Gregory Roytman, DC, PhD
Associate Research ScientistAbout
Research
Publications
2026
Influence of soft tissue composition and arm diameter on fracture strain in simulated humeral shaft fractures undergoing functional bracing
Lee A, Roytman G, Reuter A, Becker N, Tommasini S, Wiznia D, Fram B. Influence of soft tissue composition and arm diameter on fracture strain in simulated humeral shaft fractures undergoing functional bracing. Injury 2026, 57: 113276. PMID: 41967152, DOI: 10.1016/j.injury.2026.113276.Peer-Reviewed Original ResearchDoes Soft Tissue Envelope Affect Rates of Union in Functional Brace Treatment of Humeral Shaft Fractures?
Maloy G, Kebeh M, Schneble C, Roytman G, Stockwell E, Fram B. Does Soft Tissue Envelope Affect Rates of Union in Functional Brace Treatment of Humeral Shaft Fractures? Journal Of Orthopaedic Trauma 2026, 40: 189-195. PMID: 41218156, DOI: 10.1097/bot.0000000000003121.Peer-Reviewed Original ResearchDigitalization of the Modified Physical Performance Test
Grosek W, Roytman G, Kim Y, Wiznia D, Wilen L, Morgado-Vega N, Tommasini S, Garza-Rice J, Aslam R. Digitalization of the Modified Physical Performance Test. Journal Of Engineering And Science In Medical Diagnostics And Therapy 2026, 9 DOI: 10.1115/1.4069442.Peer-Reviewed Original Research
2025
The effect of osteochondral fragment loss on maximal tibiotalar articular stress in posterior malleolus fractures: A finite element study
Roytman G, Rizzo S, Jonnalagadda A, Tommasini S, Wiznia D, Yoo B. The effect of osteochondral fragment loss on maximal tibiotalar articular stress in posterior malleolus fractures: A finite element study. Injury 2025, 56: 112754. PMID: 40972084, DOI: 10.1016/j.injury.2025.112754.Peer-Reviewed Original ResearchRisk of Distal Femur Fracture in Antegrade Intramedullary Nail Fixation of Proximal Femur Fractures: A Finite Element Study
Roytman G, Lahik S, Tommasini S, Wiznia D, Fram B. Risk of Distal Femur Fracture in Antegrade Intramedullary Nail Fixation of Proximal Femur Fractures: A Finite Element Study. Journal Of Orthopaedic Research® 2025, 43: 1599-1605. PMID: 40443200, DOI: 10.1002/jor.26113.Peer-Reviewed Original Research
2024
Sustentaculum fracture fixation with lateral plate or medial screw fixation are equivalent
Roytman G, Salameh M, Rizzo S, Dhodapkar M, Tommasini S, Wiznia D, Yoo B. Sustentaculum fracture fixation with lateral plate or medial screw fixation are equivalent. Injury 2024, 55: 111532. PMID: 38614015, DOI: 10.1016/j.injury.2024.111532.Peer-Reviewed Original ResearchFabricating patient-specific 3D printed drill guides to treat femoral head avascular necrosis
Bell C, Feizi A, Roytman G, Ramji A, Tommasini S, Wiznia D. Fabricating patient-specific 3D printed drill guides to treat femoral head avascular necrosis. 3D Printing In Medicine 2024, 10: 10. PMID: 38564090, PMCID: PMC10986134, DOI: 10.1186/s41205-024-00208-z.Peer-Reviewed Original ResearchUsing Computed Tomography-Based Three-dimensional Modeling and Computer Navigation for Minimally Invasive Core Decompression and Adjuvant Orthobiologic Therapy of Femoral Head Avascular Necrosis
Feizi A, Bell C, Roytman G, Park N, Wang A, Tommasini S, Wiznia D. Using Computed Tomography-Based Three-dimensional Modeling and Computer Navigation for Minimally Invasive Core Decompression and Adjuvant Orthobiologic Therapy of Femoral Head Avascular Necrosis. Arthroplasty Today 2024, 26: 101337. PMID: 38497084, PMCID: PMC10940782, DOI: 10.1016/j.artd.2024.101337.Peer-Reviewed Original ResearchOff-the-Shelf Tibial Cone Sizes May Not Accommodate All Patients’ Bone Morphology and May Lead to Cortical Breaches in Revision Total Knee Arthroplasty: A 3D Modeling Study
Tung W, Kunsel K, Roytman G, Donnelley C, Pratola D, Tommasini S, Bernstein J, Wiznia D. Off-the-Shelf Tibial Cone Sizes May Not Accommodate All Patients’ Bone Morphology and May Lead to Cortical Breaches in Revision Total Knee Arthroplasty: A 3D Modeling Study. Arthroplasty Today 2024, 26: 101340. PMID: 38455865, PMCID: PMC10918480, DOI: 10.1016/j.artd.2024.101340.Peer-Reviewed Original ResearchThe feasibility of a novel 3D-Printed patient specific cutting guide for extended trochanteric osteotomies
Bergemann R, Roytman G, Ani L, Ramji A, Leslie M, Tommasini S, Wiznia D. The feasibility of a novel 3D-Printed patient specific cutting guide for extended trochanteric osteotomies. 3D Printing In Medicine 2024, 10: 7. PMID: 38427157, PMCID: PMC10905807, DOI: 10.1186/s41205-024-00204-3.Peer-Reviewed Original Research