A new era of
personalized accurate patient specific
surgical care

OMF surgery

Neuro Surgery

trauma surgery

orthopedic surgery

ENT

The 3D lab Groningen, part of the UMCG (University Medical Center Groningen), utilizes advanced 3D technologies to make surgical procedures and treatments safer, faster, and more precise. The lab focuses on various specialties such as Oral and Maxillofacial Surgery, Trauma Surgery, Orthopedics, and Neurosurgery. The passionate team of Technical Physicians and Design Specialists works daily on innovative solutions that improve the quality of care. In 2024, the 3D lab Groningen became the first 3D lab in the Netherlands to obtain an ISO 13485 certificate, highlighting its dedication to high-quality care and medical innovation.

Oral and Maxillofacial Surgery

In the specialty of oral and maxillofacial surgery 3D technology is used frequently in daily practice. The use of this technology assures safer, faster and more accurate surgical procedures. In addition, this technology is applied by the physician to discuss treatment options with the patients, in order to optimize the shared decision for the treatment.
The UMCG 3D lab was initiated by the department of OMFS and it is, therefore, also the department that has had the largest contribution to the development of the 3D technology and its safe and adequate clinical application in our institution.

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Neurosurgery

The use of 3D virtual surgical planning and patient-specific guides are used for a variety of procedures within the specialty of neurosurgery. One of the major procedures that involves the use of 3D technology is the screw insertion during spinal fixation surgery, where 3D-printed drill guides help to achieve more accurate screw positioning. In addition, the correction of severe kyphoscoliosis (in collaboration with orthopedic surgery) and the reconstruction of skull defects, are procedures in which 3D technology helps to achieve safer and more accurate surgical outcomes.

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Trauma surgery

Complex injuries are often dealt with in the field of trauma surgery. Using 3D imaging, these injuries can be visualized more accurately to increase the surgeons understanding of the injury. Furthermore, it is also possible to create a surgical planning and to 3D print patient-specific accessories to carry out the surgical plan.

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Orthopedic Surgery

The orthopedic surgeons performs scoliosis surgery with the help of 3D virtual planning and patient-specific guides. In this field, 3D technology is also used for the design and fabrication of patient-specific antibiotic loaded cement spacers, and for Corrective Osteotomy of Extremity Malunions. In addition to surgical accessories, it is also possible to produce patient specific implants.

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Ear, Nose, Throat (ENT)

Ear, Nose, Throat (ENT) surgeons often perform surgery on small structures where accuracy is of utmost importance for the primary result. In these cases, 3D planning and 3D printed devices are applied. An example of this is the repositioning of vocal cords with implants to restore or improve voice. 3D planning of implant dimensions and position enable surgeons to perform such procedures faster and more accurate. 

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3D Design

For many interventions within various disciplines, having a 3D virtual planning is not sufficient to achieve the desired result and physical medical devices are required. The 3D lab applies techniques, software and knowledge to develop patient-specific devices in addition to a virtual planning, varying from drilling and sawing templates to patient-specific implants and prostheses.

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External 3D planning Service

The 3D Lab Groningen also offers 3D virtual surgical planning for external hospitals, both regionally and beyond. Our team has broad expertise, enabling us to provide planning for various specialties such as maxillofacial surgery, orthopedics, trauma surgery, and neurosurgery.

All planning is conducted under our own ISO 13485 certification. For production, we collaborate with 3D Medical Models; they adhere to the same guidelines.

