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RESTORATION-Retentive anchors
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To construct an implant borne denture using retentive anchors requires
meticulous planning and care to ensure a successful restoration.
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A denture try-in is produced to ensure the perfect design of the base,
bite and aesthetics. Time spent at this stage can dramatically reduce
subsequent difficulties and errors. The try-in is used to plan the
position of the implants, ensuring the height and width of the denture
can accommodate the size of the female part of the attachment.
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A custom made special tray is made to take the definitive impression
with the abutments in place.
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A chrome cobalt will be constructed to provide the metal reinforcement,
leaving space for the matrices. The denture try-in can then be
transferred to the chrome using the detailed information collated at
the planning stage. This should be tried in once again without the
matrices in place and careful attention paid to the bite and base fit.
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Once this stage is complete, the denture
will be finished and returned for the patient
to wear for a few weeks. This is to assess
the fit and comfort of the denture before in
volving the fitting of the attachments. In
our experience it has been found highly
beneficial to let the denture bed in before
fitting the matrices. This way we can
check that retention is aided with the
attachment, rather than supported entirely
by the implants and attachments.
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