A fixture having an anchoring portion and an application portion intended
for connection to a prosthesis. The application portion has an outer end
and an end connected to the anchoring portion. The application portion
includes a flared part whose outer dimensions widen from the end of that
part connected to the anchoring portion in a direction toward the outer
end of the application portion. This flared part is elastically resilient
transversely to the longitudinal direction of the fixture.