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