The effect of pulsed magnetic field on bone healing and oseointegration of intraosseous implant

الملخص EN

Background : In most types of dental implant at least three month it was advisable before loading for allowing time for osseointegration to be formed.

Many researches and clinical studies have clearly shown a positive effect ofpulsed electromagnetic field on the rate of osseous repair and acceleration of bone fracture healing.

This in vivostudy was conducted to evaluate the effect of pulsed magnetic field on bone healing and oseointegration around dental implant.

Materials and Methods: Twenty four mini implant types (Senax MDI) were inserted in the tibia of 24 oryctologus cuniculus male rabbits, they were divided into two groups each group consist of 12 animals.

The 1st was control group for titanium implant without magnetic field, 2nd experimental group with (50 Gauss) pulsed magnetic field.

3 animals from each group were sacrificed at (2, 4, 6 and 8 weeks) period for histomorphological examination, eye pieces reticle and ruler were used for morphometrical studies, which were includes number of osteocytes, trabecullar and periosteal thickness in the bone threads, statistical analysis by t-test and stander error were performed to compare between the two groups.

Results : It was revealed that the pulsed magnetic field showed stimulatory effects on bone healing and reduced the time of oseointegration, bone formation and bone maturation around titanium implant in the experimental animals when compared with animals of the control group.

Conclusion : The use of pulsed magnetic field (50 Gauss) with titanium implant showed stimulating effect on bone healing and oseointegration, leading to shorter healing period than non magnetic field titanium implant.