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ePaper created 2017-08-25, 17:58:13 | version 1.38.0
| case report digital technology in fixed implant prosthodontics Digital assisted precise planning and manufacturing of a fixed dental restoration Author: Dr David Guichet, USA Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 1: Pretreatment panoramic Case report radiograph. Fig. 2: Pretreatment clinical situation. Fig. 3: Intraoral condition three months after extraction and grafting. Fig. 4: Simplant software for planning the implant positions. 12 CAD/CAM 3 2017 A 66-year-old female patient presented to our clinic with diverse dental problems in the maxilla. The initial examination revealed several teeth with caries and de- fect fillings. The panoramic radiograph also showed severely decayed, fractured, and supraerupted teeth (Figs. 1 & 2). The posterior maxillary teeth were subsequently extracted, and socket preservation grafting was performed. Following a three-month healing pe- riod (Fig. 3), a cone beam computerised tomo- graphic (CBCT) scan was performed and imported into Simplant software. Careful analysis of the clinical situation resulted in a treatment plan for placing two 4.8 mm OsseoSpeed EV implants in the molar region. These were distally angled by 30 degrees to support first molar occlusion. Two 4.2 mm OsseoSpeed EV implants were also placed in the first premolar positions. A 3.6 mm OsseoSpeed EV implant was planned for the maxillary right lateral incisor position. The Simplant software was used to plan the most suitable positions for the implants (Fig. 4). A Simplant Guide was ordered and used for the first drilling steps (Fig. 5). All implants were placed by hand with the guide removed. HealDesign EV was used dur- ing the healing phase (Fig. 6). After three months, Im- plant Pick-Ups EV were connected to the implants