very minimal, and ensures optimal cosmetic and functional outcomes.

 

 

A Simple Digital Workflow Example - Occlusal Guard

Here’s a straightforward case every dental professional can visualize:

  1. Intraoral Scan – Capture the patient’s dentition digitally (no more alginate mess).

  2. Design – Use design software, AI, or an outsourced designer.

  3. Print – Send the file to your 3D printer (45 min hands off)

  4. Post-Process – Wash, cure, polish.

  5. Deliver – Very accurate, often no adjustments.

This workflow eliminates multiple appointments, quick turnaround, and very low lab overhead.

____________________________________________________________________________

Common Mistakes Beginners Make (and How to Avoid Them)

  1. Lack of dedicated Gaming computer for design- A dedicated, quality gaming computer with a good graphics card for design software is critical. Invest in a dedicated computer for lab work with a fast processor. If you are unsure what computer to purchase, visit a computer sales store for help deciding which one.

  2. Lack of training- The right education shortens your learning curve and prevents expensive errors. Print fails, and mistakes are bound to happen when learning any new technology. Find a good education platform and invest in training for the doctor and supporting staff to excel in digital dentistry. Training your staff empowers them, and when team members feel empowered, appreciated, and compensated, they are loyal, trustworthy, and passionate.

  3. Fully Trusting AI- Never fully trust the AI-generated supports - review results carefully. Poor nesting setup leads to failed prints, wasted time, or wasted resin. Always choose to adjust supports, check for yourself, and change as needed. Depending on the print (guard, denture, model) it will be sliced and nested differently; follow the recommended protocols for each specific print.

  4. Material Knowledge: A key factor in mastering dental 3D printing is understanding that printed materials are not identical to traditional analog materials. Resins are formulated with specific properties and indications, and they require different approaches for preparation, bonding, and finishing. For example, a printed crown may have a different surface treatment protocol compared to a pressed ceramic, and a printed splint may not offer the same flexural strength as one fabricated through traditional methods. Each material comes with its own approved indications, handling protocols, and longevity data. Some resins are FDA-cleared for long-term intraoral use, while others are designed only for short-term provisionals or diagnostic models. Understanding these distinctions is critical for ensuring both safety and predictable performance. 3D printing offers incredible versatility—allowing us to fabricate appliances such as occlusal guards, dentures, surgical guides, cosmetic wax-ups, and even direct-print retainers. However, clinicians must remember that the mechanical properties of printed resins (such as flexural strength, wear resistance, and fracture toughness) can differ significantly from traditional materials like acrylics, ceramics, or metals.

  5. Taking it too fast - Start with easier applications, such as models and guards. Master them before moving on to something more complex, like dentures. Trying to learn too many things at once is sure to be overwhelming and daunting. Start with the easier stuff, then make your way up once you have mastered and feel comfortable with the previous application.

An educated, empowered, and well-trained team can perform nearly all applications of 3d printing. This includes design, printing, and post-processing, and in some places, delivery. This allows the doctor to focus on higher-value procedures such as crown preparations or implant placements—while still maintaining oversight and quality control of lab work. By training an in-house technician to follow precise protocols and preferences, the doctor no longer depends on an external lab to remember individualized specifications, resulting in greater consistency, efficiency, and control.

 

 

Final Thoughts

3D printing may feel intimidating at first. The machines look technical, the software seems complex, and the workflows can feel overwhelming. But like most things in dentistry, once you break it down into steps and get the right guidance, it can be a career-advancing game changer.

Back to blog