GD559 - Evaluation of osseointegrated implants subjected to orthodontic force: Radiographic examination and resonance frequency analysis-GD559

GD559 - Article

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This study evaluated whether orthodontic forces affect the bone support and stability of osseointegrated dental implants used for skeletal anchorage. Eleven mandibular implants in eight adult patients (ages 30–50) were assessed. All implants had been placed in the posterior mandible and were fully osseointegrated before orthodontic loading began. Light, continuous forces of 50–300 g were applied using segmented orthodontic mechanics.<br /><br />Researchers compared findings at the start of loading (T1) and after 6 months (T2) using digital radiographs to measure peri-implant bone height and resonance frequency analysis (RFA) to assess implant stability quotient (ISQ). The mesial implant surface showed a statistically significant reduction in distance from the bone crest to the implant platform, indicating bone gain. The distal surface showed no significant change. Mean ISQ also increased significantly from T1 to T2, suggesting improved secondary stability.<br /><br />The pattern of bone gain was greater on the mesial side, likely because most implants experienced compression in that area due to the orthodontic mechanics used. The findings support the idea that light orthodontic forces do not harm osseointegration. Instead, they may stimulate bone formation in areas under compression and improve implant stability.<br /><br />The authors conclude that osseointegrated implants can be safely used for orthodontic anchorage when light, constant forces are applied and patients are carefully monitored.

Keywords

orthodontic forces

osseointegrated dental implants

skeletal anchorage

bone support

implant stability

resonance frequency analysis

implant osseointegration

peri-implant bone height

orthodontic loading

mandibular implants