CATEGORY 90 AUSTRALASIAN DENTIST Internal sinus lift with three unit bridge By Dr Stuart Kilner LINICAL Dr Stuart Kilner Patient History: Patient presented with two failing premolars & a defect from a failed and removed implant. Patient is 77 years and female with no relevant medical history or notifiable risk factors. Procedure: The premolars were extracted and the area allowed to heal for 5 weeks before implant treatment, following the Published Protocol (Fairbairn et al). This case was treated with an internal sinus lift at the time of placement for the most distal implant, alongside buccal veneer grafting & custom healing abutments to improve the outcome further. Conclusion: This case demonstrates the internal sinus lift protocol usedwithEthOss, Fig 1 Limited alveolar bone in the UL6 region at 5mm. Fig 2 Limited keratnised gingiva and frenal attachment. Fig 3 Implant placements. Fig 4 Buccal veneer and overlay EthOss bone grafting material. Fig 5 Primary closure. Fig 6 Radiograph taken intraoperatively after internal sinus lift UL6. Fig 7 Radiograph 10 weeks later – healed site and well integrated graft. Fig 8 Healed ridge 10 weeks post placement. Fig 9 Second stage surgery PEEK cylinders for custom healing abutments. using the DASK internal lift kit. The osseous condensation is visible at 10 weeks in the periapical radiograph, demonstrating nice dome and bone turnover to support the implant. This regenerative sinus lift with a material that is able to fully resorb and turnover into bone illustrates the benefits of small lifts with vital healthy true host bone.
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