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Volume 36 , Issue 1
January/February 2016
Pages 9–18

Extensive Autogenous Bone Augmentation and Implantation in Patients Under Bisphosphonate Treatment: A 15-Case Series

Fouad Khoury, DMD, PhD/Herman Hidajat, DMD

PMID: 26697549
DOI: 10.11607/prd.2608

Patients under bisphosphonate (BP) treatment could be at high risk for implant treatment and bone augmentation due to the association between BPs and osteonecrosis of the jaws (BRONJ). Fifteen patients with BP intake in their anamnesis because of osteoporosis were treated with extensive bone grafting procedures and dental implants after selection according to their individual risk profile. In 47 sites, mandibular bone blocks were grafted according to the split bone block technique and 14 sinus floor elevations were performed. A total of 71 implants were placed and restored after 4 months. Most of the grafted bone healed as expected, and all implants could be placed as planned. Two patients showed incomplete healing of the grafted bone and were regrafted during implant placement. Two other patients showed limited soft tissue necrosis that was handled successfully with local treatments. One immediately loaded implant was lost. All in all, healing was uneventful and comparable to patients with no history of BP intake. At up to 6 years of follow-up, no major bone loss, BRONJ, infections, or peri-implantitis had occurred and all implants were still well osseointegrated clinically and radiologically. Depending on individual risk profile, bone augmentation could be successfully performed in patients taking low doses of BP treatment. More research and studies are needed.

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