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Meet the team

3D Lab Team3D AmbassadorsFoundersCompleted PhD's

Joep Kraeima

TECHNICAL PHYSICIAN / COORDINATOR 3D-LAB

Joep Kraeima

TECHNICAL PHYSICIAN / COORDINATOR 3D-LAB

3D-EXPERT: ORAL & MAXILLOFACIAL SURGERY - COMPLETED PHD IN MAY 2019

MAX WITJES

ORAL & MAXILLOFACIAL SURGEON

MAX WITJES

ORAL & MAXILLOFACIAL SURGEON

PROFESSOR OF HEAD & NECK ONCOLOGY

BRAM MEREMA

MECHANICAL ENGINEER

BRAM MEREMA

MECHANICAL ENGINEER

3D DESIGN EXPERT: ORAL & MAXILLOFACIAL SURGERY / COMPLETED PHD IN NOVEMBER 2023

PETER PIJPKER

TECHNICAL PHYSICIAN

PETER PIJPKER

TECHNICAL PHYSICIAN

3D-EXPERT: NEUROSURGERY AND ORTHOPEDICS - COMPLETED PHD IN MARCH 2022

ANNE MEESTERS

TECHNICAL PHYSICIAN

ANNE MEESTERS

TECHNICAL PHYSICIAN

3D-EXPERT: TRAUMA SURGERY - COMPLETED PHD IN SEPT 2022

Nick Assink

TECHNICAL PHYSICIAN

Nick Assink

TECHNICAL PHYSICIAN

3D-EXPERT: TRAUMA SURGERY / PHD

Miriam Oldhoff

BIOMEDICAL ENGINEER

Miriam Oldhoff

BIOMEDICAL ENGINEER

3D DESIGN EXPERT: TRAUMA SURGERY

Katrijn Straatman

QUALITY COORDINATOR

Katrijn Straatman

QUALITY COORDINATOR

SANDER TABERNÉE HEIJTMEIJER

TECHNICAL PHYSICIAN

SANDER TABERNÉE HEIJTMEIJER

TECHNICAL PHYSICIAN

3D-EXPERT: ORAL & MAXILLOFACIAL SURGERY & ORTHOPAEDICS / PHD

JORN-IDS HEINS

INDUSTRIAL ENGINEER

JORN-IDS HEINS

INDUSTRIAL ENGINEER

3D DESIGN EXPERTISE: ORAL & MAXILLOFACIAL SURGERY / PHD

Reinier ten Brink

TECHNICAL PHYSICIAN

Reinier ten Brink

TECHNICAL PHYSICIAN

3D EXPERTISE: ORAL & MAXILLOFACIAL SURGERY / PHD

ANNELIES MULDER

BIOMEDICAL ENGINEER

ANNELIES MULDER

BIOMEDICAL ENGINEER

3D DESIGN EXPERT: ENT / PHD

Fleur van der Kaaij

Technical Physician

Fleur van der Kaaij

Technical Physician

3D EXPERTISE: NEUROSURGERY / PHD

SUZANNE VAN WEES

BIOMEDICAL ENGINEER

SUZANNE VAN WEES

BIOMEDICAL ENGINEER

3D DESIGN EXPERTISE: TRAUMA SURGERY

MIRKA BUIST

INDUSTRIAL ENGINEER

MIRKA BUIST

INDUSTRIAL ENGINEER

3D DESIGN EXPERTISE: TRAUMA SURGERY

News

PHD thesis

recent publications

  1. Roelofs, LJM, Assink, N, Kraeima, J, Ten Duis, K, Doornberg, JN, de Vries, JPM, Meesters, AML, IJpma, FFA. Clinical Application of 3D-Assisted Surgery Techniques in Treatment of Intra-Articular Distal Radius Fractures: A Systematic Review in 718 Patients.. J Clin Med. 2024;13 (23):. PubMed PMID:39685754 PubMed Central PMC11642203.
  2. Tabernée Heijtmeijer, S, Glas, H, Janssen, N, Vosselman, N, de Visscher, S, Spijkervet, F, Raghoebar, G, de Bree, R, Rosenberg, A, Witjes, M, Kraeima, J. Accuracy of augmented reality navigated surgery for placement of zygomatic implants: a human cadaver study.. PeerJ. 2024;12 :e18468. PubMed PMID:39670105 PubMed Central PMC11636531.
  3. Spek, RWA, Smith, WJ, Sverdlov, M, Broos, S, Zhao, Y, Liao, Z, Verjans, JW, Prijs, J, To, MS, Åberg, H, Chiri, W, IJpma, FFA, Jadav, B, White, J, Bain, GI, Jutte, PC, van den Bekerom, MPJ, Jaarsma, RL, Doornberg, JN, Machine Learning Consortium, Machine Learning Consortium, Ashkani, S, Assink, N, Colaris, JW, der Gaast, NV, Jayakumar, P, Kim, LJ, de Klerk, HH, Kuipers, J, Mallee, WH, Meesters, AML, Mennes, SRJ, Oldhof, MGE, Pijpker, PAJ, Yiu Lau, C, Wijffels, MME, Wolf, AD. Detection, classification, and characterization of proximal humerus fractures on plain radiographs.. Bone Joint J. 2024;106-B (11):1348-1360. PubMed PMID:39481431 .
  4. Assink, N, Binnekamp, CW, van der Veen, HC, Doornberg, JN, IJpma, FFA, Pijpker, PAJ. The Panflute Technique: Novel 3D-Printed Patient Specific Instrumentation to Guide Curved Intra-Articular Osteotomies for Tibial Plateau Malunions.. J Clin Med. 2024;13 (20):. PubMed PMID:39458126 PubMed Central PMC11508563.
