The vertical alveolar osteogenesis microdistractor device 8 wherein {TAIL ~ the chamber} of the fixed bracket is {HEAD ~ a bottomed chamber} 
The vertical alveolar osteogenesis microdistractor device 8 wherein { TAIL ~ the chamber } of the fixed bracket is { HEAD ~ a bottomed chamber }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD