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Sprint Ray

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Sprint Ray
Company typePrivate
IndustryDental technology, 3D printing
Founded2014; 12 years ago (2014)
FoundersAmir Mansouri, Jasper Jing Zhang, and Hossein Bassir
Headquarters
Los Angeles, California
,
U.S.
Key people
Erich Kreidler (President)

SprintRay Inc. is an American dental technology company headquartered in Los Angeles, California.[1] Founded in 2014, it operates in the dental additive manufacturing sector, with a focus on 3D printing systems and materials used in clinical and laboratory dentistry.[2][3]

History

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The company was founded by Amir Mansouri, Jasper Jing Zhang, and Hossein Bassir, following research conducted at the USC Viterbi School of Engineering.[4]

In 2016, the company raised $500,000 through Kickstarter to fund development of its first 3D printer, the MoonRay. Although initially positioned for general prototyping, subsequent development efforts shifted toward dental applications.[5][6]

In 2019, the company introduced the Sprint Ray Pro series of dental printers.[7][8][9][10][11]

In 2022, it completed a $100 million Series D funding round led by SoftBank Vision Fund. In 2024, Sprint Ray was granted patents related to a magnetic locking system for printing platforms and a multi-stage wash process for post-processing printed parts.[12]

In September 2025, Sprint Ray acquired the dental product portfolio of EnvisionTEC (ETEC) from Desktop Health.[13][14]

Material research and collaborations

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The company's primary material for permanent restorations is a resin-based composite marketed as Ceramic Crown.[15][16][17]

Research published in the Journal of Esthetic and Restorative Dentistry and Odontology has evaluated its mechanical performance, noting that printed resins generally exhibit a lower elastic modulus and higher surface roughness after simulated aging than traditional milled lithium disilicate blocks.[18][19]

The company has also entered material validation agreements with dental manufacturers, including a collaboration with Ivoclar Group announced in 2024 and an earlier agreement with BEGO relating to ceramic-filled resins for permanent restorations.[20]

The company also maintains a partnership with Usain Bolt for dental initiatives in Jamaica.[21]

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In 2021, Sprint Ray was involved in a patent infringement suit brought by EnvisionTEC (a subsidiary of Desktop Metal) regarding the layer separation technology in its "Pro" series printers. A preliminary injunction was briefly issued in Germany prohibiting the sale of these models in that jurisdiction.[22]

The dispute was resolved following Sprint Ray's acquisition of the EnvisionTEC dental portfolio in 2025.[13][14]

Recognition

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In 2025, co-founders Amir Mansouri and Jasper Jing Zhang were named recipients of the EY Entrepreneur of the Year Award for the Greater Los Angeles region. That same year, Sprint Ray was included in Fast Company's annual list of medical device companies identified for innovation.[23]

References

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  1. ^ Shao, Dr Steven (2025-06-27). "Single-appointment 3D printing of inlays and onlays with Midas". Dental Tribune International. Archived from the original on 2025-07-08. Retrieved 2025-11-15.
  2. ^ Fahmi, Mohammed K. "The Impact of Surface Treatments and 3D Printing Machines on the Biaxial Flexural Strength of 3DPrinted Composite Resins" (PDF). The Open Dentistry Journal.
  3. ^ "Putting chairside 3D printing in the spotlight". British Dental Journal. 238 (8): 667. 2025. doi:10.1038/s41415-025-8701-8. ISSN 1476-5373.
  4. ^ Mohasseb, Sid; Sathyanarayanan, Divya. "SprintRay: Kick-starting Growth ^ SCG551". Harvard Business Review. Retrieved 2026-01-08.
  5. ^ Fine, Howard (2022-03-07). "Sprint Ray Sinks Teeth Into Dental Products Market With 3D Printers". Los Angeles Business Journal. Retrieved 2025-11-15.
  6. ^ "SprintRay: Kick-starting Growth". The Case Centre. Retrieved 2026-01-26.
  7. ^ "Characterization of materials used for 3D printing dental crowns and hybrid prostheses". researchgate.
  8. ^ "First of its kind ceramic crown resin". British Dental Journal. 238 (2): 138. 2025. doi:10.1038/s41415-025-8367-2. ISSN 1476-5373.
  9. ^ Ling, Long; Taremi, Nahal; Malyala, Raj (2022-03-01). "A Novel Low-Shrinkage Resin for 3D Printing". Journal of Dentistry. 118 103957. doi:10.1016/j.jdent.2022.103957. ISSN 0300-5712. PMID 35038476.
  10. ^ Bora, Pranit (2024-01-01). "Crown Fatigue Resistance And Enamel Wear Of 3D Printed Resin Compared To Lithium Disilicate". All ETDs from UAB.
  11. ^ Davies, Sam (2024-05-15). "Sprint Ray launches new 3D printer & materials for dental market". TCT Magazine. Retrieved 2025-11-15.
  12. ^ "Patents Assigned to SprintRay Inc". Justia.
  13. ^ a b Sam, David (2024-07-23). "Carbon validates Sprint Ray's FDA-cleared OnX Tough 2 3D printing resin for M-series machines". TCT. Retrieved 2025-11-15.
  14. ^ a b Saunders, Sarah (2025-07-01). "The Dental Additive Manufacturing Market Could Nearly Double by 2033, According to AM Research". 3DPrint.com | Additive Manufacturing Business. Retrieved 2025-11-15.
  15. ^ "First of its kind ceramic crown resin". British Dental Journal. 238 (2): 138. 2025. doi:10.1038/s41415-025-8367-2. ISSN 1476-5373.
  16. ^ Rizzante, Fabio; Hales, Hannah; Teich, Sorin; Furuse, Adilson Yoshio; Mendonça, Gustavo; Brennes, Christian (2025). "Are physical and mechanical properties of 3D resins dependent on the manufacturing method?". Odontology. 113 (2): 542–548. doi:10.1007/s10266-024-00985-3. ISSN 1618-1255. PMC 11950046. PMID 39136844.
  17. ^ Abad-Coronel, Cristian; Bravo, Manuel; Tello, Salomé; Cornejo, Emilia; Paredes, Yirelly; Paltan, Cesar A.; Fajardo, Jorge I. (2023-09-15). "Fracture Resistance Comparative Analysis of Milled-Derived vs. 3D-Printed CAD/CAM Materials for Single-Unit Restorations". Polymers. 15 (18): 3773. doi:10.3390/polym15183773. ISSN 2073-4360. PMC 10537497. PMID 37765627.
  18. ^ Duarte, Sillas; Phark, Jin-Ho (2025). "Advances in Dental Restorations". Journal of Esthetic and Restorative Dentistry. 37 (1): 257–276. doi:10.1111/jerd.13371.
  19. ^ Rizzante, Fabio (2025). "Are physical and mechanical properties of 3D resins dependent on the manufacturing method?". Odontology. 113 (2): 542–548. doi:10.1007/s10266-024-00985-3.
  20. ^ Izadi, Ava. "Sprint Ray, a USC Viterbi-Born Business, Wins Prestigious E&Y 2025 Entrepreneur of the Year Award". USC Viterbi. Retrieved 2025-11-15.
  21. ^ Thompson, Jackson (2021-10-25). "Usain Bolt on dental care in Jamaica". Business Insider.
  22. ^ "Desktop Metal gets injunction to prevent SprintRay from selling 'Pro' 3D printers in Germany". 3D Printing Industry. 2021-12-02.
  23. ^ Gupta, Shalene (2025-03-18). "The most innovative medical devices of 2025". Fast Company.
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