  5. Oldhoff, MGE, Kamal, Z, Ten Duis, K, Wubs, FW, de Vries, JPPM, Kraeima, J, IJpma, FFA. Semi-automated finite element analyses of surgically treated acetabular fractures to investigate the biomechanical behaviour of patient-specific compared to conventional implants.. J Orthop Surg Res. 2024;19 (1):541. PubMed PMID:39237975 PubMed Central PMC11378568.
  6. Prijs, J, Rawat, J, Ten Duis, K, Assink, N, Harbers, JS, Doornberg, JN, Jadav, B, Jaarsma, RL, IJpma, FFA. Understanding the mechanism of injury and fracture pattern of paediatric triplane ankle fractures versus adult trimalleolar fractures.. Bone Joint J. 2024;106-B (9):1008-1014. PubMed PMID:39216867 .
  7. van Veldhuizen, WA, van Noortwijk, R, Meesters, A, Duis, KT, Schuurmann, R, de Vries, J, Wolterink, JM, IJpma, F. Automatic virtual reconstruction of acetabular fractures using a statistical shape model.. Eur J Trauma Emerg Surg. 2024; :. PubMed PMID:39190061 .
  8. Spierenburg, W, de Vries, A, van der Wel, H, Kraeima, J, Dal, M, van Raaij, T. Mechanical Ankle Joint Axis Point on a Hip-to-Calcaneus Long Leg View Correlates Significantly With SPECT/CT Activation in Symptomatic Asymmetric Ankle Osteoarthritis.. Foot Ankle Int. 2024;45 (10):1131-1138. PubMed PMID:39095986 .
  9. van der Wel, H, Merema, BJ, Kraeima, J, Schepers, RH, Jansma, J. Facial Masculinization Surgery Using Polyetheretherketone Alloplasty: Statistical Shape Modeling-based Implant Designs.. Plast Reconstr Surg Glob Open. 2024;12 (7):e6012. PubMed PMID:39086493 PubMed Central PMC11289784.
  10. Kortman, MCP, Jansma, J, Schepers, RH, Slump, CH, Merema, BJ, Kraeima, J. A method for accuracy of placement analysis on radiolucent polyether-ether-keton facial implants: A case series.. J Craniomaxillofac Surg. 2024;52 (10):1082-1087. PubMed PMID:39004536 .
  11. Assink, N, Vaartjes, TP, Kramer, CJSA, Bosma, E, Nijveldt, RJ, Ten Brinke, JG, de Groot, R, Hoekstra, H, IJpma, FFA. What Is the Patient-reported Outcome and Complication Incidence After Operative Versus Nonoperative Treatment of Minimally Displaced Tibial Plateau Fractures?. Clin Orthop Relat Res. 2024;482 (10):1744-1752. PubMed PMID:38813973 PubMed Central PMC11419509.
  12. Schipper, JAM, Merema, BJ, Hollander, MHJ, Spijkervet, FKL, Dijkstra, PU, Jansma, J, Schepers, RH, Kraeima, J. Reliability and validity of handheld structured light scanners and a static stereophotogrammetry system in facial three-dimensional surface imaging.. Sci Rep. 2024;14 (1):8172. PubMed PMID:38589391 PubMed Central PMC11001849.
  13. Vosselman, N, Kraeima, J, Ng Wei Siang, K, Raghoebar, GM, Witjes, MJH, de Visscher, SAHJ. Guided placement of zygomatic implants in head and neck cancer patients: implant survival and patient outcomes at 1-3 years of follow-up.. Int J Oral Maxillofac Surg. 2024;53 (7):600-606. PubMed PMID:38494409 .
  14. Oldhoff, MGE, Assink, N, Kraeima, J, de Vries, JPM, Ten Duis, K, Meesters, AML, IJpma, FFA. 3D-assisted corrective osteotomies of the distal radius: a comparison of pre-contoured conventional implants versus patient-specific implants.. Eur J Trauma Emerg Surg. 2024;50 (1):37-47. PubMed PMID:38261077 PubMed Central PMC10924012.
  15. Assink, N, Vaartjes, TP, Bosma, E, van Helden, SH, Ten Brinke, JG, Hoekstra, H, IJpma, FFA. Tibial plateau fracture morphology based on injury force mechanism is predictive for patient-reported outcome and conversion to total knee arthroplasty.. Eur J Trauma Emerg Surg. 2024;50 (3):1135-1143. PubMed PMID:38244051 PubMed Central PMC11249455.
