International Dentistry - Vol. 12, No. 2 - 52
MANDELLI / BORROMEO
Fig. 8: The project of the bar continues, verifying all the details
before sending the file, even the choice of the kind of anchor
should be carefully evaluated according to the type of structure
and the available spaces.
Fig. 9: After sending the file, the structure was produced by the
milling centre, and the first check to be carried out is the precision
and passivity test, which was performed on the verification model
built with the help of resin jig.
The structures were sent to the dentist for tests in the oral
cavity (Fig. 11). During the design, the correct areas where
to locate the attachments were carefully evaluated and the
milling centre was asked to produce the threads inside the
bar in order to screw the attachments directly into it after
polishing and finishing; the most suitable attachments were
then screwed to reach the retentiveness that was planned
beforehand (Fig. 12). Once polished, the bar superstructure
can be produced (Fig. 13). A crucial step is to refine and
perfectly polish the areas around the implants and the soft
Fig. 10: Detail of the structure positioned with the silicone gums,
checking the areas around the implants and adjacent to the bar
to locate the correct positioning.
Fig. 11: After the bar was complete, the silicone of the set-up is
positioned and the available spaces are checked.
Fig. 12: The possibility of screwing and
unscrewing the retentive attachments gives not
only the advantage to change them in case of
wearing over time but also to change them at
any time during the design of the superstructure.
Fig. 13: After carrying out all the necessary checks, the structure is finely polished
before building the superstructure.
52 INTERNATIONAL DENTISTRY - AUSTRALASIAN EDITION VOL. 12, NO. 2
Table of Contents for the Digital Edition of International Dentistry - Vol. 12, No. 2
Contents
International Dentistry - Vol. 12, No. 2 - Cover1
International Dentistry - Vol. 12, No. 2 - Cover2
International Dentistry - Vol. 12, No. 2 - Contents
International Dentistry - Vol. 12, No. 2 - 2
International Dentistry - Vol. 12, No. 2 - 3
International Dentistry - Vol. 12, No. 2 - 4
International Dentistry - Vol. 12, No. 2 - 5
International Dentistry - Vol. 12, No. 2 - 6
International Dentistry - Vol. 12, No. 2 - 7
International Dentistry - Vol. 12, No. 2 - 8
International Dentistry - Vol. 12, No. 2 - 9
International Dentistry - Vol. 12, No. 2 - 10
International Dentistry - Vol. 12, No. 2 - 11
International Dentistry - Vol. 12, No. 2 - 12
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International Dentistry - Vol. 12, No. 2 - 46
International Dentistry - Vol. 12, No. 2 - 47
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International Dentistry - Vol. 12, No. 2 - 50
International Dentistry - Vol. 12, No. 2 - 51
International Dentistry - Vol. 12, No. 2 - 52
International Dentistry - Vol. 12, No. 2 - 53
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International Dentistry - Vol. 12, No. 2 - Cover3
International Dentistry - Vol. 12, No. 2 - Cover4
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