1704
The results presented here indicate comparable performance of porous Ta and surface modified porous Ti64 implants towards early stage osseointegration at 5 weeks post implantation through seamless bone-material interlocking .
 concept or principle: performance; machanical property: porous; manufacturing process: surface modified; machanical property: porous; application: implants; machanical property: osseointegration; manufacturing process: implantation
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
 Entities: performance, porous, surface modified, porous, implants, osseointegration, implantation 
Answer:
 concept or principle: performance; machanical property: porous; manufacturing process: surface modified; machanical property: porous; application: implants; machanical property: osseointegration; manufacturing process: implantation