  16. Assink, N, Ten Duis, K, de Vries, JPM, Witjes, MJH, Kraeima, J, Doornberg, JN, IJpma, FFA. 3D surgical planning including patient-specific drilling guides for tibial plateau fractures.. Bone Jt Open. 2024;5 (1):46-52. PubMed PMID:38240277 PubMed Central PMC10797644.
  17. Generaal, JD, Glas, HH, Ubbels, JF, Stevenson, MG, Huijing, MA, van Leeuwen, BL, Been, LB. Calculating Tumor Volume Using Three-Dimensional Models in Preoperative Soft-Tissue Sarcoma Surgical Planning: Does Size Matter?. J Clin Med. 2023;12 (23):. PubMed PMID:38068294 PubMed Central PMC10871107.
  18. Huizinga, MP, Stenekes, MW, Kraeima, J, de Visscher, SAHJ, Raghoebar, GM, Werker, PMN, Witjes, MJH. Prefabricated fibula free flaps in reconstruction of maxillofacial defects: Two cases of transplanting a fractured fibula.. Head Neck. 2023;45 (12):E67-E72. PubMed PMID:37818676 .
  19. Zee, MJM, Pijpker, PAJ, Kraeima, J, Viddeleer, AR, Diercks, RL. Patient specific instrumentation in ACL reconstruction: a proof-of-concept cadaver experiment assessing drilling accuracy when using 3D printed guides.. Arch Orthop Trauma Surg. 2024;144 (1):289-296. PubMed PMID:37773534 PubMed Central PMC10774211.
  20. Assink, N, Bosma, E, Meesters, AML, van Helden, SH, Nijveldt, RJ, Ten Duis, K, Witjes, MJH, de Vries, JPM, Kraeima, J, IJpma, FFA. Initial and Residual 3D Fracture Displacement Is Predictive for Patient-Reported Functional Outcome at Mid-Term Follow-Up in Surgically Treated Tibial Plateau Fractures.. J Clin Med. 2023;12 (18):. PubMed PMID:37762994 PubMed Central PMC10531969.
  21. Meesters, AML, Assink, N, IJpma, FFA. Functional outcome of 2-D- and 3-D-guided corrective forearm osteotomies: a systematic review.. J Hand Surg Eur Vol. 2024;49 (7):843-851. PubMed PMID:37747738 PubMed Central PMC11264531.
  22. Assink, N, Oldhoff, MGE, Ten Duis, K, Kraeima, J, Doornberg, JN, Witjes, MJH, de Vries, JPM, Meesters, AML, IJpma, FFA. Development of patient-specific osteosynthesis including 3D-printed drilling guides for medial tibial plateau fracture surgery.. Eur J Trauma Emerg Surg. 2024;50 (1):11-19. PubMed PMID:37391531 PubMed Central PMC10924019.
  23. van Veldhuizen, WA, van der Wel, H, Kuipers, HY, Kraeima, J, Ten Duis, K, Wolterink, JM, de Vries, JPM, Schuurmann, RCL, IJpma, FFA. Development of a Statistical Shape Model and Assessment of Anatomical Shape Variations in the Hemipelvis.. J Clin Med. 2023;12 (11):. PubMed PMID:37297962 PubMed Central PMC10253964.
  24. van der Wel, H, Qiu, B, Spijkervet, FKL, Jansma, J, Schepers, RH, Kraeima, J. Morphological Variation of the Mandible in the Orthognathic Population-A Morphological Study Using Statistical Shape Modelling.. J Pers Med. 2023;13 (5):. PubMed PMID:37241024 PubMed Central PMC10220876.
  25. Assink, N, El Moumni, M, Kraeima, J, Bosma, E, Nijveldt, RJ, van Helden, SH, Vaartjes, TP, Ten Brinke, JG, Witjes, MJH, de Vries, JPM, IJpma, FFA. Radiographic Predictors of Conversion to Total Knee Arthroplasty After Tibial Plateau Fracture Surgery: Results in a Large Multicenter Cohort.. J Bone Joint Surg Am. 2023;105 (16):1237-1245. PubMed PMID:37196070 .
  26. Leemhuis, JF, Assink, N, Reininga, IHF, de Vries, JPM, Ten Duis, K, Meesters, AML, IJpma, FFA, The Pelvic Fracture Consortium. Both-Column Acetabular Fractures: Does Surgical Approach Vary Based on Using Virtual 3D Reconstructions?. Diagnostics (Basel). 2023;13 (9):. PubMed PMID:37175020 PubMed Central PMC10178242.
  27. Peeters, CMM, Pijpker, PAJ, Wapstra, FH, Kempen, DHR, Faber, C. Are torso asymmetry and torso displacements in a computer brace model associated with initial in-brace correction in adolescent idiopathic scoliosis?. BMC Musculoskelet Disord. 2023;24 (1):361. PubMed PMID:37158905 PubMed Central PMC10165790.
