The JB System combines the precision and strength of a universal intercoronal bilock
type female with a choice of two extracoronal male retention elements: a ball or a
vertical hader bar. The precision milled plastic retention element. A simple
partial denture frame is attached to the precision male housing. Soldering, milling
and lingual arms are eliminated. The JB System allows the technician to construct an
extremely precise fitting, strong and serviceable RPD.
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