A
Dị ka nkewa nke China State Food na ọgwụ nchịkwa, n'ime: Class I ọgwụ ngwá , Class II ọgwụ consumables na Klas III implants (karịa 7 ụbọchị).
Dị ka ụdị ọrịa si emeso , n'ime: trauma usoro (ọkpụkpụ efere, ọkpụkpụ kposara, intramedullary mbọ, mpụga fixators, wdg), spinal usoro (vertebral implants, titanium ntupu, fusion ngwaọrụ, wdg), nkwonkwo usoro (artificial hip nkwonkwo, wuru ikpere nkwonkwo, artificial ubu nkwonkwo, artificial elbow nkwonkwo, wdg) na ndị ọzọ (egwuregwu na-arụzi ọkpụkpụ, wdg).