Abstract
Implant placement in patients with cancer receiving high-dose antiresorptive medication (HDAR) is considered contraindicated. This prospective, feasibility study tested the hypothesis that dental implants can be placed in such patients by applying a staged implant placement protocol with submerged healing. Three groups of patients on HDAR were included as follows: group 1: patients who underwent tooth extraction, without the development of medication-related osteonecrosis of the jaws (MRONJ); group 2: patients with surgically treated MRONJ who had demonstrated clinical healing for at least 3months; group 3: patients with established MRONJ who was planned for surgical resection and simultaneous implant placement. A total of 49 implants were placed in 27 patients (group 1: 12, group 2: 7 and group 3: 8). HDAR included bisphosphonates and denosumab. The mean HDAR time was 25months (SD: ± 18.4, range 3-68months). An abutment operation was performed 4months following the implant placement (SD: ± 1.9, range 3-14months). All patients healed uneventfully. This study demonstrated that it is feasible to insert dental implants and perform an abutment surgery in patients with cancer on HDAR, without the development of MRONJ. gov Identifier: NCT04741906.
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