implants - international magazine of oral implantology

industry report I have deteriorated to 4.7 mm in the 2012 S2K guide- line.Thisalsoappliestodeviationsintheimplantaxes which have deteriorated from 4 degrees (2005) to 9.8 degrees (2012). In comparison, the deviations in the position of the implant tips decreased in the invitro studies cited (2005: 6 mm; 2012: 2.5 mm), as did the deviations in the implant axes (2005: 11 de- grees; 2012: 7.9 degrees). Thesedatashowthatallcurrenttypesof3-Dnav- igation surgery are considerably better than manual implant placement without 3-D diagnostics but do not represent a reliable basis for an exactly planned procedure as demanded by the increased expecta- tions placed on modern forms of medical therapy (Figs. 1a & b). There is a multitude of causes of these deviations: Firstly, as described in detail in these publications, only a minimal amount of in vivo and in vitro data is available. Secondly, there are numerous options for errorsduetoworkingstagesnotalwaysbeingcarried outconsistentlyandco-ordinately.Itisevenmoreim- portant that all those involved follow standardised procedures: The prosthodontist, surgeon, dental I 37implants3_2013 Dentist Dental technician Radiologist/Dentist Dentist Dentist Dental technician Dental technician Dentist Dental technician anatomic impression planning template image processing/diagnostics set implant positions transposition planning data drilling template implant insertion CT/radiograph model-scan (stl) Fig. 2_The procedures for navigation-guided implant placement using a template. Please contact Claudia Jahn c.jahn@oemus-media.de AD [PICTURE:©SUKIYAKI]