  28. Kraeima, J, de Visscher, S, Witjes, M. Three-Dimensional Innovations in Personalized Surgery.. J Pers Med. 2023;13 (1):. PubMed PMID:36675774 PubMed Central PMC9865326.
  29. Assink, N, Kraeima, J, Meesters, AML, El Moumni, M, Bosma, E, Nijveldt, RJ, van Helden, SH, de Vries, JPM, Witjes, MJH, IJpma, FFA. 3D assessment of initial fracture displacement of tibial plateau fractures is predictive for risk on conversion to total knee arthroplasty at long-term follow-up.. Eur J Trauma Emerg Surg. 2023;49 (2):867-874. PubMed PMID:36264307 PubMed Central PMC10175438.
  30. van der Wel, H, Kraeima, J, Spijkervet, FKL, Schepers, RH, Jansma, J. Postoperative skeletal stability at the one-year follow-up after splintless Le Fort I osteotomy using patient-specific osteosynthesis versus conventional osteosynthesis: a randomized controlled trial.. Int J Oral Maxillofac Surg. 2023;52 (6):679-685. PubMed PMID:36202719 .
  31. Roelofs, LJM, Meesters, AML, Assink, N, Kraeima, J, Van der Meulen, TD, Doornberg, JN, De Vries, JPM, Hoekstra, J, Ten Duis, K, IJpma, FFA. A new quantitative 3D gap area measurement of fracture displacement of intra-articular distal radius fractures: Reliability and clinical applicability.. PLoS One. 2022;17 (9):e0275206. PubMed PMID:36166437 PubMed Central PMC9514643.
  32. Meesters, AML, Oldhoff, MGE, Trouwborst, NM, Assink, N, Kraeima, J, Witjes, MJH, de Vries, JPM, Ten Duis, K, IJpma, FFA. Quantitative Three-Dimensional Measurements of Acetabular Fracture Displacement Could Be Predictive for Native Hip Survivorship.. J Pers Med. 2022;12 (9):. PubMed PMID:36143248 PubMed Central PMC9501648.
  33. Assink, N, Meesters, AML, Ten Duis, K, Harbers, JS, IJpma, FFA, van der Veen, HC, Doornberg, JN, Pijpker, PAJ, Kraeima, J. A Two-Step Approach for 3D-Guided Patient-Specific Corrective Limb Osteotomies.. J Pers Med. 2022;12 (9):. PubMed PMID:36143242 PubMed Central PMC9503424.
  34. Merema, BBJ, Witjes, MJH, Van Bakelen, NB, Kraeima, J, Spijkervet, FKL. Four-Dimensional Determination of the Patient-Specific Centre of Rotation for Total Temporomandibular Joint Replacements: Following the Groningen Principle.. J Pers Med. 2022;12 (9):. PubMed PMID:36143224 PubMed Central PMC9502215.
  35. Merema, BBJ, Sieswerda, JJ, Spijkervet, FKL, Kraeima, J, Witjes, MJH. A Contemporary Approach to Non-Invasive 3D Determination of Individual Masticatory Muscle Forces: A Proof of Concept.. J Pers Med. 2022;12 (8):. PubMed PMID:36013222 PubMed Central PMC9409695.
  36. Batbayar, EO, Assink, N, Kraeima, J, Meesters, AML, Bos, RRM, Vissink, A, Witjes, MJH, van Minnen, B. Quantitative Three-Dimensional Computed Tomography Measurements Provide a Precise Diagnosis of Fractures of the Mandibular Condylar Process.. J Pers Med. 2022;12 (8):. PubMed PMID:36013174 PubMed Central PMC9409636.
  37. van Bakelen, NB, van der Graaf, JW, Kraeima, J, Spijkervet, FKL. Reproducibility of 2D and 3D Ramus Height Measurements in Facial Asymmetry.. J Pers Med. 2022;12 (7):. PubMed PMID:35887678 PubMed Central PMC9323863.
  38. Pijpker, PAJ, Kuijlen, JMA, Tamási, K, Oterdoom, DLM, Vergeer, RA, Rijtema, G, Coppes, MH, Kraeima, J, Groen, RJM. The Accuracy of Patient-Specific Spinal Drill Guides Is Non-Inferior to Computer-Assisted Surgery: The Results of a Split-Spine Randomized Controlled Trial.. J Pers Med. 2022;12 (7):. PubMed PMID:35887581 PubMed Central PMC9317516.
