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With four implants
there is enough stability and strength to the
implants to carry a small distal extension of gold
to the bar. At this level we can now have only
slight soft tissue contact and support at the more
distal extensions of the lower jaw. There is very
little movement with this combination.
The retention allows
no side to side movement and very little tipping
of the denture. The bone in the anterior mandible
receives enough force to maintain its volume and
prevent further bone resorption.
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