RESULTS: Under central occlusion, most stress of the attachment of the denture with single abutment was concentrated at the edentulous ridge, the distal and mesial apex of the abutment.

• 结果：附着体义齿在正中咬合情况下，单基牙时，在该附着体义齿的缺牙区牙槽骨内、基牙的远中根尖和近中根尖处，可见应力集中；