In this paper graphical presentation some of the constant mean curvature surfaces (CMC surfaces) is given. This work is an extension of the results [3]. Interesting shapes and complicate structures of CMC surfaces obtained using Mathematica computer program are given.
Introduction. Implant placement with simultaneous bone augmentation presents
procedure with high risk of complications. In those situations, one of the
surgical procedures with promising outcomes is the split crest technique.
Case report. A 69-year-old edentulous patient was referred to the Clinic of
Oral Surgery, at the Faculty of Dentistry in Pancevo. The width of the
mandibular alveolar ridge in the inter-canine region was 2 mm. For the ridge
splitting and expansion, a special split and expansion kit was used (Esset
KitR, Osstem, South Korea). The procedure started with crestal remover
carbide cylindrical bur of 7 mm diameter for flattening of the alveolar
ridge to the width of 4 mm. Then, a sharp lance drill was used to mark the
places for implant osteotomies and placement. After that, 1.8 mm twist drill
was used to prepare a bed of 10 mm depth, and a 13 mm saw was directed
vertically. Set of expansion drills were used to expand the alveolar ridge
gradually. Two implants 3.5x10 mm each (TSIII SAR, Osstem, South Korea) were
inserted in the region of lower canines and the space between split buccal
and lingual bone lamellae remained empty. Initial stability of inserted
implants was assessed by implant stability quotient (ISQ). The values for
implant stability were high for both inserted implants (98 and 93). After
the surgical procedure, a control CBCT was done. The wound healed
uneventfully. Conclusion. Split crest technique seems to be a predictable
alternative for implant placement in narrow alveolar ridges.
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