抄録
We examined mobility of 8 bridges with the implant abutments by PERIOTEST®. ITI implant is K type, and the bridge is one piece. The average PERIOTEST® value of natural teeth before the bridge preparation is＋6.4 and that of implant is -2.4.The average value of the part of the implant abutment will increase ＋1.6 for one year after the bridge set from the result of the regression lines.
