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