  39. Vaartjes, TP, Assink, N, Nijveldt, RJ, van Helden, SH, Bosma, E, El Moumni, M, Duis, KT, Hogervorst, M, Doornberg, JN, de Vries, JPM, Hoekstra, H, IJpma, FFA. Functional Outcome After Nonoperative Management of Tibial Plateau Fractures in Skeletally Mature Patients: What Sizes of Gaps and Stepoffs Can be Accepted?. Clin Orthop Relat Res. 2022;480 (12):2288-2295. PubMed PMID:35638902 PubMed Central PMC9653182.
  40. Glas, HH, Kraeima, J, Tribius, S, Leusink, FKJ, Rendenbach, C, Heiland, M, Stromberger, C, Rashad, A, Fuller, CD, Mohamed, ASR, Lai, SY, Witjes, MJH. Three-Dimensional Evaluation of Isodose Radiation Volumes in Cases of Severe Mandibular Osteoradionecrosis for the Prediction of Recurrence after Segmental Resection.. J Pers Med. 2022;12 (5):. PubMed PMID:35629256 PubMed Central PMC9143211.
  41. Vosselman, N, Glas, HH, Merema, BJ, Kraeima, J, Reintsema, H, Raghoebar, GM, Witjes, MJH, de Visscher, SAHJ. Three-Dimensional Guided Zygomatic Implant Placement after Maxillectomy.. J Pers Med. 2022;12 (4):. PubMed PMID:35455704 PubMed Central PMC9027393.
  42. van Raaij, T, van der Wel, H, Beldman, M, de Vries, A, Kraeima, J. Two-Step 3D-Guided Supramalleolar Osteotomy to Treat Varus Ankle osteoarthritis.. Foot Ankle Int. 2022;43 (7):937-941. PubMed PMID:35382582 .
  43. Banierink, H, Ten Duis, K, Meesters, AML, Trouwborst, NM, Heineman, E, Wendt, KW, Ploegmakers, JJW, Reininga, IHF, IJpma, FFA. The effects of pelvic ring injuries on quality of life, physical, and mental health: results of a 2-year prospective cohort study.. Eur J Trauma Emerg Surg. 2022;48 (4):2849-2857. PubMed PMID:35254459 PubMed Central PMC9360067.
  44. Rozema, R, Kruitbosch, HT, van Minnen, B, Dorgelo, B, Kraeima, J, van Ooijen, PMA. Structural similarity analysis of midfacial fractures-a feasibility study.. Quant Imaging Med Surg. 2022;12 (2):1571-1578. PubMed PMID:35111649 PubMed Central PMC8739105.
  45. Meesters, AML, Trouwborst, NM, de Vries, JPM, Kraeima, J, Witjes, MJH, Doornberg, JN, Reininga, IHF, IJpma, FFA, Ten Duis, K. Does 3D-Assisted Acetabular Fracture Surgery Improve Surgical Outcome and Physical Functioning?-A Systematic Review.. J Pers Med. 2021;11 (10):. PubMed PMID:34683107 PubMed Central PMC8541524.
  46. Banierink, H, Meesters, AML, Ten Duis, K, Doornberg, JN, El Moumni, M, Heineman, E, Reininga, IHF, IJpma, FFA. Does 3D-Assisted Operative Treatment of Pelvic Ring Injuries Improve Patient Outcome?-A Systematic Review of the Literature.. J Pers Med. 2021;11 (9):. PubMed PMID:34575708 PubMed Central PMC8470452.
  47. Gerbers, JG, Pijpker, PAJ, Brouwer, RW, van der Veen, HC. Anterolateral proximal tibial opening wedge osteotomy for biplanar correction in genu valgum recurvatum using patient specific instrumentation (PSI). A technical note.. Knee. 2021;33 :58-64. PubMed PMID:34560354 .
  48. Meesters, AML, Ten Duis, K, Kraeima, J, Banierink, H, Stirler, VMA, Wouters, PCR, de Vries, JPPM, Witjes, MJH, IJpma, FFA. The accuracy of gap and step-off measurements in acetabular fracture treatment.. Sci Rep. 2021;11 (1):18294. PubMed PMID:34521962 PubMed Central PMC8440593.
  49. Bulstra, AEJ, Al-Dirini, RMA, Turow, A, Oldhoff, MGE, Bryant, K, Obdeijn, MC, Doornberg, JN, Jaarsma, RL, Bain, GI. The influence of fracture location and comminution on acute scaphoid fracture displacement: three-dimensional CT analysis.. J Hand Surg Eur Vol. 2021;46 (10):1072-1080. PubMed PMID:34472394 .
  50. Assink, N, Reininga, IHF, Ten Duis, K, Doornberg, JN, Hoekstra, H, Kraeima, J, Witjes, MJH, de Vries, JPM, IJpma, FFA. Does 3D-assisted surgery of tibial plateau fractures improve surgical and patient outcome? A systematic review of 1074 patients.. Eur J Trauma Emerg Surg. 2022;48 (3):1737-1749. PubMed PMID:34463771 PubMed Central PMC9192447.
