The artificial bone model can be used for {TAIL ~ educational training} or for studying {HEAD ~ a plan} for curing before a surgical operation 
The artificial bone model can be used for { TAIL ~ educational training } or for studying { HEAD ~ a plan } for curing before a surgical operation
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH