1918
Takaichi found that metal elution from the LPBF dental implants was smaller than that of the aB-cast Co-Cr alloy .
 material: metal; manufacturing process: LPBF; application: dental; material: alloy
Please list all entity words in the text that fit the category.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} 
Answer:
 material: metal; manufacturing process: LPBF; application: dental; material: alloy