Biomechanical study of 3D-printed titanium alloy pad for repairing glenoid bone defect.
J Orthop Surg (Hong Kong)
; 32(2): 10225536241257169, 2024.
Article
en En
| MEDLINE
| ID: mdl-38769768
ABSTRACT
Background:
The purpose of this study was to investigate the effect of 3D-printed technology to repair glenoid bone defect on shoulder joint stability.Methods:
The shoulder joints of 25 male cadavers were tested. The 3D-printed glenoid pad was designed and fabricated. The specimens were divided into 5 groups. Group A no bone defect and the structure of the glenoid labrum and joint capsule was intact; Group B Anterior inferior bone defect of the shoulder glenoid; Group C a pad with a width of 2 mm was installed; Group D a pad with a width of 4 mm was installed; Group E a pad with a width of 6 mm was installed. This study measured the distance the humeral head moved forward at the time of glenohumeral dislocation and the maximum load required to dislocate the shoulder.Results:
The shoulder joint stability and humerus displacement was significantly lower in groups B and C compared with group A (p < .05). Compared with group A, the stability of the shoulder joint of group D was significantly improved (p < .05). However, there was no significant difference in humerus displacement between groups D and A (p > .05). In addition, compared with group A, shoulder joint stability was significantly increased and humerus displacement was significantly decreased in group E (p < .05).Conclusion:
The 3D-printed technology can be used to make the shoulder glenoid pad to perfectly restore the geometric shape of the shoulder glenoid articular surface. Moreover, the 3D-printed pad is 2 mm larger than the normal glenoid width to restore the initial stability of the shoulder joint.Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Articulación del Hombro
/
Titanio
/
Cadáver
/
Aleaciones
/
Impresión Tridimensional
Límite:
Humans
/
Male
Idioma:
En
Revista:
J Orthop Surg (Hong Kong)
Asunto de la revista:
ORTOPEDIA
Año:
2024
Tipo del documento:
Article
País de afiliación:
China