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Paper ID S007 : Randomized controlled clinical trial of immediately loaded mandibular 2-implant overdentures retained by magnetic attachments: Masticatory performance

Posted Messages (Last post: Tue Mar 15 21:31:34 2016)
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Masayuki HIDESHIMA (Dental Clinic for Sleep Disorders, Tokyo Medical and Dental University )

Thank you for your clinically suggestive presentation.
The chairman has a question.

In a series of your mandibular 2-IOD research, immediate loaded implants showed more preferable results than conventional loaded ones in terms of QOL and masticatory performance.

However the average marginal bone loss of immediate loaded implants represented higher than that of conventional loaded ones, while significant difference was not showed between 2 groups.

Perhaps functional loading produces preferable results. Thus in order to secure healing period I consider delayed loaded implants (ex. loading 1~2 weeks after surgery) will show clinically preferable prognosis.

What is your opinion about that?

Thuy VO (Gerodontology and Oral Rehabilitation, Tokyo Medical and Dental University )

Dear Dr. Hideshima,

Thank you for you interesting question.

In my opinion, as for osseointegration, there is no statistically significant difference between immediate loading and delayed loading.

Bone healing period needs 3 months (mandible) or 6 months (maxilla), while the difference in time between immediate loading and delayed loading is only 2 weeks.

Therefore, I suppose that there will be no difference in marginal bone loss between 2 groups.

Additionally, I think it is also important that we adjust occlusal equilibration not to stress implant body.

This is just my superficial thinking. I would be very happy if I could get your ideas.

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