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CAD/CAM - international magazine of digital dentistry

abutment fracture case report | 17CAD/CAM 2 2016 Figs. 5a–c:_a) Surgical stent; b) determination of the axial direction; c) drill sleeve was placed into the surgical stent. Fig. 6: Panoramic radiograph obtained after implant insertion at position #6. Fig. 7: Impression post in the surgical guide. Figs. 8a & b: a) Transfer of the implant position to mounted cast; b) implant analog in cast. Figs. 9a & b: a) Fabricated customised abutment; b) try-in of the abutment in the restoration. protocol (Fig. 6). Three months after implant place- ment, an impression post was positioned on the im- plantandthesurgicalstentwasplacedinthepatient’s mouth after the drill sleeve had been removed. The impression post was attached to the surgical stent usingmodelingresin(PATTERNRESIN,GC,Alsip,USA; Fig. 7). After this, the implant analog was attached to the impression post (Fig. 8a) and fixed in the cast using acrylic resin (Fig. 8b). A customised abutment fitting crown #13 was fabricated (Figs. 9a and b), positionedontheimplant#13andtorquedto35Ncm (Figs. 10a–c). Subsequently, the denture was inserted (Figs. 11a and b). Case 2 The patient (male, 61 years old and in very good gen- eral health) had a foul-mouth periodontal-implant and prosthodontic rehabilitation in 1998. After com- bined periodontal and implant treatment the man- dible was restored with single-fix crowns retained on natural teeth and implants (Fig. 12). The maxilla was restored (in the same way described above for the first case with a removable palatal free metal- ceramic bridge using double crowns, e.g. telescopic crowns, as attachments, retained on seven natural teeth (#14,13–23) and three implants (#13, 24, 25; RN, 10 x 4.1 mm, Straumann, Basel, Switzerland). Fig. 5a Fig. 5b Fig. 5c Fig. 6 Fig. 7 Fig. 8a Fig. 8b Fig. 9a Fig. 9b Fig. 2a 22016

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