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Effect of electromagnetic field on bone regeneration around dental implants after immediate placement in the dog
Cássio do Nascimento1, João Paulo Mardegan Issa, Amaro Sérgio da Silva Mello
1Faculty of Dentistry of Ribeirão Preto, Department of Dental Materials and Prosthodontics, University of São Paulo, São Paulo, Brazil. cassionasc@forp.usp.br
Background:
Accelerating bone healing around dental implants can reduce the long-term period between the insertion of implants and functional rehabilitation.
Objective:
This in vivo study evaluated the effect of a constant electromagnetic field (CEF) on bone healing around dental implants in dogs.
Materials And Methods:
Eight dental implants were placed immediately after extraction of the first pre-molar and molar teeth on the mandible of two male dogs and divided into experimental (CEF) and control groups. A CEF at magnetic intensity of 0.8 mT with a pulse width of 25 μs and frequency of 1.5 MHz was applied on the implants for 20 min per day for 2 weeks.
Result And Conclusion:
After qualitative histological analysis, a small quantity of newly formed bone was observed in the gap between the implant surface and alveolar bone in both groups.
