Fractures in the top vertebrae are more dangerous because they are near the brainstem and spinal cord controlling breathing and limb movement.
If you are looking for physical tools for high-precision repairs (often used alongside software like the SEMC tool), common essentials include: Vertebral Fracture - StatPearls - NCBI Bookshelf - NIH semc tool v3 3 cracked vertebrae top
Servicing LG and legacy Sony Ericsson (SEMC) mobile platforms. Key Capabilities: Fractures in the top vertebrae are more dangerous