  51. Meesters, AML, Assink, N, Ten Duis, K, Fennema, EM, Kraeima, J, Witjes, MJH, de Vries, JPM, Stirler, VMA, IJpma, FFA. Accuracy of Patient-Specific Drilling Guides in Acetabular Fracture Surgery: A Human Cadaver Study.. J Pers Med. 2021;11 (8):. PubMed PMID:34442407 PubMed Central PMC8400721.
  52. Qiu, B, van der Wel, H, Kraeima, J, Glas, HH, Guo, J, Borra, RJH, Witjes, MJH, van Ooijen, PMA. Automatic Segmentation of Mandible from Conventional Methods to Deep Learning-A Review.. J Pers Med. 2021;11 (7):. PubMed PMID:34357096 PubMed Central PMC8307673.
  53. Qiu, B, van der Wel, H, Kraeima, J, Glas, HH, Guo, J, Borra, RJH, Witjes, MJH, van Ooijen, PMA. Mandible Segmentation of Dental CBCT Scans Affected by Metal Artifacts Using Coarse-to-Fine Learning Model.. J Pers Med. 2021;11 (6):. PubMed PMID:34208429 PubMed Central PMC8232763.
  54. Pijpker, PAJ, Kuijlen, JMA, Kraeima, J, Groen, RJM, Faber, C. A Comparison of Drill Guiding and Screw Guiding 3D-Printing Techniques for Intra- and Extrapedicular Screw Insertion.. Spine (Phila Pa 1976). 2022;47 (10):E434-E441. PubMed PMID:34132234 .
  55. Vosselman, N, Glas, HH, de Visscher, SAHJ, Kraeima, J, Merema, BJ, Reintsema, H, Raghoebar, GM, Witjes, MJH. Immediate implant-retained prosthetic obturation after maxillectomy based on zygomatic implant placement by 3D-guided surgery: a cadaver study.. Int J Implant Dent. 2021;7 (1):54. PubMed PMID:34121148 PubMed Central PMC8200332.
  56. Qiu, B, Guo, J, Kraeima, J, Glas, HH, Zhang, W, Borra, RJH, Witjes, MJH, van Ooijen, PMA. Recurrent Convolutional Neural Networks for 3D Mandible Segmentation in Computed Tomography.. J Pers Med. 2021;11 (6):. PubMed PMID:34072714 PubMed Central PMC8229770.
  57. Qiu, B, van der Wel, H, Kraeima, J, Hendrik Glas, H, Guo, J, Borra, RJH, Witjes, MJH, van Ooijen, PMA. Robust and Accurate Mandible Segmentation on Dental CBCT Scans Affected by Metal Artifacts Using a Prior Shape Model.. J Pers Med. 2021;11 (5):. PubMed PMID:34062762 PubMed Central PMC8147374.
  58. Pijpker, PAJ, Oosterhuis, TS, Witjes, MJH, Faber, C, van Ooijen, PMA, Kosinka, J, Kuijlen, JMA, Groen, RJM, Kraeima, J. A semi-automatic seed point-based method for separation of individual vertebrae in 3D surface meshes: a proof of principle study.. Int J Comput Assist Radiol Surg. 2021;16 (9):1447-1457. PubMed PMID:34043144 PubMed Central PMC8354998.
  59. Rozema, R, Kruitbosch, HT, van Minnen, B, Dorgelo, B, Kraeima, J, van Ooijen, PMA. Iterative reconstruction and deep learning algorithms for enabling low-dose computed tomography in midfacial trauma.. Oral Surg Oral Med Oral Pathol Oral Radiol. 2021;132 (2):247-254. PubMed PMID:34034999 .
  60. Glas, HH, Kraeima, J, van Ooijen, PMA, Spijkervet, FKL, Yu, L, Witjes, MJH. Augmented Reality Visualization for Image-Guided Surgery: A Validation Study Using a Three-Dimensional Printed Phantom.. J Oral Maxillofac Surg. 2021;79 (9):1943.e1-1943.e10. PubMed PMID:34033801 .
  61. Oldhoff, MGE, Mirzaali, MJ, Tümer, N, Zhou, J, Zadpoor, AA. Comparison in clinical performance of surgical guides for mandibular surgery and temporomandibular joint implants fabricated by additive manufacturing techniques.. J Mech Behav Biomed Mater. 2021;119 :104512. PubMed PMID:33930652 .
  62. Van den Berg, J, De Boer, AS, Assink, N, Haveman, R, Reul, M, Link, BC, Ijpma, FFA, Verhofstad, MHJ, Hoekstra, H. Trauma mechanism and patient reported outcome in tibial plateau fractures with posterior involvement.. Knee. 2021;30 :41-50. PubMed PMID:33848940 .
