Ciencias Exactas y Ciencias de la Salud

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Comparative analysis between joining stacking based laser micro spot welding (JS-LMSW) and laser powder bed fusion (LPBF) for guided bone regeneration
(Instituto Tecnológico y de Estudios Superiores de Monterrey, 2024-01) Morales Fierro, Alan Giovanni; Sandoval Robles, Jesús Alejandro; mtyahinojosa, emipsanchez; Cedeño Viveros, Luis Daniel; Rodríguez García, Aída; School of Engineering and Sciences; Campus Monterrey; García López, Erika
Dental devices, such as periodontal membranes used in the Guided Bone Regeneration (GBR) treatment, need to be manufactured with specific requirements to reach the quality desired. In this project, a periodontal membrane was manufactured by Joining Stacking Based Laser Micro Spot Welding (JS-LMSW) and Laser Powder Bed Fusion (LPBF). The objectives of this project were to design a periodontal membrane based on an imaged-based tomography, to identify the parameters for JS-LMSW and LPBF, and to characterize dimensionally the membranes. For JS-LMSW, an experimental design was carried on by changing parameters such as time exposure (1, 4, 7, 10 ms) and power (160, 180, 200 W). It was observed that the samples with the best quality profile were 160W/1ms, 180W/7ms, and 200W/10ms. For LPBF, it wasn’t possible to obtain the membrane with the original measurements. Also, all the periodontal membrane samples were electropolished. It was possible to design a periodontal membrane from a real case, the parameters of JS-LMSW were identified, and electropolishing improved dimensionally some measurements of the membrane.

Ciencias Exactas y Ciencias de la Salud

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