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日本口腔インプラント学会誌
Vol. 29 (2016) No. 4 p. 236-242

記事言語:

http://doi.org/10.11237/jsoi.29.236

原著

Implant bodies and abutments produced using G4 and G5 were connected in combination. In each combined implant body and abutment, a strain gauge was attached to the most superior area of the test piece in the area of the collar. The strain in each strain gauge-attached test piece was measured in a universal testing machine at an inclination angle of 30°. The influence of the combination of test piece produced using G4 and G5 on the measured strain was evaluated, and the following conclusions were obtained. Although the maximum bending load for the abutment screw was larger with G5 than with G4, the amount of deflection of the abutment screw up to the maximum bending load showed no significant difference between G4 and G5. Up to loading of 450 N, no significant differences in the amount of strain were observed among any of the combinations of implant body and abutment. However, at a load of 500 N and above, the amount of strain in combined implant bodies and abutments showed that the amount of strain was lower with G5G5 than with G4G4 and G4G5. Therefore, it was suggested that the strain was reduced by improving the strength of the collar part of the implant.

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