  63. Pijpker, PAJ, Kuijlen, JMA, Kaptein, BL, Pondaag, W. Three-Dimensional-Printed Drill Guides for Occipitothoracic Fusion in a Pediatric Patient With Occipitocervical Instability.. Oper Neurosurg (Hagerstown). 2021;21 (1):27-33. PubMed PMID:33728473 PubMed Central PMC8203425.
  64. IJpma, FFA, Meesters, AML, Merema, BBJ, Ten Duis, K, de Vries, JPM, Banierink, H, Wendt, KW, Kraeima, J, Witjes, MJH. Feasibility of Imaging-Based 3-Dimensional Models to Design Patient-Specific Osteosynthesis Plates and Drilling Guides.. JAMA Netw Open. 2021;4 (2):e2037519. PubMed PMID:33599774 PubMed Central PMC7893502.
  65. Hollander, MHJ, Kraeima, J, Meesters, AML, Delli, K, Vissink, A, Jansma, J, Schepers, RH. Reproducibility of 3D scanning in the periorbital region.. Sci Rep. 2021;11 (1):3671. PubMed PMID:33574454 PubMed Central PMC7878901.
  66. Pijpker, PAJ, Kraeima, J, Witjes, MJH, Oterdoom, DLM, Vergeer, RA, Coppes, MH, Groen, RJM, Kuijlen, JMA. Accuracy of Patient-Specific 3D-Printed Drill Guides for Pedicle and Lateral Mass Screw Insertion: An Analysis of 76 Cervical and Thoracic Screw Trajectories.. Spine (Phila Pa 1976). 2021;46 (3):160-168. PubMed PMID:33093310 PubMed Central PMC7787187.
  67. Merema, BJ, Kraeima, J, Witjes, MJH, van Bakelen, NB, Spijkervet, FKL. Accuracy of fit analysis of the patient-specific Groningen temporomandibular joint prosthesis.. Int J Oral Maxillofac Surg. 2021;50 (4):538-545. PubMed PMID:32943309 .
  68. Kraeima, J, Glas, HH, Merema, BBJ, Vissink, A, Spijkervet, FKL, Witjes, MJH. Three-dimensional virtual surgical planning in the oncologic treatment of the mandible.. Oral Dis. 2021;27 (1):14-20. PubMed PMID:32881177 .
  69. Meesters, AML, Ten Duis, K, Banierink, H, Stirler, VMA, Wouters, PCR, Kraeima, J, de Vries, JPM, Witjes, MJH, IJpma, FFA. What Are the Interobserver and Intraobserver Variability of Gap and Stepoff Measurements in Acetabular Fractures?. Clin Orthop Relat Res. 2020;478 (12):2801-2808. PubMed PMID:32769535 PubMed Central PMC7899427.
  70. Onclin, P, Kraeima, J, Merema, BBJ, Meijer, HJA, Vissink, A, Raghoebar, GM. Utilising the nasal aperture for template stabilisation for guided surgery in the atrophic maxilla.. Int J Implant Dent. 2020;6 (1):23. PubMed PMID:32588142 PubMed Central PMC7316938.
  71. Merema, BBJ, Kraeima, J, Glas, HH, Spijkervet, FKL, Witjes, MJH. Patient-specific finite element models of the human mandible: Lack of consensus on current set-ups.. Oral Dis. 2021;27 (1):42-51. PubMed PMID:32372548 PubMed Central PMC7818111.
  72. Merema, BBJ, Kraeima, J, de Visscher, SAHJ, van Minnen, B, Spijkervet, FKL, Schepman, KP, Witjes, MJH. Novel finite element-based plate design for bridging mandibular defects: Reducing mechanical failure.. Oral Dis. 2020;26 (6):1265-1274. PubMed PMID:32176821 PubMed Central PMC7507837.
  73. Glas, HH, Vosselman, N, de Visscher, SAHJ. The use of 3D virtual surgical planning and computer aided design in reconstruction of maxillary surgical defects.. Curr Opin Otolaryngol Head Neck Surg. 2020;28 (2):122-128. PubMed PMID:32102008 .
  74. Tuin, AJ, Meulstee, JW, Loonen, TGJ, Kraeima, J, Spijkervet, FKL, Vissink, A, Jansma, J, Schepers, RH. Three-dimensional facial volume analysis using algorithm-based personalized aesthetic templates.. Int J Oral Maxillofac Surg. 2020;49 (10):1379-1384. PubMed PMID:32081581 .
  75. van der Helm, HC, Kraeima, J, Xi, T, Jansma, J, Schepers, RH. The use of xenografts to prevent inferior border defects following bilateral sagittal split osteotomies: three-dimensional skeletal analysis using cone beam computed tomography.. Int J Oral Maxillofac Surg. 2020;49 (8):1029-1035. PubMed PMID:31987591 .
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