The virtual model of the desired occlusion and {HEAD ~ the virtual model} of the original dentition provide {TAIL ~ a base} of information for custom manufacture of an orthodontic appliance 
provide
The virtual model of the desired occlusion and { HEAD ~ the virtual model } of the original dentition provide { TAIL ~ a base } of information for custom manufacture of an orthodontic appliance
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH